Merge branch 'develop' of s416084/find-my-tutor-android into master

This reverts commit 264f752b20, reversing
changes made to 6498f2e58d.

.gitignore

@@ -1,6 +1,5 @@
 # Built application files
-*.apk
-*.ap_
+
 
 # Files for the ART/Dalvik VM
 *.dex
@@ -65,3 +64,4 @@ fastlane/Preview.html
 fastlane/screenshots
 fastlane/test_output
 fastlane/readme.md
+app/src/main/res/.DS_Store

.idea/encodings.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding">
-    <file url="file://$PROJECT_DIR$/app/src/main/java/com/uam/wmi/findmytutor/activity/MapFragment.java" charset="UTF-8" />
-  </component>
-</project>

app/build.gradle

@@ -10,10 +10,11 @@ android {
         applicationId "com.uam.wmi.findmytutor"
         minSdkVersion 22
         targetSdkVersion 27
-        versionCode 1
-        versionName "1.0"
+        versionCode 66
+        versionName "1.0.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
+        resConfigs "en", "pl"
     }
     buildTypes {
         release {
@@ -28,10 +29,18 @@ repositories {
         url 'http://dl.bintray.com/amulyakhare/maven'
     }
 }
+def acraVersion = '5.2.1'
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation "ch.acra:acra-http:$acraVersion"
+    implementation "ch.acra:acra-toast:$acraVersion"
+    implementation "ch.acra:acra-notification:$acraVersion"
+    implementation "ch.acra:acra-limiter:$acraVersion"
+
+
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation 'com.android.support:preference-v7:27.1.1'
+    implementation 'com.android.support:cardview-v7:27.1.1'
     implementation 'com.android.support:design:27.1.1'
     implementation 'com.android.support:support-v4:27.1.1'
     implementation 'com.android.support:support-vector-drawable:27.1.1'
@@ -42,19 +51,30 @@ dependencies {
     implementation 'com.google.code.gson:gson:2.8.5'
     implementation 'com.squareup.retrofit2:retrofit:2.4.0'
     implementation 'com.squareup.retrofit2:converter-gson:2.4.0'
-    implementation "io.swagger:swagger-annotations:1.5.15"
-    implementation "org.threeten:threetenbp:1.3.5"
-    implementation 'com.mapbox.mapboxsdk:mapbox-android-sdk:6.4.0'
+    implementation 'io.swagger:swagger-annotations:1.5.15'
+    implementation 'org.threeten:threetenbp:1.3.5'
+    implementation 'com.mapbox.mapboxsdk:mapbox-android-sdk:6.7.2'
+    implementation 'com.mapbox.mapboxsdk:mapbox-sdk-turf:4.0.0'
     implementation 'io.reactivex.rxjava2:rxjava:2.2.0'
     implementation 'com.android.support:recyclerview-v7:27.1.1'
     implementation 'io.reactivex.rxjava2:rxandroid:2.1.0'
-    implementation "com.jakewharton:butterknife:8.8.1"
+    implementation 'com.jakewharton:butterknife:8.8.1'
     annotationProcessor "com.jakewharton:butterknife-compiler:8.8.1"
-    implementation "com.jakewharton.retrofit:retrofit2-rxjava2-adapter:1.0.0"
-    implementation "com.squareup.okhttp3:okhttp:3.11.0"
-    implementation "com.squareup.okhttp3:okhttp-urlconnection:3.10.0"
-    implementation "com.squareup.okhttp3:logging-interceptor:3.11.0"
+    implementation 'com.jakewharton.retrofit:retrofit2-rxjava2-adapter:1.0.0'
+    implementation 'com.squareup.okhttp3:okhttp:3.11.0'
+    implementation 'com.squareup.okhttp3:okhttp-urlconnection:3.10.0'
+    implementation 'com.squareup.okhttp3:logging-interceptor:3.11.0'
     implementation 'com.amulyakhare:com.amulyakhare.textdrawable:1.0.1'
     implementation 'com.auth0.android:jwtdecode:1.1.1'
+    implementation 'com.annimon:stream:1.2.1'
+    implementation 'com.google.android.gms:play-services-location:16.0.0'
+    // FloatingBarMenu
+    implementation 'com.getbase:floatingactionbutton:1.10.1'
+    implementation 'org.apache.commons:commons-collections4:4.0'
+    implementation 'com.android.support:design:27.1.1'
 
+    // spinner loaders library
+    implementation 'com.github.ybq:Android-SpinKit:1.2.0'
+    // rx binding
+    implementation 'com.jakewharton.rxbinding:rxbinding:0.3.0'
 }

app/src/main/AndroidManifest.xml

@@ -4,22 +4,33 @@
     package="com.uam.wmi.findmytutor">
 
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_UPDATES" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS" />
+
+    <uses-feature android:name="android.hardware.location.gps" />
 
     <application
+        android:name=".FindMyTutor"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
+        android:theme="@style/AppTheme"
+        android:configChanges="locale"
+        tools:ignore="AllowBackup,GoogleAppIndexingWarning">
         <activity
             android:name=".activity.StartupActivity"
-            android:label="@string/title_activity_startup"
+            android:configChanges="keyboardHidden|orientation|screenSize"
             android:launchMode="singleInstance"
+            android:screenOrientation="portrait"
             android:theme="@style/AppTheme.NoActionBar">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -29,29 +40,45 @@
         </activity>
         <activity
             android:name=".activity.MapActivity"
-            android:label="@string/title_activity_main"
-            android:launchMode="singleTop" />
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:launchMode="singleTop"
+            android:screenOrientation="portrait"
+            android:windowSoftInputMode="adjustPan" />
         <activity
             android:name=".activity.LoginActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize"
             android:excludeFromRecents="true"
-            android:label="@string/title_activity_login"
             android:launchMode="singleTask"
-            android:noHistory="true" />
+            android:noHistory="true"
+            android:screenOrientation="portrait" />
         <activity
             android:name=".activity.SettingsActivity"
-            android:label="@string/title_activity_settings" />
-        <activity
-            android:name=".activity.SharingActivity"
-            android:label="@string/title_activity_sharing" />
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:screenOrientation="portrait" />
 
         <service
             android:name=".service.BackgroundLocalizationService"
-            android:exported="false"
-            android:launchMode="singleTop"
             android:enabled="true"
-            />
+            android:exported="false"
+            android:launchMode="singleTop" />
+
+        <activity
+            android:name=".activity.TutorTab"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:windowSoftInputMode="stateHidden|adjustPan"
+            android:screenOrientation="portrait"
+            android:theme="@style/AppTheme" />
+        <activity
+            android:name=".activity.WhiteList"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:screenOrientation="portrait"
+            android:theme="@style/AppTheme" />
+        <activity
+            android:name=".activity.BlackList"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:screenOrientation="portrait"
+            android:theme="@style/AppTheme" />
 
-        <!--<activity android:name=".activity.MapActivity" />-->
     </application>
 
 </manifest>

app/src/main/assets/building.geojson

@@ -0,0 +1,398 @@
+{
+  "features": [
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "Skrzydło B",
+        "longitude" : 52.466669,
+        "latitude" :  16.926624
+      },
+      "geometry": {
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+            ],
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+            ],
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+            ],
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+              52.466244
+            ],
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+            ],
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+            ],
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+            ],
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+            ],
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+              52.46671
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+        "type": "Polygon"
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+      "id": "41798cf663bc55c10e6c51c3fe174eda"
+    },
+    {
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+      "id": "7328c3c9dffd3e76be8d3dcef4f58ddc"
+    },
+    {
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+        "longitude" : 52.466559,
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+      },
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+        "longitude" : 52.4671021,
+        "latitude" :  16.927122
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+        "coordinates": [
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+        "type": "Polygon"
+      },
+      "id": "facdd5349991758b9ad99d4e123c91cc"
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+  ],
+  "type": "FeatureCollection"
+}

app/src/main/assets/wmi1floor.geojson

@@ -0,0 +1,727 @@
+{
+  "features": [
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "Pokoje profesorskie"
+      },
+      "geometry": {
+        "coordinates": [
+          [
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+        "type": "Polygon"
+      },
+      "id": "07f45cd94d45bb5ad0b6b285b0f6fbbb"
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "Skrzydło B"
+      },
+      "geometry": {
+        "coordinates": [
+          [
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+    {
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+              52.467073
+            ],
+            [
+              16.927104,
+              52.467081
+            ]
+          ]
+        ],
+        "type": "Polygon"
+      },
+      "id": "6f1db27a4df5a46f7a6913556b01effe"
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "Pokoje profesorskie"
+      },
+      "geometry": {
+        "coordinates": [
+          [
+            [
+              16.92677,
+              52.466683
+            ],
+            [
+              16.926961,
+              52.467026
+            ],
+            [
+              16.926887,
+              52.467041
+            ],
+            [
+              16.926695,
+              52.466699
+            ],
+            [
+              16.92677,
+              52.466683
+            ]
+          ]
+        ],
+        "type": "Polygon"
+      },
+      "id": "94f310dcaa6cee75d9e7800bf8d94155"
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "Biblioteka"
+      },
+      "geometry": {
+        "coordinates": [
+          [
+            [
+              16.926801,
+              52.467144
+            ],
+            [
+              16.926971,
+              52.467424
+            ],
+            [
+              16.926956,
+              52.46743
+            ],
+            [
+              16.926944,
+              52.467436
+            ],
+            [
+              16.92693,
+              52.467441
+            ],
+            [
+              16.926903,
+              52.467452
+            ],
+            [
+              16.926861,
+              52.467464
+            ],
+            [
+              16.926778,
+              52.467476
+            ],
+            [
+              16.926731,
+              52.467485
+            ],
+            [
+              16.926567,
+              52.467194
+            ],
+            [
+              16.926801,
+              52.467144
+            ]
+          ]
+        ],
+        "type": "Polygon"
+      },
+      "id": "aadab5775bdeb4eaf82c940255ddadd7"
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "Sale A"
+      },
+      "geometry": {
+        "coordinates": [
+          [
+            [
+              16.927082,
+              52.466492
+            ],
+            [
+              16.926999,
+              52.466509
+            ],
+            [
+              16.926771,
+              52.466109
+            ],
+            [
+              16.926857,
+              52.466088
+            ],
+            [
+              16.927082,
+              52.466492
+            ]
+          ]
+        ],
+        "type": "Polygon"
+      },
+      "id": "b39857ed605e5794fa6c9cdee5d7d6cf"
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "Pokoje profesorskie"
+      },
+      "geometry": {
+        "coordinates": [
+          [
+            [
+              16.926754,
+              52.467066
+            ],
+            [
+              16.926814,
+              52.467054
+            ],
+            [
+              16.926605,
+              52.466676
+            ],
+            [
+              16.926542,
+              52.46669
+            ],
+            [
+              16.926564,
+              52.466728
+            ],
+            [
+              16.926754,
+              52.467066
+            ]
+          ]
+        ],
+        "type": "Polygon"
+      },
+      "id": "b754d867fde3826e72fe8c243399ff26"
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "Sale A"
+      },
+      "geometry": {
+        "coordinates": [
+          [
+            [
+              16.927272,
+              52.46695
+            ],
+            [
+              16.927083,
+              52.466613
+            ],
+            [
+              16.927167,
+              52.466595
+            ],
+            [
+              16.92735,
+              52.466936
+            ],
+            [
+              16.927272,
+              52.46695
+            ]
+          ]
+        ],
+        "type": "Polygon"
+      },
+      "id": "c3726b2a2b3a589995fd3f17eecd1f53"
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "D3"
+      },
+      "geometry": {
+        "coordinates": [
+          [
+            [
+              16.92677,
+              52.466682
+            ],
+            [
+              16.926876,
+              52.466659
+            ],
+            [
+              16.926832,
+              52.46658
+            ],
+            [
+              16.926725,
+              52.466604
+            ],
+            [
+              16.92677,
+              52.466682
+            ]
+          ]
+        ],
+        "type": "Polygon"
+      },
+      "id": "c73d9bdbccc15d9907e24b8bb731118a"
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "Pokoje profesorskie"
+      },
+      "geometry": {
+        "coordinates": [
+          [
+            [
+              16.926324,
+              52.466282
+            ],
+            [
+              16.926503,
+              52.46661
+            ],
+            [
+              16.926579,
+              52.466595
+            ],
+            [
+              16.926398,
+              52.466268
+            ],
+            [
+              16.926324,
+              52.466282
+            ]
+          ]
+        ],
+        "type": "Polygon"
+      },
+      "id": "d54475cedfa0a866e13933c56bf35d76"
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "Sale A"
+      },
+      "geometry": {
+        "coordinates": [
+          [
+            [
+              16.927607,
+              52.466891
+            ],
+            [
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+              52.466562
+            ],
+            [
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+              52.466585
+            ],
+            [
+              16.927451,
+              52.466918
+            ],
+            [
+              16.927607,
+              52.466891
+            ]
+          ]
+        ],
+        "type": "Polygon"
+      },
+      "id": "d97989e446002de50bc8844d2d9cdf5c"
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "Winda"
+      },
+      "geometry": {
+        "coordinates": [
+          [
+            [
+              16.92669,
+              52.467141
+            ],
+            [
+              16.92666,
+              52.467089
+            ],
+            [
+              16.926755,
+              52.46707
+            ],
+            [
+              16.926786,
+              52.467121
+            ],
+            [
+              16.92669,
+              52.467141
+            ]
+          ]
+        ],
+        "type": "Polygon"
+      },
+      "id": "dfdba4ee1ee0c55193b8dd04f8b00f6c"
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "Skrzydło A"
+      },
+      "geometry": {
+        "coordinates": [
+          [
+            [
+              16.927606,
+              52.466891
+            ],
+            [
+              16.927339,
+              52.466562
+            ],
+            [
+              16.927242,
+              52.466585
+            ],
+            [
+              16.92718,
+              52.466482
+            ],
+            [
+              16.927232,
+              52.466473
+            ],
+            [
+              16.927025,
+              52.466105
+            ],
+            [
+              16.926924,
+              52.466126
+            ],
+            [
+              16.926896,
+              52.466078
+            ],
+            [
+              16.92677,
+              52.466108
+            ],
+            [
+              16.926998,
+              52.466509
+            ],
+            [
+              16.927041,
+              52.466537
+            ],
+            [
+              16.927075,
+              52.466595
+            ],
+            [
+              16.927082,
+              52.466614
+            ],
+            [
+              16.927277,
+              52.46696
+            ],
+            [
+              16.927358,
+              52.466942
+            ],
+            [
+              16.927354,
+              52.466935
+            ],
+            [
+              16.92745,
+              52.466918
+            ],
+            [
+              16.927606,
+              52.466891
+            ]
+          ]
+        ],
+        "type": "Polygon"
+      },
+      "id": "faaa569e3642a741f70a77071f19f131"
+    }
+  ],
+  "type": "FeatureCollection"
+}

app/src/main/java/com/uam/wmi/findmytutor/FindMyTutor.java

@@ -0,0 +1,95 @@
+package com.uam.wmi.findmytutor;
+
+import android.app.Application;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.res.Configuration;
+
+import com.uam.wmi.findmytutor.utils.Const;
+import com.uam.wmi.findmytutor.utils.MapUtils;
+import com.uam.wmi.findmytutor.utils.PrefUtils;
+
+import org.acra.ACRA;
+import org.acra.annotation.AcraLimiter;
+import org.acra.annotation.AcraNotification;
+import org.acra.config.CoreConfigurationBuilder;
+import org.acra.config.HttpSenderConfigurationBuilder;
+import org.acra.config.ToastConfigurationBuilder;
+import org.acra.data.StringFormat;
+import org.acra.sender.HttpSender;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.acra.ReportField.ANDROID_VERSION;
+import static org.acra.ReportField.BUILD_CONFIG;
+import static org.acra.ReportField.CUSTOM_DATA;
+import static org.acra.ReportField.LOGCAT;
+import static org.acra.ReportField.PHONE_MODEL;
+import static org.acra.ReportField.REPORT_ID;
+import static org.acra.ReportField.SHARED_PREFERENCES;
+import static org.acra.ReportField.STACK_TRACE;
+import static org.acra.ReportField.USER_APP_START_DATE;
+import static org.acra.ReportField.USER_CRASH_DATE;
+
+
+@AcraNotification(resText = R.string.notification_text,
+        resTitle = R.string.notification_title,
+        resChannelName = R.string.notification_channel)
+@AcraLimiter(failedReportLimit = 2)
+public class FindMyTutor extends Application {
+
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(base);
+        //super.attachBaseContext(LocaleHelper.onAttach(base));
+
+        // ACRA core
+        CoreConfigurationBuilder builder = new CoreConfigurationBuilder(this)
+                .setBuildConfigClass(BuildConfig.class)
+                .setReportContent(REPORT_ID, PHONE_MODEL, LOGCAT, USER_APP_START_DATE, USER_CRASH_DATE, SHARED_PREFERENCES,
+                        ANDROID_VERSION, STACK_TRACE, CUSTOM_DATA, BUILD_CONFIG)
+                .setReportFormat(StringFormat.JSON);
+
+        // Toast for user
+        builder.setBuildConfigClass(BuildConfig.class)
+                .setReportFormat(StringFormat.JSON);
+        builder.getPluginConfigurationBuilder(
+                ToastConfigurationBuilder.class
+        ).setResText(R.string.acra_toast_text);
+
+
+        SharedPreferences sharedPreferences = base.getSharedPreferences("com.uam.wmi.findmytutor_preferences", Context.MODE_PRIVATE);
+        Map header = new HashMap();
+        String token = sharedPreferences.getString("API_KEY", "KEY_EMPTY");
+        header.put("Authorization", "Bearer " + token);
+
+        // Api POST
+        builder.getPluginConfigurationBuilder(
+                HttpSenderConfigurationBuilder.class
+//        ).setUri("http://192.168.0.15:3000/api/acra")
+        ).setUri(Const.BASE_URL + "api/Feedback/autoFeedback")
+                .setHttpMethod(HttpSender.Method.POST)
+                .setHttpHeaders(header)
+                .setEnabled(true);
+
+        ACRA.init(this, builder);
+        //Shared preferences
+        ACRA.getErrorReporter().putCustomData("USER_ID", sharedPreferences.getString("USER_ID", "no user id"));
+    }
+
+    // Called by the system when the device configuration changes while your component is running.
+    // Overriding this method is totally optional!
+    @Override
+    public void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+    }
+
+    // This is called when the overall system is running low on memory,
+    // and would like actively running processes to tighten their belts.
+    // Overriding this method is totally optional!
+    @Override
+    public void onLowMemory() {
+        super.onLowMemory();
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/activity/AppCompatPreferenceActivity.java

@@ -1,5 +1,6 @@
 package com.uam.wmi.findmytutor.activity;
 
+import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.os.Bundle;
@@ -13,6 +14,8 @@ import android.view.MenuInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
+import com.uam.wmi.findmytutor.utils.LocaleHelper;
+
 /**
  * A {@link android.preference.PreferenceActivity} which implements and proxies the necessary calls
  * to be used with AppCompat.

app/src/main/java/com/uam/wmi/findmytutor/activity/BaseActivity.java

@@ -1,79 +1,257 @@
 package com.uam.wmi.findmytutor.activity;
 
+import android.Manifest;
+import android.annotation.SuppressLint;
 import android.app.Fragment;
 import android.app.FragmentTransaction;
+import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
+import android.graphics.drawable.ColorDrawable;
 import android.os.Build;
+import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.design.widget.BottomNavigationView;
+import android.support.design.widget.NavigationView;
 import android.support.v4.app.ActivityCompat;
 import android.support.v4.content.ContextCompat;
 import android.support.v4.widget.DrawerLayout;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.ActionBarDrawerToggle;
 import android.support.v7.app.AppCompatActivity;
-import android.os.Bundle;
 import android.support.v7.widget.SearchView;
 import android.support.v7.widget.Toolbar;
-import android.text.TextUtils;
 import android.util.Log;
+import android.view.Gravity;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.FrameLayout;
-import android.widget.ListView;
+import android.widget.LinearLayout;
+import android.widget.PopupWindow;
 import android.widget.Toast;
 
 import com.uam.wmi.findmytutor.R;
 import com.uam.wmi.findmytutor.service.BackgroundLocalizationService;
+import com.uam.wmi.findmytutor.utils.ActiveFragment;
+import com.uam.wmi.findmytutor.utils.FeedbackUtils;
+import com.uam.wmi.findmytutor.utils.LocaleHelper;
+import com.uam.wmi.findmytutor.utils.LocaleUtils;
+import com.uam.wmi.findmytutor.utils.MapUtils;
 import com.uam.wmi.findmytutor.utils.PrefUtils;
+import com.uam.wmi.findmytutor.utils.RxSearchObservable;
+
 
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+import io.reactivex.Observable;
+import io.reactivex.ObservableSource;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.functions.Function;
+import io.reactivex.schedulers.Schedulers;
+
+
+import static com.mapbox.mapboxsdk.Mapbox.getApplicationContext;
+import static com.uam.wmi.findmytutor.utils.Const.defaultMapZoom;
+import static com.uam.wmi.findmytutor.utils.Const.onlineBackgroundLocationInterval;
+import static com.uam.wmi.findmytutor.utils.Const.searchMapZoom;
+import static com.uam.wmi.findmytutor.utils.PrefUtils.storeBackgroundLocationStatus;
+
 
 public abstract class BaseActivity
         extends AppCompatActivity
         implements BottomNavigationView.OnNavigationItemSelectedListener {
 
-    protected BottomNavigationView navigationView;
-
-    protected Toolbar toolbar;
-
+    private final static int REQUEST_CODE_ASK_PERMISSIONS = 1;
+    private static final String[] REQUIRED_SDK_PERMISSIONS = new String[]{
+            Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_LOCATION_EXTRA_COMMANDS};
     public DrawerLayout drawerLayout;
+    protected BottomNavigationView navigationView;
+    protected NavigationView drawerNavigationView;
+    protected DrawerLayout sideDrawer;
+    protected Toolbar toolbar;
+    protected boolean isTutor;
+
+    String tag = getClass().getName();
+
+    protected FeedbackUtils feedbackUtils;
+
     private ActionBarDrawerToggle actionBarDrawerToggle;
-    // 4 search
-    private ListView listView;
-    private ArrayList<String> stringArrayList;
     private SharingFragment sharingFragment;
 
-    private static final int REQUEST_PERMISSIONS = 100;
-    boolean boolean_permission;
-    private boolean isTutor;
-
-
+    private Fragment userListFragment;
+    public ActiveFragment activeFragment = ActiveFragment.NONE;
+    private Fragment activeBottomMenu  = null;
+    public SearchView searchView;
+    public MenuItem infoMenuItem;
 
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(LocaleHelper.onAttach(base));
+    }
 
+    @SuppressLint("CheckResult")
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(getContentViewId());
 
+        drawerNavigationView = findViewById(R.id.nav_view);
+        sideDrawer = findViewById(R.id.activity_container);
+        feedbackUtils = new FeedbackUtils(BaseActivity.this);
+
+        drawerNavigationView.setNavigationItemSelectedListener(
+                item -> {
+                    String itemName = (String) item.getTitle();
+                    Intent launchIntent;
+                    if (itemName.equals(getResources().getString(R.string.navigation_item_whitelist))) {
+                        launchIntent = new Intent(getApplicationContext(), WhiteList.class);
+                        startActivity(launchIntent);
+                     } else if (itemName.equals(getResources().getString(R.string.navigation_item_blacklist))) {
+                        launchIntent = new Intent(getApplicationContext(),BlackList.class);
+                        startActivity(launchIntent);
+
+                     } else if (itemName.equals(getResources().getString(R.string.navigation_item_profile)))  {
+
+                        launchIntent = new Intent(getApplicationContext(), TutorTab.class);
+                        startActivity(launchIntent);
+                     } else if (itemName.equals(getResources().getString(R.string.navigation_item_settings))) {
+                        launchIntent = new Intent(getApplicationContext(), SettingsActivity.class);
+                        startActivity(launchIntent);
+
+                     } else if (itemName.equals(getResources().getString(R.string.navigation_item_logout))) {
+                        if(PrefUtils.isBackgroundLocationServiceRunning(getApplicationContext()))                        {
+                            stopBackgroundLocalizationTask();
+                        }
+                        logout();
+
+
+                     } else if (itemName.equals(getResources().getString(R.string.navigation_item_feedback))) {
+                         feedbackUtils.showNoteDialog("FEEDBACK");
+
+                         /*showNoteDialog(BaseActivity.this, );*/
+                     } else if (itemName.equals(getResources().getString(R.string.navigation_item_bug))) {
+                         feedbackUtils.showNoteDialog("BUG REPORT");
+                         /*showNoteDialog(BaseActivity.this, "BUG REPORT");*/
+                     }
+
+                    sideDrawer.closeDrawers();
+
+                    return true;
+                }
+        );
+
         navigationView = findViewById(R.id.navigation);
         navigationView.setOnNavigationItemSelectedListener(this);
         sharingFragment = new SharingFragment();
+        userListFragment = new UsersListFragment();
 
         isTutor = PrefUtils.getIsTutor(getApplicationContext());
+
         if (!isTutor) {
             navigationView.findViewById(R.id.nav_profile).setVisibility(View.GONE);
+            drawerNavigationView.getMenu().setGroupVisible(R.id.drawer_group_tutor, false);
         }
+    }
 
+
+    protected void logout(){
+        storeBackgroundLocationStatus(getApplication(), false);
+        PrefUtils.storeIsLoggedIn(getApplicationContext(), false);
+        PrefUtils.setBatteryExlusionInfoStatus(getApplicationContext(), true);
+
+        Intent i = getBaseContext().getPackageManager()
+                .getLaunchIntentForPackage(getBaseContext().getPackageName());
+        if (i != null) {
+            i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+        }
+        startActivity(i);
+        finish();
+    }
+
+    protected void checkPermissions() {
+        final List<String> missingPermissions = new ArrayList<String>();
+
+        for (final String permission : REQUIRED_SDK_PERMISSIONS) {
+            final int result = ContextCompat.checkSelfPermission(this, permission);
+            if (result != PackageManager.PERMISSION_GRANTED) {
+                missingPermissions.add(permission);
+            }
+        }
+        if (!missingPermissions.isEmpty()) {
+            // request all missing permissions
+            final String[] permissions = missingPermissions
+                    .toArray(new String[missingPermissions.size()]);
+            ActivityCompat.requestPermissions(this, permissions, REQUEST_CODE_ASK_PERMISSIONS);
+        } else {
+            final int[] grantResults = new int[REQUIRED_SDK_PERMISSIONS.length];
+            Arrays.fill(grantResults, PackageManager.PERMISSION_GRANTED);
+            onRequestPermissionsResult(REQUEST_CODE_ASK_PERMISSIONS, REQUIRED_SDK_PERMISSIONS,
+                    grantResults);
+        }
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[],
+                                           @NonNull int[] grantResults) {
+        switch (requestCode) {
+            case REQUEST_CODE_ASK_PERMISSIONS:
+                for (int index = permissions.length - 1; index >= 0; --index) {
+                    if (grantResults[index] != PackageManager.PERMISSION_GRANTED) {
+                        // exit the app if one permission is not granted
+                        Toast.makeText(this, "Required permission '" + permissions[index]
+                                + "' not granted, exiting", Toast.LENGTH_LONG).show();
+                        finish();
+                        return;
+                    }
+                }
+
+                break;
+        }
+    }
+
+    public void stopBackgroundLocalizationTask() {
+        PrefUtils.storeEnableSharingLocalization(getApplicationContext(), false);
+
+        Intent stopIntent = new Intent(getApplicationContext(), BackgroundLocalizationService.class);
+        stopIntent.putExtra("request_stop", true);
+
+        stopService(stopIntent);
+
+    }
+
+    public void startBackgroundLocalizationTask() {
+        checkPermissions();
+        PrefUtils.storeEnableSharingLocalization(getApplicationContext(), true);
+
+        Intent startIntent = new Intent(getApplicationContext(), BackgroundLocalizationService.class);
+        startIntent.putExtra("notify_interval", onlineBackgroundLocationInterval);
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            startForegroundService(startIntent);
+        } else {
+            startService(startIntent);
+        }
+    }
+
+    public void handleBackgroundTaskLifeCycle() {
+        Boolean shouldServiceRun = PrefUtils.isEnableSharingLocalization(getApplicationContext()) && isTutor;
+
+        if (shouldServiceRun) {
+            startBackgroundLocalizationTask();
+        } else {
+            stopBackgroundLocalizationTask();
+        }
     }
 
     @Override
     public void setContentView(int layoutResID) {
         DrawerLayout fullView = (DrawerLayout) getLayoutInflater().inflate(R.layout.base_activity, null);
-        FrameLayout activityContainer = (FrameLayout) fullView.findViewById(R.id.activity_content);
+        FrameLayout activityContainer = fullView.findViewById(R.id.activity_content);
         getLayoutInflater().inflate(layoutResID, activityContainer, true);
         super.setContentView(fullView);
 
@@ -81,14 +259,13 @@ public abstract class BaseActivity
     }
 
     private void initToolbar() {
-        toolbar = (Toolbar) findViewById(R.id.toolbar);
+        toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
     }
 
-
     private void setUpNav() {
 
-        drawerLayout = (DrawerLayout) findViewById(R.id.activity_container);
+        drawerLayout = findViewById(R.id.activity_container);
         actionBarDrawerToggle = new ActionBarDrawerToggle(this, drawerLayout, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
         drawerLayout.addDrawerListener(actionBarDrawerToggle);
 
@@ -108,41 +285,6 @@ public abstract class BaseActivity
         setUpNav();
 
         actionBarDrawerToggle.syncState();
-        Log.e("erororr", "guewa!" + isTutor);
-
-//        if (isTutor && getContentViewId() == R.layout.activity_map) {
-            if (isTutor) {
-            Log.e("erororr", "taaaaaak!");
-            fn_permission();
-        }
-    }
-
-        private void fn_permission() {
-        if ((ContextCompat.checkSelfPermission(getApplicationContext(), android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED)) {
-
-            if ((ActivityCompat.shouldShowRequestPermissionRationale(BaseActivity.this, android.Manifest.permission.ACCESS_FINE_LOCATION))) {
-
-            } else {
-                ActivityCompat.requestPermissions(BaseActivity.this, new String[]{android.Manifest.permission.ACCESS_FINE_LOCATION
-
-                        },
-                        REQUEST_PERMISSIONS);
-            }
-        } else {
-
-            if (isTutor) {
-                Intent intent = new Intent(getApplicationContext(), BackgroundLocalizationService.class);
-
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-                    startForegroundService(intent);
-                } else {
-                    startService(intent);
-                }
-
-            } else {
-                Toast.makeText(getApplicationContext(), "Please enable the gps", Toast.LENGTH_SHORT).show();
-            }
-        }
     }
 
     @Override
@@ -151,54 +293,91 @@ public abstract class BaseActivity
         actionBarDrawerToggle.onConfigurationChanged(newConfig);
     }
 
+    @SuppressLint("CheckResult")
     @Override
-    public boolean onCreateOptionsMenu( Menu menu) {
-        getMenuInflater().inflate( R.menu.menu_main, menu);
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.menu_main, menu);
+        infoMenuItem = menu.findItem(R.id.action_info);
 
-        MenuItem myActionMenuItem = menu.findItem( R.id.action_search);
-        final SearchView searchView = (SearchView) myActionMenuItem.getActionView();
-        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
-            @Override
-            public boolean onQueryTextSubmit(String query) {
-                return false;
+        MenuItem myActionMenuItem = menu.findItem(R.id.action_search);
+        searchView = (SearchView) myActionMenuItem.getActionView();
+
+        searchView.setOnQueryTextFocusChangeListener((v, hasFocus) -> {
+            if (!hasFocus && activeFragment.equals(ActiveFragment.NONE)) {
+                restoreMapMarkers();
+                adjustMapToSearch(defaultMapZoom);
             }
 
-            @Override
-            public boolean onQueryTextChange(String newText) {
-                if (TextUtils.isEmpty(newText)) {
-                    //adapter.filter("");
-                    //listView.clearTextFilter();
-                } else {
-                    //adapter.filter(newText);
-                }
-                return true;
+            if (!hasFocus && activeFragment.equals(ActiveFragment.USER_LIST)) {
+                ((UsersListFragment) userListFragment).restoreUsersList();
+            }
+
+            if(hasFocus && activeFragment.equals(ActiveFragment.NONE)){
+               adjustMapToSearch(searchMapZoom);
             }
         });
 
+        RxSearchObservable.fromView(searchView)
+                .skip(0)
+                .map(String::toLowerCase)
+                .filter(t -> !t.isEmpty())
+                .debounce(250, TimeUnit.MILLISECONDS)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .switchMap((Function<String, ObservableSource<String>>) Observable::just)
+                .subscribe(this::executeSearch);
+
         return true;
     }
 
+    private void executeSearch(String input) {
+        if (activeFragment.equals(ActiveFragment.USER_LIST)) {
+            ((UsersListFragment) userListFragment).searchUser(input);
+
+        } else if (activeFragment.equals(ActiveFragment.NONE)) {
+            searchUser(input);
+        }
+    }
+
+    abstract void searchUser(String textToSearch);
+
+    abstract void restoreMapMarkers();
+
+    abstract void adjustMapToSearch(Integer zoom);
+
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         if (actionBarDrawerToggle.onOptionsItemSelected(item)) {
             return true;
         }
-        return super.onOptionsItemSelected(item);
-    }
 
-    @Override
-    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
-        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
-
-        switch (requestCode) {
-            case REQUEST_PERMISSIONS: {
-                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-                    boolean_permission = true;
-                } else {
-                    Toast.makeText(getApplicationContext(), "Please allow the permission", Toast.LENGTH_LONG).show();
-                }
+        if (item.getItemId()==R.id.action_info){
+            int layoutID;
+            switch (activeFragment){
+                case SHARED_PREFERENCES:
+                    layoutID = R.layout.info_popup_sharing_tab;
+                    break;
+                case USER_LIST:
+                    layoutID = R.layout.info_popup_userlist;
+                    break;
+                default:
+                    layoutID = R.layout.info_popup_map;
             }
+
+            View popupView = getLayoutInflater().inflate(layoutID,null);
+
+            PopupWindow popupWindow = new PopupWindow(popupView,
+                    LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
+            // If the PopupWindow should be focusable
+            popupWindow.setFocusable(true);
+            // If you need the PopupWindow to dismiss when when touched outside
+            popupWindow.setBackgroundDrawable(new ColorDrawable());
+            // Get the View's(the one that was clicked in the Fragment) location
+            View anchorView=  getWindow().getDecorView().findViewById(android.R.id.content);
+            popupWindow.showAtLocation(anchorView,Gravity.TOP|Gravity.END, 0, 0);
         }
+
+        return super.onOptionsItemSelected(item);
     }
 
     @Override
@@ -210,47 +389,60 @@ public abstract class BaseActivity
     @Override
     public void onPause() {
         super.onPause();
-        overridePendingTransition(0,0);
-    }
-
-    private void setFragment(Fragment fragment) {
-        FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
-        fragmentTransaction.replace(R.id.activity_content, fragment);
-        fragmentTransaction.commit();
+        overridePendingTransition(0, 0);
     }
 
     private void removeFragment(Fragment fragment) {
         FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
-        fragmentTransaction.remove(fragment);
+        fragmentTransaction.hide(fragment);
         fragmentTransaction.commit();
     }
 
     @Override
     public boolean onNavigationItemSelected(@NonNull MenuItem item) {
 
-
-
         navigationView.postDelayed(() -> {
             int itemId = item.getItemId();
+
             if (itemId == R.id.nav_map) {
                 removeFragment(sharingFragment);
-
-                // startActivity(new Intent(this, MapActivity.class));
+                removeFragment(userListFragment);
+                activeFragment = ActiveFragment.NONE;
+                findViewById(R.id.action_search).setVisibility(View.VISIBLE);
             } else if (itemId == R.id.nav_profile) {
-                // startActivity(new Intent(this, ProfileActivity.class));
-                setFragment(sharingFragment);
-
-            } else if (itemId == R.id.nav_notif) {
-                //startActivity(new Intent(this, NotificationsActivity.class));
-                setFragment(sharingFragment);
+                loadUserSettingsFragment();
+                findViewById(R.id.action_search).setVisibility(View.GONE);
+            } else if (itemId == R.id.nav_user_list) {
+                loadUserListFragment();
+                findViewById(R.id.action_search).setVisibility(View.VISIBLE);
             }
-            //finish();
+            selectBottomNavigationBarItem(itemId);
         }, 300);
 
         return true;
     }
 
-    private void updateNavigationBarState() {
+    private void loadUserSettingsFragment() {
+        activeFragment = ActiveFragment.SHARED_PREFERENCES;
+        sharingFragment = SharingFragment.newInstance();
+        FragmentTransaction ft = getFragmentManager().beginTransaction();
+        ft.replace(R.id.activity_content, sharingFragment);
+        //ft.addToBackStack(null);
+        ft.commit();
+    }
+
+    private void loadUserListFragment() {
+        activeFragment = ActiveFragment.USER_LIST;
+
+        userListFragment = UsersListFragment.newInstance();
+        FragmentTransaction ft = getFragmentManager().beginTransaction();
+        ft.replace(R.id.activity_content, userListFragment);
+        //ft.addToBackStack(null);
+        ft.commit();
+
+    }
+
+    public void updateNavigationBarState() {
         int actionId = getNavigationMenuItemId();
         selectBottomNavigationBarItem(actionId);
     }
@@ -261,6 +453,9 @@ public abstract class BaseActivity
     }
 
     abstract int getNavigationMenuItemId();
-
     abstract int getContentViewId();
+
+
+
+
 }

app/src/main/java/com/uam/wmi/findmytutor/activity/BlackList.java

@@ -0,0 +1,370 @@
+package com.uam.wmi.findmytutor.activity;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.graphics.drawable.ColorDrawable;
+import android.os.Bundle;
+import android.support.design.widget.CoordinatorLayout;
+import android.support.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.DefaultItemAnimator;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.Toolbar;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.Button;
+import android.widget.CompoundButton;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.PopupWindow;
+import android.widget.Switch;
+import android.widget.TextView;
+import android.widget.Toast;
+import android.widget.ToggleButton;
+
+import com.github.ybq.android.spinkit.SpinKitView;
+import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
+import com.mapbox.geojson.Point;
+import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.adapters.BlackListAdapter;
+import com.uam.wmi.findmytutor.model.IsUsingListBool;
+import com.uam.wmi.findmytutor.model.PredefinedCoordViewModel;
+import com.uam.wmi.findmytutor.model.StudentIdModel;
+import com.uam.wmi.findmytutor.model.User;
+import com.uam.wmi.findmytutor.model.UserResponseModel;
+import com.uam.wmi.findmytutor.network.ApiClient;
+import com.uam.wmi.findmytutor.service.PredefinedStatusesService;
+import com.uam.wmi.findmytutor.service.UserService;
+import com.uam.wmi.findmytutor.utils.LocaleHelper;
+import com.uam.wmi.findmytutor.utils.MyDividerItemDecoration;
+import com.uam.wmi.findmytutor.utils.PrefUtils;
+import com.uam.wmi.findmytutor.utils.RecyclerTouchListener;
+import com.uam.wmi.findmytutor.utils.RestApiHelper;
+import com.uam.wmi.findmytutor.utils.SharingLevel;
+import com.uam.wmi.findmytutor.utils.WrapContentLinearLayoutManager;
+
+import java.text.Collator;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Locale;
+import java.util.Set;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import io.reactivex.Observable;
+import io.reactivex.ObservableSource;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.disposables.Disposable;
+import io.reactivex.functions.Function;
+import io.reactivex.observers.DisposableObserver;
+import io.reactivex.observers.DisposableSingleObserver;
+import io.reactivex.schedulers.Schedulers;
+import okhttp3.ResponseBody;
+
+public class BlackList extends AppCompatActivity {
+
+    private CompositeDisposable disposable = new CompositeDisposable();
+    private UserService userService;
+    private boolean didFetched = false;
+    private String tutorId;
+
+    @BindView(R.id.recycler_view_blacklist)
+    RecyclerView recyclerView;
+    @BindView(R.id.black_list_empty_text_view)
+    TextView noNotesView;
+    @BindView(R.id.switch_blacklist_toggle)
+    Switch aSwitch;
+    @BindView(R.id.add_to_black_list_fab)
+    FloatingActionButton addToBlackListFab;
+    @BindView(R.id.loader)
+    SpinKitView loader;
+
+
+    private Integer prevSize;
+    private BlackListAdapter mAdapter;
+    private List<User> blacklistedUsers = new ArrayList<>();
+    private Collator plCollator = Collator.getInstance(Locale.forLanguageTag("pl-PL"));
+
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(LocaleHelper.onAttach(base));
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
+        setContentView(R.layout.activity_black_list);
+        ButterKnife.bind(this);
+
+        tutorId = PrefUtils.getUserId(getApplicationContext());
+        userService = ApiClient.getClient(getApplicationContext())
+                .create(UserService.class);
+
+        if (PrefUtils.isBlackListing(this)){
+            aSwitch.setText(getString(R.string.action_black_list) + " " +getString(R.string.on));
+            aSwitch.setChecked(true);
+            handleChangeRequest(true);
+        }else{
+            aSwitch.setText(getString(R.string.action_black_list) + " " +getString(R.string.off) );
+            aSwitch.setChecked(false);
+            handleChangeRequest(false);
+        }
+
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        toolbar.setTitle(getString(R.string.activity_title_blacklist));
+        setSupportActionBar(toolbar);
+
+        mAdapter = new BlackListAdapter(this, blacklistedUsers);
+        recyclerView.setLayoutManager(new WrapContentLinearLayoutManager(getApplicationContext()));
+        recyclerView.setItemAnimator(new DefaultItemAnimator());
+        recyclerView.addItemDecoration(new MyDividerItemDecoration(this, LinearLayoutManager.VERTICAL, 16));
+        recyclerView.setAdapter(mAdapter);
+        noNotesView.setVisibility(View.GONE);
+
+        fetchBlackListedUsers();
+        /**
+         * On long press on RecyclerView item, open alert dialog
+         * with options to choose
+         * Edit and Delete
+         * */
+        recyclerView.addOnItemTouchListener(new RecyclerTouchListener(this,
+                recyclerView, new RecyclerTouchListener.ClickListener() {
+            @Override
+            public void onClick(View view, final int position) {
+            }
+
+            @Override
+            public void onLongClick(View view, int position) {
+            }
+        }));
+
+        addToBlackListFab.setOnClickListener(this::showFabDialog);
+        handleSwitch();
+    }
+
+    private Observable<List<String>> getListOfBlacklistedUsers(String userId) {
+        return  userService.getTutorBlacklistedByID(userId)
+                .toObservable()
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread());
+    }
+
+    private Observable<User> getUserObservable(String userId) {
+        return userService
+                .getUserById(userId)
+                .toObservable()
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread());
+    }
+
+    private void fetchBlackListedUsers() {
+        disposable.add(getListOfBlacklistedUsers(tutorId)
+                .doOnSubscribe(this::handleDoOnSubscribe)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .flatMap(Observable::fromIterable)
+                .flatMap(this::getUserObservable)
+                .subscribe(user ->  blacklistedUsers.add(user), this::handleError,this::handleComplete));
+    }
+
+    private void handleDoOnSubscribe(Disposable disposable) {
+        prevSize = blacklistedUsers.size();
+        blacklistedUsers.clear();
+        didFetched = false;
+    }
+
+    private void handleComplete() {
+        Collections.sort(blacklistedUsers, this::sortByUserName);
+        didFetched = true;
+        refreshUI();
+    }
+    private void handleError(Throwable e){
+        showError(e);
+        didFetched = false;
+    }
+
+    private void refreshUI(){
+        toggleEmptyNotes();
+        mAdapter.notifyItemRangeInserted(prevSize, blacklistedUsers.size() - prevSize);
+        mAdapter.notifyDataSetChanged();
+    }
+
+    private int sortByUserName(User t1, User t2) {
+        return plCollator.compare(t1.getLastName(), t2.getLastName());
+    }
+
+    private void showFabDialog(View v){
+        LayoutInflater layoutInflaterAndroid = LayoutInflater.from(getApplicationContext());
+        @SuppressLint("InflateParams") View view = layoutInflaterAndroid.inflate(R.layout.black_list_fab_modal, null);
+        AlertDialog.Builder alertDialogBuilderUserInput = new android.support.v7.app.AlertDialog.Builder(this);
+
+        alertDialogBuilderUserInput.setView(view).setPositiveButton(getApplicationContext().getString(R.string.modal_location_send), null);
+
+        alertDialogBuilderUserInput
+                .setPositiveButton(R.string.add, null)
+                .setNegativeButton(R.string.cancel, null);
+
+        final AlertDialog alertDialog = alertDialogBuilderUserInput.create();
+        alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
+
+        EditText modalUserInput = view.findViewById(R.id.black_list_modal_input);
+
+        alertDialog.setOnShowListener(dialogInterface -> {
+            Button sendButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
+
+            Button dismissButton = alertDialog.getButton(AlertDialog.BUTTON_NEGATIVE);
+
+            dismissButton.setOnClickListener(view1 -> alertDialog.dismiss());
+
+            sendButton.setOnClickListener(view1 -> {
+                String body = modalUserInput.getText().toString();
+
+                if (TextUtils.isEmpty(body)) {
+                    Toast.makeText(getApplicationContext(), R.string.can_not_be_empty, Toast.LENGTH_SHORT).show();
+                    modalUserInput.requestFocus();
+                } else {
+                    sendUserToBlacklist(body);
+                    alertDialog.dismiss();
+                }
+            });
+        });
+
+        alertDialog.show();
+    }
+
+    private void sendUserToBlacklist(String body) {
+        StudentIdModel studentIdModel = new StudentIdModel(body);
+        disposable.add(
+                userService.addStudentToBlacklist(PrefUtils.getUserId(getApplicationContext()), studentIdModel)
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(this::handleAddUser,this::showError)
+        );
+    }
+
+    private void handleAddUser(User user) {
+        Toast.makeText(this, R.string.add_user_to_list, Snackbar.LENGTH_LONG).show();
+        blacklistedUsers.clear();
+        fetchBlackListedUsers();
+    }
+
+    private void showError(Throwable e) {
+        String message;
+
+        if (e instanceof HttpException) {
+            ResponseBody responseBody = ((HttpException) e).response().errorBody();
+            message = RestApiHelper.getErrorMessage(responseBody);
+            if (((HttpException) e).response().code() == 404) {
+                message = getString(R.string.no_such_a_user);
+            }
+        } else {
+            message = "Network Error !";
+        }
+
+        Toast.makeText(this, message, Snackbar.LENGTH_LONG).show();
+    }
+
+    private void toggleEmptyNotes() {
+        if (didFetched && blacklistedUsers.size() == 0) {
+            noNotesView.setVisibility(View.VISIBLE);
+            noNotesView.setText(R.string.list_is_empty);
+            loader.setVisibility(View.GONE);
+        }else if (blacklistedUsers.size() > 0) {
+            noNotesView.setVisibility(View.GONE);
+            loader.setVisibility(View.GONE);
+        } else {
+            loader.setVisibility(View.VISIBLE);
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.menu_black_list, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+
+        if (item.getItemId()==R.id.action_blacklist_info_popup){
+            int layoutID = R.layout.info_popup_blacklist;
+
+            View popupView = getLayoutInflater().inflate(layoutID,null);
+
+            PopupWindow popupWindow = new PopupWindow(popupView,
+                    LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
+            // If the PopupWindow should be focusable
+            popupWindow.setFocusable(true);
+            // If you need the PopupWindow to dismiss when when touched outside
+            popupWindow.setBackgroundDrawable(new ColorDrawable());
+            // Get the View's(the one that was clicked in the Fragment) location
+            View anchorView=  getWindow().getDecorView().findViewById(android.R.id.content);
+            popupWindow.showAtLocation(anchorView,Gravity.TOP|Gravity.END, 0, 0);
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    private void handleSwitch(){
+        aSwitch.setOnCheckedChangeListener((buttonView, isChecked) -> {
+            if (isChecked){
+                aSwitch.setText(getString(R.string.action_black_list) + " "+ getString(R.string.on));
+                handleChangeRequest(true);
+                PrefUtils.useBlacklist(this,true);
+            }else {
+                aSwitch.setText(getString(R.string.action_black_list) + " "+getString(R.string.off));
+                handleChangeRequest(false);
+                PrefUtils.useBlacklist(this,false);
+            }
+        });
+    }
+
+    private void handleChangeRequest(boolean value){
+        IsUsingListBool isUsingListBool = new IsUsingListBool();
+        isUsingListBool.setIsUsing(value);
+        disposable.add(
+        userService.setTutorBlacklist(tutorId, isUsingListBool)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+            .subscribe(()->{
+            },this::showError)
+        );
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+    }
+
+    @Override
+    public void onStop() {
+        super.onStop();
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        disposable.dispose();
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/activity/LoginActivity.java

@@ -3,33 +3,18 @@ package com.uam.wmi.findmytutor.activity;
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.annotation.TargetApi;
-import android.app.LoaderManager.LoaderCallbacks;
-import android.content.CursorLoader;
 import android.content.Intent;
-import android.content.Loader;
-import android.content.pm.PackageManager;
-import android.database.Cursor;
 import android.net.Uri;
-import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
-import android.provider.ContactsContract;
-import android.support.annotation.NonNull;
 import android.support.design.widget.Snackbar;
 import android.support.v7.app.AppCompatActivity;
 import android.text.TextUtils;
-import android.util.Log;
-import android.view.KeyEvent;
 import android.view.View;
-import android.view.View.OnClickListener;
 import android.view.inputmethod.EditorInfo;
-import android.widget.ArrayAdapter;
 import android.widget.AutoCompleteTextView;
 import android.widget.Button;
 import android.widget.EditText;
-import android.widget.Switch;
-import android.widget.TextView;
-import android.widget.ToggleButton;
 
 import com.auth0.android.jwt.Claim;
 import com.auth0.android.jwt.JWT;
@@ -38,407 +23,199 @@ import com.uam.wmi.findmytutor.R;
 import com.uam.wmi.findmytutor.model.JwtToken;
 import com.uam.wmi.findmytutor.model.LdapUser;
 import com.uam.wmi.findmytutor.model.User;
+import com.uam.wmi.findmytutor.model.ValidateUser;
 import com.uam.wmi.findmytutor.network.ApiClient;
 import com.uam.wmi.findmytutor.service.LdapService;
 import com.uam.wmi.findmytutor.service.UserService;
+import com.uam.wmi.findmytutor.utils.MapUtils;
 import com.uam.wmi.findmytutor.utils.PrefUtils;
 import com.uam.wmi.findmytutor.utils.RestApiHelper;
 
-import java.util.ArrayList;
-import java.util.List;
+import java.util.Objects;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
-import io.reactivex.observers.DisposableSingleObserver;
 import io.reactivex.schedulers.Schedulers;
 import okhttp3.ResponseBody;
 
-import static android.Manifest.permission.READ_CONTACTS;
+public class LoginActivity extends AppCompatActivity {
 
-/**
- * A login screen that offers login via email/password.
- */
-public class LoginActivity extends AppCompatActivity implements LoaderCallbacks<Cursor> {
-
-    /**
-     * Id to identity READ_CONTACTS permission request.
-     */
-    private static final int REQUEST_READ_CONTACTS = 0;
-
-    /**
-     * A dummy authentication store containing known user names and passwords.
-     * TODO: remove after connecting to a real authentication system.
-     */
-    private static final String[] DUMMY_CREDENTIALS = new String[]{
-            "adam@o2.pl:adamadam", "foo@example.com:hello", "bar@example.com:world"
-    };
-    /**
-     * Keep track of the login task to ensure we can cancel it if requested.
-     */
-    private UserLoginTask mAuthTask = null;
-
-    // UI references.
-    private AutoCompleteTextView mEmailView;
+    private AutoCompleteTextView mLoginNameView;
     private EditText mPasswordView;
     private View mProgressView;
     private View mLoginFormView;
-    private boolean loginOption;
+    private LdapService ldapService;
+    private UserService userService;
+    private CompositeDisposable disposable = new CompositeDisposable();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_login);
-        // Set up the login form.
-        mEmailView = (AutoCompleteTextView) findViewById(R.id.email);
-        populateAutoComplete();
+        mLoginNameView = findViewById(R.id.email);
 
-        mPasswordView = (EditText) findViewById(R.id.password);
-        mPasswordView.setOnEditorActionListener(new TextView.OnEditorActionListener() {
-            @Override
-            public boolean onEditorAction(TextView textView, int id, KeyEvent keyEvent) {
-                if (id == EditorInfo.IME_ACTION_DONE || id == EditorInfo.IME_NULL) {
-                    attemptLogin();
-                    return true;
-                }
-                return false;
-            }
-        });
+        ldapService = ApiClient.getClient(getApplicationContext())
+                .create(LdapService.class);
+        userService = ApiClient.getClient(getApplicationContext())
+                .create(UserService.class);
 
-        Switch tutorLogin = (Switch) findViewById(R.id.tutor_login_switch);
-        tutorLogin.setOnClickListener(new OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                loginOption = tutorLogin.isChecked();
-            }
-        });
-
-
-        Button mEmailSignInButton = (Button) findViewById(R.id.email_sign_in_button);
-        mEmailSignInButton.setOnClickListener(new OnClickListener() {
-            @Override
-            public void onClick(View view) {
+        mPasswordView = findViewById(R.id.password);
+        mPasswordView.setOnEditorActionListener((textView, id, keyEvent) -> {
+            if (id == EditorInfo.IME_ACTION_DONE || id == EditorInfo.IME_NULL) {
                 attemptLogin();
+                return true;
             }
+            return false;
         });
 
+        Button mEmailSignInButton = findViewById(R.id.email_sign_in_button);
+        mEmailSignInButton.setOnClickListener(view -> attemptLogin());
+
         mLoginFormView = findViewById(R.id.login_form);
         mProgressView = findViewById(R.id.login_progress);
     }
 
-    private void populateAutoComplete() {
-        if (!mayRequestContacts()) {
-            return;
-        }
 
-        getLoaderManager().initLoader(0, null, this);
-    }
-
-    private boolean mayRequestContacts() {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
-            return true;
-        }
-        if (checkSelfPermission(READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
-            return true;
-        }
-        if (shouldShowRequestPermissionRationale(READ_CONTACTS)) {
-            Snackbar.make(mEmailView, R.string.permission_rationale, Snackbar.LENGTH_INDEFINITE)
-                    .setAction(android.R.string.ok, new View.OnClickListener() {
-                        @Override
-                        @TargetApi(Build.VERSION_CODES.M)
-                        public void onClick(View v) {
-                            requestPermissions(new String[]{READ_CONTACTS}, REQUEST_READ_CONTACTS);
-                        }
-                    });
-        } else {
-            requestPermissions(new String[]{READ_CONTACTS}, REQUEST_READ_CONTACTS);
-        }
-        return false;
-    }
-
-    /**
-     * Callback received when a permissions request has been completed.
-     */
-    @Override
-    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
-                                           @NonNull int[] grantResults) {
-        if (requestCode == REQUEST_READ_CONTACTS) {
-            if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-                populateAutoComplete();
-            }
-        }
-    }
-
-
-    /**
-     * Attempts to sign in or register the account specified by the login form.
-     * If there are form errors (invalid email, missing fields, etc.), the
-     * errors are presented and no actual login attempt is made.
-     */
     private void attemptLogin() {
-        if (mAuthTask != null) {
-            return;
-        }
-
         // Reset errors.
-        mEmailView.setError(null);
+        mLoginNameView.setError(null);
         mPasswordView.setError(null);
 
         // Store values at the time of the login attempt.
-        String email = mEmailView.getText().toString();
+        String loginName = mLoginNameView.getText().toString();
         String password = mPasswordView.getText().toString();
 
         boolean cancel = false;
         View focusView = null;
 
-        // Check for a valid password, if the user entered one.
-        if (!TextUtils.isEmpty(password) && !isPasswordValid(password)) {
-            mPasswordView.setError(getString(R.string.error_invalid_password));
+        // Check for a valid email address.
+        if (TextUtils.isEmpty(loginName)) {
+            mLoginNameView.setError(getString(R.string.error_field_required));
+            focusView = mLoginNameView;
+            cancel = true;
+        } else if (!isEmailValid(loginName)) {
+            mLoginNameView.setError(getString(R.string.error_invalid_login_name));
+            focusView = mLoginNameView;
+            cancel = true;
+        }
+
+        // Check for a valid password address.
+        if (TextUtils.isEmpty(password)) {
+            mPasswordView.setError(getString(R.string.error_field_required));
             focusView = mPasswordView;
             cancel = true;
         }
 
-        // Check for a valid email address.
-        if (TextUtils.isEmpty(email)) {
-            mEmailView.setError(getString(R.string.error_field_required));
-            focusView = mEmailView;
-            cancel = true;
-        } else if (!isEmailValid(email)) {
-            mEmailView.setError(getString(R.string.error_invalid_email));
-            focusView = mEmailView;
-            cancel = true;
-        }
-
         if (cancel) {
-            // There was an error; don't attempt login and focus the first
-            // form field with an error.
             focusView.requestFocus();
         } else {
-            // Show a progress spinner, and kick off a background task to
-            // perform the user login attempt.
             showProgress(true);
-            mAuthTask = new UserLoginTask(email, password, loginOption);
-            mAuthTask.execute((Void) null);
+            loginProcess(loginName, password);
+
         }
     }
 
-    private boolean isEmailValid(String email) {
-        //TODO: Replace this with your own logic
-        return email.contains("@");
+    private boolean isEmailValid(String loginName) {
+        Pattern pattern = Pattern.compile("\\s");
+        Matcher matcher = pattern.matcher(loginName);
+        return !matcher.find();
     }
 
-    private boolean isPasswordValid(String password) {
-        //TODO: Replace this with your own logic
-        return password.length() > 4;
-    }
-
-    /**
-     * Shows the progress UI and hides the login form.
-     */
     @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
     private void showProgress(final boolean show) {
-        // On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow
-        // for very easy animations. If available, use these APIs to fade-in
-        // the progress spinner.
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
-            int shortAnimTime = getResources().getInteger(android.R.integer.config_shortAnimTime);
-
-            mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
-            mLoginFormView.animate().setDuration(shortAnimTime).alpha(
-                    show ? 0 : 1).setListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(Animator animation) {
-                    mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
-                }
-            });
-
-            mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
-            mProgressView.animate().setDuration(shortAnimTime).alpha(
-                    show ? 1 : 0).setListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(Animator animation) {
-                    mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
-                }
-            });
-        } else {
-            // The ViewPropertyAnimator APIs are not available, so simply show
-            // and hide the relevant UI components.
-            mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
-            mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
-        }
-    }
-
-    @Override
-    public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
-        return new CursorLoader(this,
-                // Retrieve data rows for the device user's 'profile' contact.
-                Uri.withAppendedPath(ContactsContract.Profile.CONTENT_URI,
-                        ContactsContract.Contacts.Data.CONTENT_DIRECTORY), ProfileQuery.PROJECTION,
-
-                // Select only email addresses.
-                ContactsContract.Contacts.Data.MIMETYPE +
-                        " = ?", new String[]{ContactsContract.CommonDataKinds.Email
-                .CONTENT_ITEM_TYPE},
-
-                // Show primary email addresses first. Note that there won't be
-                // a primary email address if the user hasn't specified one.
-                ContactsContract.Contacts.Data.IS_PRIMARY + " DESC");
-    }
-
-    @Override
-    public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) {
-        List<String> emails = new ArrayList<>();
-        cursor.moveToFirst();
-        while (!cursor.isAfterLast()) {
-            emails.add(cursor.getString(ProfileQuery.ADDRESS));
-            cursor.moveToNext();
-        }
-
-        addEmailsToAutoComplete(emails);
-    }
-
-    @Override
-    public void onLoaderReset(Loader<Cursor> cursorLoader) {
-
-    }
-
-    private void addEmailsToAutoComplete(List<String> emailAddressCollection) {
-        //Create adapter to tell the AutoCompleteTextView what to show in its dropdown list.
-        ArrayAdapter<String> adapter =
-                new ArrayAdapter<>(LoginActivity.this,
-                        android.R.layout.simple_dropdown_item_1line, emailAddressCollection);
-
-        mEmailView.setAdapter(adapter);
-    }
+        int shortAnimTime = getResources().getInteger(android.R.integer.config_shortAnimTime);
 
 
-    private interface ProfileQuery {
-        String[] PROJECTION = {
-                ContactsContract.CommonDataKinds.Email.ADDRESS,
-                ContactsContract.CommonDataKinds.Email.IS_PRIMARY,
-        };
-
-        int ADDRESS = 0;
-        int IS_PRIMARY = 1;
-    }
-
-    /**
-     * Represents an asynchronous login/registration task used to authenticate
-     * the user.
-     */
-    public class UserLoginTask extends AsyncTask<Void, Void, Boolean> {
-
-        private final String mEmail;
-        private final String mPassword;
-        private boolean isTutor;
-        private LdapService ldapService;
-        private UserService userService;
-        private CompositeDisposable disposable = new CompositeDisposable();
-        private Boolean isAuthorizate;
-
-        // Constructor
-        UserLoginTask(String email, String password, Boolean loginOption) {
-            mEmail = email;
-            mPassword = password;
-            isTutor = loginOption;
-            isAuthorizate = false;
-            ldapService = ApiClient.getClient(getApplicationContext())
-                    .create(LdapService.class);
-            userService = ApiClient.getClient(getApplicationContext())
-                    .create(UserService.class);
-
-            PrefUtils.storeIsTutor(getApplicationContext(), this.isTutor);
-        }
-
-        private void saveUserProfileToSharedPreferences(User user){
-            PrefUtils.storeUserFirstName(getApplicationContext(), user.getFirstName());
-            PrefUtils.storeUserLastName(getApplicationContext(), user.getLastName());
-            PrefUtils.storeUserName(getApplicationContext(), user.getUserName());
-        }
-
-        private void getUserProfile(String userId) {
-            disposable.add(
-                    userService
-                            .getUserByID(userId)
-                            .subscribeOn(Schedulers.io())
-                            .observeOn(AndroidSchedulers.mainThread())
-                            .subscribeWith(new DisposableSingleObserver<User>() {
-                                @Override
-                                public void onSuccess(User user) {
-                                    Log.e("USER", String.valueOf(user));
-                                    saveUserProfileToSharedPreferences(user);
-
-                                    onPostExecute(true);
-                                }
-
-                                public void onError(Throwable e) {
-                                    ((HttpException) e).code();
-                                    Log.e("Login onError", e.getMessage());
-
-                                    if (e instanceof HttpException) {
-                                        ResponseBody responseBody = ((HttpException) e).response().errorBody();
-                                        Log.e("Login onError", RestApiHelper.getErrorMessage(responseBody));
-                                    }
-
-                                }
-                            }));
-        }
-
-        @Override
-        protected Boolean doInBackground(Void... params) {
-            LdapUser user = new LdapUser(mEmail, mPassword, "admin", (isTutor) ? "Tutor" : "Student", "string", "string", mEmail);
-
-            disposable.add(
-                    ldapService
-                            .fakeValidate(user)
-                            .subscribeOn(Schedulers.io())
-                            .observeOn(AndroidSchedulers.mainThread())
-                            .subscribeWith(new DisposableSingleObserver<JwtToken>() {
-                                @Override
-                                public void onSuccess(JwtToken jwtToken) {
-                                    String token = jwtToken.getToken();
-
-                                    JWT jwt = new JWT(token);
-                                    Claim role = jwt.getClaim("nameid");
-
-                                    PrefUtils.storeIsLoggedIn(getApplicationContext(), true);
-                                    PrefUtils.storeApiKey(getApplicationContext(), token);
-                                    PrefUtils.storeUserId(getApplicationContext(), role.asString());
-
-                                    getUserProfile(role.asString());
-                                }
-
-                                @Override
-                                public void onError(Throwable e) {
-                                    Log.e("LoginError", "onError: " + e.getMessage());
-                                }
-                            }));
-
-            return true;
-        }
-
-        @Override
-        protected void onPostExecute(final Boolean success) {
-            mAuthTask = null;
-            showProgress(false);
-
-            if (success) {
-                Intent data = new Intent();
-                String txt = "Main Activity";
-                data.setData(Uri.parse(txt));
-                setResult(RESULT_OK, data);
-                finish();
-            } else {
-                mPasswordView.setError(getString(R.string.error_incorrect_password));
-                mPasswordView.requestFocus();
+        mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
+        mLoginFormView.animate().setDuration(shortAnimTime).alpha(
+                show ? 0 : 1).setListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
             }
+        });
 
+        mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
+        mProgressView.animate().setDuration(shortAnimTime).alpha(
+                show ? 1 : 0).setListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
+            }
+        });
+
+    }
+
+    private void loginProcess(String email, String password) {
+        ValidateUser user = new ValidateUser(email, password);
+        // LdapUser fakeUser = new LdapUser(email, password,"wmi","tutor",email,"Fałszywy",email);
+        disposable.add(ldapService.validate(user)
+                //disposable.add(ldapService.fakeValidate(fakeUser)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(this::handleResponse, this::handleError));
+    }
+
+    private void getUserProfile(String userId) {
+
+        disposable.add(userService.getUserById(userId)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(this::saveUserProfileToSharedPreferences, this::handleError));
+    }
+
+    private void showSnackBarMessage(String message) {
+        Snackbar.make(findViewById(R.id.login_form), message, Snackbar.LENGTH_LONG)
+                .show();
+    }
+
+    private void handleResponse(JwtToken jwtToken) {
+        showProgress(false);
+
+        String token = jwtToken.getToken();
+        JWT jwt = new JWT(token);
+        Claim userId = jwt.getClaim("nameid");
+        Claim role = jwt.getClaim("http://schemas.microsoft.com/ws/2008/06/identity/claims/role");
+
+        if (Objects.requireNonNull(role.asString()).equals("Student")) {
+            PrefUtils.storeIsTutor(getApplicationContext(), false);
+        } else {
+            PrefUtils.storeIsTutor(getApplicationContext(), true);
         }
 
-        @Override
-        protected void onCancelled() {
-            mAuthTask = null;
-            showProgress(false);
+        PrefUtils.storeIsLoggedIn(getApplicationContext(), true);
+        PrefUtils.storeApiKey(getApplicationContext(), token);
+        PrefUtils.storeUserId(getApplicationContext(), userId.asString());
+
+        getUserProfile(userId.asString());
+
+
+        Intent data = new Intent();
+        String txt = "Main Activity";
+        data.setData(Uri.parse(txt));
+        setResult(RESULT_OK, data);
+        finish();
+    }
+
+    private void handleError(Throwable error) {
+        showProgress(false);
+
+        if (error instanceof HttpException) {
+
+            ResponseBody responseBody = ((HttpException) error).response().errorBody();
+            showSnackBarMessage(RestApiHelper.getErrorMessage(responseBody));
+
+        } else {
+            showSnackBarMessage("Network Error !");
         }
     }
+
+    private void saveUserProfileToSharedPreferences(User user) {
+        PrefUtils.storeUserFirstName(getApplicationContext(), user.getFirstName());
+        PrefUtils.storeUserLastName(getApplicationContext(), user.getLastName());
+        PrefUtils.storeUserName(getApplicationContext(), user.getUserName());
+    }
 }
 

app/src/main/java/com/uam/wmi/findmytutor/activity/MapActivity.java

@@ -1,232 +1,783 @@
 package com.uam.wmi.findmytutor.activity;
 
+import android.Manifest;
 import android.animation.ObjectAnimator;
-import android.animation.TypeEvaluator;
 import android.animation.ValueAnimator;
+import android.annotation.SuppressLint;
 import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
+import android.location.Location;
 import android.os.Bundle;
 import android.os.Handler;
-import android.support.design.widget.FloatingActionButton;
+import android.os.PowerManager;
+import android.support.v4.content.ContextCompat;
+import android.support.v7.app.AlertDialog;
+import android.text.TextUtils;
 import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.animation.LinearInterpolator;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
 
+import com.annimon.stream.Stream;
+import com.getbase.floatingactionbutton.FloatingActionButton;
+import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
+import com.mapbox.android.core.permissions.PermissionsListener;
+import com.mapbox.android.core.permissions.PermissionsManager;
+import com.mapbox.geojson.Point;
 import com.mapbox.mapboxsdk.Mapbox;
+import com.mapbox.mapboxsdk.annotations.Icon;
+import com.mapbox.mapboxsdk.annotations.IconFactory;
 import com.mapbox.mapboxsdk.annotations.Marker;
 import com.mapbox.mapboxsdk.annotations.MarkerOptions;
-import com.mapbox.mapboxsdk.annotations.MarkerViewOptions;
 import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.mapbox.mapboxsdk.location.LocationComponent;
+import com.mapbox.mapboxsdk.location.LocationComponentOptions;
+import com.mapbox.mapboxsdk.location.modes.CameraMode;
+import com.mapbox.mapboxsdk.location.modes.RenderMode;
 import com.mapbox.mapboxsdk.maps.MapView;
 import com.mapbox.mapboxsdk.maps.MapboxMap;
 import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
 import com.uam.wmi.findmytutor.R;
 import com.uam.wmi.findmytutor.model.Coordinate;
-import com.uam.wmi.findmytutor.network.RetrofitClientInstance;
+import com.uam.wmi.findmytutor.model.PredefinedCoordViewModel;
+import com.uam.wmi.findmytutor.model.User;
+import com.uam.wmi.findmytutor.network.ApiClient;
 import com.uam.wmi.findmytutor.service.CoordinateService;
+import com.uam.wmi.findmytutor.service.PredefinedCoordinatesService;
+import com.uam.wmi.findmytutor.service.UserService;
+import com.uam.wmi.findmytutor.utils.ApproximatedLocalization;
+import com.uam.wmi.findmytutor.utils.EnableSharingDialog;
+import com.uam.wmi.findmytutor.utils.LocaleHelper;
+import com.uam.wmi.findmytutor.utils.LocaleUtils;
+import com.uam.wmi.findmytutor.utils.ManualLocationUtils;
+import com.uam.wmi.findmytutor.utils.MapMarker;
+import com.uam.wmi.findmytutor.utils.MapUtils;
 import com.uam.wmi.findmytutor.utils.PrefUtils;
+import com.uam.wmi.findmytutor.utils.RestApiHelper;
+import com.uam.wmi.findmytutor.utils.SharingLevel;
 
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
-import java.util.Map;
+import java.util.Set;
 
 import io.reactivex.android.schedulers.AndroidSchedulers;
-import io.reactivex.annotations.NonNull;
 import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.observers.DisposableSingleObserver;
 import io.reactivex.schedulers.Schedulers;
+import okhttp3.ResponseBody;
+import timber.log.Timber;
 
+import static com.uam.wmi.findmytutor.utils.Const.mapRefreshInterval;
 
 public class MapActivity extends BaseActivity
-    implements OnMapReadyCallback {
-
-
-    String tag = "LifeCycleEvents";
-
+        implements PermissionsListener, OnMapReadyCallback {
 
+    private HashMap<Long, String> markerUserHash = new HashMap<>();
+    private String tag = getClass().getName();
+    private PermissionsManager permissionsManager;
+    private LocationComponent locationComponent;
+    private CoordinateService coordinateService;
+    private UserService userService;
+    private CompositeDisposable disposable = new CompositeDisposable();
+    private int mInterval = mapRefreshInterval;
+    private Handler mHandler = new Handler();
+    private Runnable mStatusChecker;
     private MapView mapView;
     private MapboxMap mapboxMap;
-    private int mInterval = 10000;
-    private Handler mHandler;
-
-    private Map<String,Coordinate> coordsMap = new HashMap<>();
-
-    private CoordinateService coordinateService;
-    private CompositeDisposable disposable = new CompositeDisposable();
-
-    private Runnable mStatusChecker;
-
-
-
+    private Button selectLocationButton;
+    private Button removeLocationButton;
+    private Marker tmpLocalMarker;
+    private Coordinate droppedMarkercoordinate;
+    public HashMap<String, Coordinate> coordsMap = new HashMap<>();
+    private HashMap<String, MapMarker> markerHash = new HashMap<>();
+    private Set<String> previousCoordsIds = new HashSet<>();
+    private ManualLocationUtils manualLocationUtils;
+    // Camera Animation params
+    private int zoomParam = 17;
+    private int bearingParam = 180;
+    private int tiltParam = 30;
+    private String myId;
+    private boolean isTutor;
+    private ApproximatedLocalization approximatedLocalization;
+    private boolean shouldFetchNewCoords = true;
 
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(LocaleHelper.onAttach(base));
+    }
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        configureLogoutButton();
 
-        final SharedPreferences sharedPref = getSharedPreferences("fmtPrefs", Context.MODE_PRIVATE);
-        final String authToken = sharedPref.getString("authToken",null);
+        isTutor = PrefUtils.getIsTutor(this);
+        myId = PrefUtils.getUserId(getApplicationContext());
 
-        mStatusChecker = new Runnable() {
-            @Override
-            public void run() {
-                try{
+        coordinateService = ApiClient.getClient(getApplicationContext())
+                .create(CoordinateService.class);
+
+        userService = ApiClient.getClient(getApplicationContext())
+                .create(UserService.class);
+
+        mStatusChecker = () -> {
+            try {
+                if (shouldFetchNewCoords) {
+                    checkIfUsesCanBeTutor();
                     fetchTopCoords();
-                } finally {
-                    mHandler.postDelayed(mStatusChecker, mInterval);
                 }
+            } finally {
+                mHandler.postDelayed(mStatusChecker, mInterval);
             }
+
         };
 
-        coordinateService = RetrofitClientInstance.createService(CoordinateService.class,"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYW1laWQiOiJhM2MxMDU1YS1kZDM0LTQ5ZWItYTFkNS0xY2E5YTE2YzY0ODgiLCJzdWIiOiJzdHJpbmciLCJqdGkiOiI4NTA0NDA5NS00NjBkLTQzZDgtYjMxMC0xYmNiNWMxNGExZjQiLCJleHAiOjE1NDMzNTAzMzQsImlzcyI6Imh0dHA6Ly9maW5kbXl0dXRvci5jb20iLCJhdWQiOiJodHRwOi8vZmluZG15dHV0b3IuY29tIn0.xGyu6iBeq9xF0ufBd01jNzILLq1NeYa-5MeVOiPahD8");
-
-        mHandler = new Handler();
-        Bundle extras = getIntent().getExtras();
-
-        Mapbox.getInstance(this, getString(R.string.access_token));
-
-        mapView = (MapView) findViewById(R.id.mapView);
+        selectLocationButton = findViewById(R.id.select_location_button);
+        removeLocationButton = findViewById(R.id.remove_location_button);
+        mapView = findViewById(R.id.mapView);
         mapView.onCreate(savedInstanceState);
         mapView.getMapAsync(this);
+
+        //start background task
+        handleBackgroundTaskLifeCycle();
+        manualLocationUtils = new ManualLocationUtils(MapActivity.this);
+        approximatedLocalization = new ApproximatedLocalization(MapUtils.loadJsonFromAsset(getApplicationContext(), "building.geojson"));
+
+        if(isTutor){
+            MapUtils.BatteryOptimizationsExceptionCheck(this);
+        }
+
     }
 
     @Override
-    public void onMapReady(MapboxMap map) {
-        mapboxMap = map;
-        final Marker marker = mapboxMap.addMarker(new MarkerViewOptions()
-                .position(new LatLng(52.466782,16.927549)));
+    public void onMapReady(MapboxMap mapboxMap) {
+        MapActivity.this.mapboxMap = mapboxMap;
         mStatusChecker.run();
+        enableLocationPlugin();
 
-        mapboxMap.addOnMapClickListener(new MapboxMap.OnMapClickListener() {
-            @Override
-            public void onMapClick(@NonNull LatLng point) {
+        mapboxMap.setOnMarkerClickListener(marker -> {
+            String id = markerUserHash.get(marker.getId());
+            createMarkerModal(id);
 
-                // When the user clicks on the map, we want to animate the marker to that
-                // location.
-                ValueAnimator markerAnimator = ObjectAnimator.ofObject(marker, "position",
-                        new LatLngEvaluator(), marker.getPosition(), point);
-                markerAnimator.setDuration(2000);
-                markerAnimator.start();
+            return true;
+        });
+
+        if (isTutor) {
+            setOnMapLongClickListener();
+        }
+
+
+        setOnMapClickListener();
+        MapUtils.setMapBoundsArea(getApplicationContext(), mapboxMap, mapView, true);
+    }
+
+    private void updateUserHashMap(String userId, Long markerId) {
+        disposable.add(userService.getUserById(userId)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(t -> saveUserToHashMap(t, markerId), this::handleError));
+    }
+
+    private void saveUserToHashMap(User user, Long markerId) {
+        markerUserHash.put(markerId, user.getId());
+        markerHash.get(user.getId()).getMarker().setTitle(user.getFirstName() + " " + user.getLastName());
+    }
+
+    private void createMarkerModal(String userId) {
+        disposable.add(userService.getUserById(userId)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(this::createMarkerModalView, this::handleError));
+    }
+
+    private void createMarkerModalView(User user) {
+        String cordStatus = coordsMap.get(user.getId()).getLabel();
+        String sharingLevel = coordsMap.get(user.getId()).getDisplayMode();
+
+        LayoutInflater layoutInflaterAndroid = LayoutInflater.from(getApplicationContext());
+        @SuppressLint("InflateParams") View view = layoutInflaterAndroid.inflate(R.layout.marker_modal, null);
+
+        AlertDialog.Builder alertDialogBuilderUserInput = new android.support.v7.app.AlertDialog.Builder(this);
+        alertDialogBuilderUserInput.setView(view);
+
+        alertDialogBuilderUserInput.setNegativeButton(R.string.cancel, (dialog, id) -> {
+            // User cancelled the dialog
+        });
+
+        TextView userName = view.findViewById(R.id.userName);
+        TextView status = view.findViewById(R.id.label);
+        TextView sharingLevelView = view.findViewById(R.id.sharing_level);
+
+        userName.setText(String.format("%s %s", user.getFirstName(), user.getLastName()));
+
+        if (cordStatus.equals("")) {
+            status.setText(String.format("%s: %s", getResources().getString(R.string.status_switch_title), getString(R.string.lack_of_status)));
+        } else {
+            status.setText(String.format("%s: %s", getResources().getString(R.string.status_switch_title), cordStatus));
+        }
+
+        String sharingLevelToRender = sharingLevel;
+Log.e("LOCALE",PrefUtils.getLocale(getApplicationContext()));
+
+        if (PrefUtils.getLocale(getApplicationContext()).equals("pl") ||
+                PrefUtils.getLocale(getApplicationContext()).equals("pl-PL") ||
+                PrefUtils.getLocale(getApplicationContext()).equals("[pl-PL]")) {
+            if (sharingLevel.equals(SharingLevel.MANUAL.toString())) {
+                sharingLevelToRender = getString(R.string.manual_mode);
+            } else if (sharingLevel.equals(SharingLevel.EXACT.toString())) {
+                sharingLevelToRender = getString(R.string.exact_mode);
+            } else if (sharingLevel.equals(SharingLevel.APPROXIMATED.toString())) {
+                sharingLevelToRender = getString(R.string.approx_mode);
             }
+        }
+
+        sharingLevelView.setText(String.format("%s: %s", getResources().getString(R.string.settings_location_level), sharingLevelToRender));
+
+        final AlertDialog alertDialog = alertDialogBuilderUserInput.create();
+        alertDialog.show();
+    }
+
+    private void handleError(Throwable error) {
+        showError(error);
+    }
+
+    private void showError(Throwable e) {
+        String message;
+
+        if (e instanceof HttpException) {
+            ResponseBody responseBody = ((HttpException) e).response().errorBody();
+            message = RestApiHelper.getErrorMessage(responseBody);
+        } else {
+            message = getString(R.string.network_error);
+        }
+
+        Toast.makeText(MapActivity.this, message, Toast.LENGTH_SHORT).show();
+    }
+
+    private void setOnMapClickListener() {
+
+        mapboxMap.addOnMapClickListener(e -> {
+            removeLocationButton.setVisibility(View.GONE);
+            selectLocationButton.setVisibility(View.GONE);
+            restoreMapMarkers();
         });
     }
 
-        private static class LatLngEvaluator implements TypeEvaluator<LatLng> {
-        // Method is used to interpolate the marker animation.
+    private void setOnMapLongClickListener() {
 
-        private LatLng latLng = new LatLng();
+        mapboxMap.addOnMapLongClickListener((LatLng latLng) -> {
+            selectLocationButton.setVisibility(View.VISIBLE);
+            removeLocationButton.setVisibility(View.GONE);
+
+            if (tmpLocalMarker == null) {
+                String sharingLevel = SharingLevel.MANUAL.toString();
+                Icon defaultIcon = getMapIcon(sharingLevel, myId);
+
+                MarkerOptions markerOptions = new MarkerOptions()
+                        .setIcon(defaultIcon)
+                        .position(latLng);
+
+                tmpLocalMarker = mapboxMap.addMarker(markerOptions);
+                new MapMarker(tmpLocalMarker, markerOptions, defaultIcon, sharingLevel);
+
+            } else {
+                ValueAnimator markerAnimator = ObjectAnimator.ofObject(tmpLocalMarker, "position",
+                        new MapUtils.LatLngEvaluator(), tmpLocalMarker.getPosition(), latLng);
+                markerAnimator.setDuration(2000);
+                markerAnimator.start();
+            }
+
+            selectLocationButton.setOnClickListener((View view) -> {
+                if (tmpLocalMarker != null) {
+
+                    String approximatedLocation = approximatedLocalization.getNameOfBuildingPart(Point.fromLngLat(latLng.getLongitude(), latLng.getLatitude()));
+
+                    try {
+                        droppedMarkercoordinate = new Coordinate(
+                                latLng.getLatitude(),
+                                latLng.getLongitude(),
+                                latLng.getAltitude(),
+                                approximatedLocation,
+                                PrefUtils.getUserFirstName(getApplicationContext()) + " " + PrefUtils.getUserLastName(getApplicationContext()),
+                                PrefUtils.getUserId(getApplicationContext()),
+                                PrefUtils.getLocationLevel(getApplicationContext())
+                        );
+
+                        if (!PrefUtils.isEnableSharingLocalization(getApplicationContext())) {
+                            EnableSharingDialog sharingDialog = new EnableSharingDialog();
+                            sharingDialog.show(getFragmentManager(), "Sharing");
+                        }
+
+                        PrefUtils.putManualLocation(this, latLng, approximatedLocation);
+
+                        handleBackgroundTaskLifeCycle();
+
+                    } catch (IllegalArgumentException e) {
+                        Timber.e(String.valueOf(e));
+                    }
+
+                    Toast.makeText(
+                            MapActivity.this,
+                            getString(R.string.manual_location_selected),
+                            Toast.LENGTH_LONG
+                    ).show();
+
+                    selectLocationButton.setVisibility(View.GONE);
+                    mapboxMap.removeMarker(tmpLocalMarker);
+                    tmpLocalMarker = null;
+
+                    showLocationDialog(latLng);
+                }
+            });
+        });
 
-        @Override
-        public LatLng evaluate(float fraction, LatLng startValue, LatLng endValue) {
-            latLng.setLatitude(startValue.getLatitude()
-                    + ((endValue.getLatitude() - startValue.getLatitude()) * fraction));
-            latLng.setLongitude(startValue.getLongitude()
-                    + ((endValue.getLongitude() - startValue.getLongitude()) * fraction));
-            return latLng;
-        }
     }
 
-        private void fetchTopCoords() {
+    public void showLocationDialog(LatLng latLng) {
+
+        LayoutInflater layoutInflaterAndroid = LayoutInflater.from(getApplicationContext());
+        @SuppressLint("InflateParams") View view = layoutInflaterAndroid.inflate(R.layout.location_modal, null);
+        AlertDialog.Builder alertDialogBuilderUserInput = new android.support.v7.app.AlertDialog.Builder(this);
+
+        alertDialogBuilderUserInput.setView(view).setPositiveButton(getApplicationContext().getString(R.string.modal_location_send), null);
+
+        alertDialogBuilderUserInput
+                .setPositiveButton(R.string.lbl_ok, null)
+                .setNegativeButton(R.string.lbl_cancel, null);
+
+        final AlertDialog alertDialog = alertDialogBuilderUserInput.create();
+
+        EditText modalUserInput = view.findViewById(R.id.manual_input);
+
+        alertDialog.setOnShowListener(dialogInterface -> {
+            Button sendButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
+            Button dismissButton = alertDialog.getButton(AlertDialog.BUTTON_NEGATIVE);
+
+            dismissButton.setOnClickListener(view1 -> {
+                PrefUtils.putCurrentManualLocationName(getApplicationContext(), getString(R.string.other_location));
+                PrefUtils.putCurrentManualLocation(getApplicationContext(), "-1");
+
+                alertDialog.dismiss();
+            });
+
+            sendButton.setOnClickListener(view1 -> {
+                String body = modalUserInput.getText().toString();
+
+                if (TextUtils.isEmpty(body)) {
+                    Toast.makeText(getApplicationContext(), getApplicationContext().getString(R.string.modal_location_hint), Toast.LENGTH_SHORT).show();
+                    modalUserInput.requestFocus();
+                } else {
+                    sendLocation(body, latLng);
+                    PrefUtils.putCurrentManualLocationName(getApplicationContext(), body);
+                    alertDialog.dismiss();
+                }
+            });
+        });
+
+        alertDialog.show();
+    }
+
+
+    private void sendLocation(String body, LatLng latLng) {
+        PredefinedCoordinatesService predefinedCoordinatesService = ApiClient.getClient(getApplicationContext()).create(PredefinedCoordinatesService.class);
+
+        PredefinedCoordViewModel droppedMarkercoordinate = new PredefinedCoordViewModel(
+                latLng.getLatitude(),
+                latLng.getLongitude(),
+                latLng.getAltitude(),
+                PrefUtils.getUserId(getApplicationContext()),
+                approximatedLocalization.getNameOfBuildingPart(Point.fromLngLat(latLng.getLongitude(), latLng.getLatitude())),
+                SharingLevel.PREDEFINED.toString(),
+                body
+        );
+
+        CompositeDisposable disposable = new CompositeDisposable();
         disposable.add(
-                // coordinateService.getTopCoordinates()
-                coordinateService.getOnlineCoordinates()
+                predefinedCoordinatesService.postUserPredefinedCoord(PrefUtils.getUserId(getApplicationContext()), droppedMarkercoordinate)
                         .subscribeOn(Schedulers.io())
                         .observeOn(AndroidSchedulers.mainThread())
-                        .subscribeWith(new DisposableSingleObserver<List<Coordinate>>() {
+                        .subscribe(this::SaveCurrentManualLocation, this::handleError)
+        );
+    }
+
+    private void SaveCurrentManualLocation(PredefinedCoordViewModel resp) {
+        Toast.makeText(getApplicationContext(), R.string.location_saved, Toast.LENGTH_SHORT).show();
+        PrefUtils.putCurrentManualLocation(getApplicationContext(), resp.getPredefinedCoordinateId());
+    }
+
+
+    private void checkIfUsesCanBeTutor(){
+        disposable.add(
+                userService.getSelf(myId)
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribeWith(new DisposableSingleObserver<User>() {
                             @Override
-                            public void onSuccess(List<Coordinate> coordsList) {
+                            public void onSuccess(User user) {
+                                boolean tutorFromBackend = user.getTitle().equals("tutor");
 
-
-                                for (Coordinate element : coordsList) {
-                                    String id = element.getUserId();
-                                    Coordinate cord = coordsMap.get(id);
-
-
-                                    Log.d("mapper", "a " + mapboxMap.getMarkerViewManager());
-                                    Log.d("mapper", "b " + coordsMap.size());
-                                    if (cord != null) {
-                                        if (!cord.getLongitude().equals(element.getLongitude())
-                                                ) {
-                                            Log.d("mapper", " cos sie zienilo ");
-                                            Marker marker = mapboxMap.addMarker(new MarkerViewOptions()
-                                                    .title(cord.getUserId())
-                                                    .position(new LatLng(cord.getLatitude(),cord.getLongitude())));
-
-                                            ValueAnimator markerAnimator = ObjectAnimator.ofObject(marker, "position",
-                                                    new LatLngEvaluator(), marker.getPosition(), new LatLng(element.getLatitude(),element.getLongitude()));
-                                            markerAnimator.setDuration(2000);
-                                            markerAnimator.start();
-
-
-//                                            coordsMap.replace(id,element);
-                                            coordsMap.remove(id);
-                                            coordsMap.put(id,element);
-                                        } else if (!cord.getTimeStamp().equals(element.getTimeStamp())){
-                                            Log.d("mapper", "update");
-                                            Log.d("mapper", " "+cord.getTimeStamp());
-                                            Log.d("mapper", " " + element.getTimeStamp());
-//                                            coordsMap.replace(id,element);
-                                            coordsMap.remove(id);
-                                            coordsMap.put(id,element);
-                                        }
-                                    } else {
-                                        coordsMap.put(id,element);
-                                        mapboxMap.addMarker(new MarkerOptions().position(new LatLng(element.getLatitude(), element.getLongitude())));
-                                    }
+                                if(tutorFromBackend != PrefUtils.getIsTutor(getApplicationContext())){
+                                    logout();
                                 }
                             }
 
                             @Override
                             public void onError(Throwable e) {
-                                Log.e("Error",e.toString());
+                                showError(e);
+                            }
+                        }));
+
+    }
+
+    private void fetchTopCoords() {
+
+        disposable.add(
+                coordinateService.getOnlineCoordinates()
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .map(tutors -> Stream.of(tutors).
+                                filterNot(t -> t.getDisplayMode().equals(SharingLevel.PRESENCE.toString())).toList())
+                        .subscribeWith(new DisposableSingleObserver<List<Coordinate>>() {
+
+                            @Override
+                            public void onSuccess(List<Coordinate> coordsList) {
+
+                                if (tmpLocalMarker != null && coordsList.isEmpty()) {
+                                    Log.e("MapActivity", "200 empty []");
+                                    mapboxMap.clear();
+
+                                }
+
+                                ArrayList<String> tmp = new ArrayList<>();
+                                for (Coordinate coordinate : coordsList) {
+                                    tmp.add(coordinate.getUserId());
+                                }
+
+                                Set<String> currentCoordsIds = new HashSet<>(tmp);
+                                if (previousCoordsIds.isEmpty()) {
+                                    previousCoordsIds.addAll(currentCoordsIds);
+                                } else {
+                                    // here we clear + it returns bool if sth was removed
+
+                                    previousCoordsIds.removeAll(currentCoordsIds);
+                                    for (String toRemoveId : previousCoordsIds) {
+                                        Log.e(tag + "delete: ", "removing: " + toRemoveId + ": " + markerHash.get(toRemoveId));
+                                        mapboxMap.removeMarker(markerHash.get(toRemoveId).getMarker());
+                                        markerHash.remove(toRemoveId);
+                                        coordsMap.remove(toRemoveId);
+                                    }
+                                }
+
+                                for (Coordinate element : coordsList) {
+                                    String id = element.getUserId();
+                                    String newLabel = element.getLabel();
+                                    String newSharingLevel = element.getDisplayMode();
+
+                                    Coordinate coordinate = coordsMap.get(id);
+
+                                    Log.e(tag, "hashMapSize: " + coordsMap.size());
+                                    Log.e(tag, "markerMapSize: " + coordsMap.size());
+
+                                    if (coordinate != null) {
+
+                                        boolean isTheSameLocalization = coordinate.getLatitude().equals(element.getLatitude()) || coordinate.getLongitude().equals(element.getLongitude());
+
+                                        if (!isTheSameLocalization) {
+                                            //Replace prev marker and animate
+                                            Marker marker = markerHash.get(id).getMarker();
+                                            Boolean showModalAfterAnimation = false;
+
+                                            if (marker.isInfoWindowShown()) {
+                                                marker.hideInfoWindow();
+                                                showModalAfterAnimation = true;
+                                            }
+
+                                            LatLng toDestination = new LatLng(element.getLatitude(), element.getLongitude());
+
+                                            ValueAnimator markerAnimator = ObjectAnimator.ofObject(marker, "position",
+                                                    new MapUtils.LatLngEvaluator(),
+                                                    marker.getPosition(),
+                                                    toDestination);
+                                            markerAnimator.setDuration(2000);
+                                            markerAnimator.setInterpolator(new LinearInterpolator());
+                                            markerAnimator.start();
+
+
+                                            coordsMap.put(id, element);
+                                            marker.setPosition(toDestination);
+
+
+                                            if (showModalAfterAnimation) {
+                                                mapboxMap.selectMarker(marker);
+                                            }
+
+                                            mapboxMap.getMarkerViewManager().update();
+                                        }
+
+
+                                    } else {
+                                        //Add new marker
+                                        coordsMap.put(id, element);
+
+                                        String sharingLevel = coordsMap.get(id).getDisplayMode();
+                                        Icon defaultIcon = getMapIcon(sharingLevel, id);
+
+                                        MarkerOptions markerOptions = new MarkerOptions()
+                                                .setIcon(defaultIcon)
+                                                .position(new LatLng(element.getLatitude(), element.getLongitude()));
+
+                                        Marker markerMapbox = mapboxMap.addMarker(markerOptions);
+                                        MapMarker marker = new MapMarker(markerMapbox, markerOptions, defaultIcon, sharingLevel);
+
+                                        markerHash.put(id, marker);
+                                        updateUserHashMap(id, marker.getMarker().getId());
+
+                                    }
+
+
+                                    //Change marker if sharing mode has been changed
+                                    Boolean newLocalizationMode = markerHash.get(id).getMarkerType().equals(newSharingLevel);
+
+                                    if (!newLocalizationMode) {
+                                        Icon defaultIcon = getMapIcon(newSharingLevel, id);
+                                        MapMarker marker = markerHash.get(id);
+                                        coordsMap.get(id).setDisplayMode(newSharingLevel);
+
+                                        marker.setDefaultIcon(defaultIcon);
+                                        marker.restoreDefaultIcon();
+                                        markerHash.get(id).setMarkerType(newSharingLevel);
+                                        mapboxMap.getMarkerViewManager().update();
+                                    }
+
+                                    coordsMap.get(id).setLabel(newLabel);
+                                }
+
+                                // For next fetch
+                                previousCoordsIds.clear();
+                                previousCoordsIds.addAll(currentCoordsIds);
+                            }
+
+                            @Override
+                            public void onError(Throwable e) {
+                                showError(e);
                             }
                         })
         );
-
     }
 
-        private void configureLogoutButton(){
-        // Logout button
-        final FloatingActionButton button = findViewById(R.id.logoutButton);
+    private Icon getMapIcon(String sharingLevel, String id) {
+        Icon defaultIcon = IconFactory.getInstance(MapActivity.this).fromResource(R.drawable.exact_localization_marker);
 
-        button.setOnClickListener(view -> {
-            PrefUtils.cleanUserLocalStorage(getApplicationContext());
+        if (sharingLevel.equals(SharingLevel.APPROXIMATED.toString())) {
+            defaultIcon = IconFactory.getInstance(MapActivity.this).fromResource(R.drawable.approximate_localization_marker);
+        } else if (sharingLevel.equals(SharingLevel.MANUAL.toString()) ||
+                sharingLevel.equals(SharingLevel.PREDEFINED.toString())) {
+            defaultIcon = IconFactory.getInstance(MapActivity.this).fromResource(R.drawable.manual_localization_marker);
+        } else if (id.equals(myId)) {
+            defaultIcon = IconFactory.getInstance(MapActivity.this).fromResource(R.drawable.my_marker);
+        }
 
-            Intent i = getBaseContext().getPackageManager()
-                    .getLaunchIntentForPackage(getBaseContext().getPackageName());
-            if (i != null) {
-                i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+        return defaultIcon;
+    }
+
+    @SuppressWarnings({"MissingPermission"})
+    private void enableLocationPlugin() {
+        Log.e(tag, "enableLocationPlugin");
+
+        // Check if permissions are enabled and if not request
+        if (PermissionsManager.areLocationPermissionsGranted(this)) {
+            Log.e(tag, "enableLocationPlugin true");
+
+
+            LocationComponentOptions options = LocationComponentOptions.builder(this)
+                    .trackingGesturesManagement(false)
+                    .accuracyColor(ContextCompat.getColor(this, R.color.mapboxGray))
+                    .build();
+
+            // Get an instance of the component
+            locationComponent = mapboxMap.getLocationComponent();
+
+            Log.e(tag + "Last", locationComponent.getLastKnownLocation() + "");
+
+            // Activate with options
+            locationComponent.activateLocationComponent(this, options);
+
+            // Enable to make component visible + camera animation
+            // https://www.mapbox.com/android-docs/maps/overview/location-component/
+            locationComponent.setLocationComponentEnabled(true);
+
+            // Set the component's camera mode
+            locationComponent.setCameraMode(CameraMode.NONE);
+            locationComponent.setRenderMode(RenderMode.COMPASS);
+
+            // Button 4 centring
+            FloatingActionButton myLocFAB = findViewById(R.id.myLocationButton);
+            myLocFAB.setVisibility(View.VISIBLE);
+            myLocFAB.setOnClickListener(v -> {
+
+                Location lastKnownLocation = locationComponent.getLastKnownLocation();
+                if (lastKnownLocation != null) {
+                    MapUtils.makeNewCamera(mapboxMap,
+                            lastKnownLocation.getLatitude(),
+                            lastKnownLocation.getLongitude(),
+                            zoomParam,
+                            bearingParam,
+                            tiltParam,
+                            4000);
+                }
+
+                // Camera aniamtion
+                zoomParam = (zoomParam == 17) ? 19 : 17;
+                bearingParam += 90;
+                tiltParam = (tiltParam == 30) ? 0 : 30;
+            });
+        } else {
+            Log.e(tag, "enableLocationPlugin false");
+
+            permissionsManager = new PermissionsManager(this);
+            permissionsManager.requestLocationPermissions(this);
+            permissionsManager.onRequestPermissionsResult(0, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, new int[]{0});
+
+        }
+    }
+
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        mapView.onSaveInstanceState(outState);
+    }
+
+    @Override
+    protected int getContentViewId() {
+        Mapbox.getInstance(this, getString(R.string.access_token));
+        return R.layout.activity_map;
+    }
+
+    @Override
+    protected int getNavigationMenuItemId() {
+        return R.id.nav_map;
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @android.support.annotation.NonNull String[] permissions, @android.support.annotation.NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+    }
+
+    @Override
+    public void onExplanationNeeded(List<String> permissionsToExplain) {
+        Toast.makeText(this, R.string.user_location_permission_explanation, Toast.LENGTH_LONG).show();
+    }
+
+    @Override
+    public void onPermissionResult(boolean granted) {
+//        if (granted) {
+//            enableLocationPlugin();
+//        } else {
+//            Toast.makeText(this, R.string.user_location_permission_not_granted, Toast.LENGTH_LONG).show();
+//            finish();
+//        }
+    }
+
+
+    @Override
+    public void searchUser(String textToSearch) {
+        getUserFromApi(textToSearch);
+
+        Log.e("LOCALE", LocaleUtils.getCurrentLocale());
+    }
+
+    private void getUserFromApi(String userNameToSearch) {
+        disposable.add(
+                userService.getAllOnlineTutors()
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .map(tutors -> Stream.of(tutors).filter(t ->
+                                t.toSearchAbleUserName().toLowerCase().contains(userNameToSearch.toLowerCase())).toList())
+                        .subscribeWith(new DisposableSingleObserver<List<User>>() {
+                            @Override
+                            public void onSuccess(List<User> users) {
+                                Log.e("USERS", String.valueOf(users));
+                                filterMarkers(users);
+                            }
+
+                            @Override
+                            public void onError(Throwable e) {
+                                showError(e);
+                            }
+                        }));
+    }
+
+    public void filterMarkers(List<User> users) {
+        restoreMapMarkers();
+
+        Icon markedMarker = IconFactory.getInstance(MapActivity.this).fromResource(R.drawable.search_marker);
+        List<MapMarker> markersToSet = Stream.of(mapboxMap.getMarkers())
+                .filter(m -> Stream.of(users).anyMatch(u -> u.getId().equals(markerUserHash.get(m.getId()))))
+                .map(m -> markerUserHash.get(m.getId()))
+                .map(m -> markerHash.get(m))
+                .toList();
+
+        for (MapMarker marker : markersToSet) {
+            marker.getMarker().setIcon(markedMarker);
+
+            if (markersToSet.size() == 1)
+                mapboxMap.selectMarker(marker.getMarker());
+        }
+
+        mapboxMap.getMarkerViewManager().update();
+    }
+
+    public void restoreMapMarkers() {
+        try {
+            for (Marker marker : mapboxMap.getMarkers()) {
+                MapMarker markerMap = markerHash.get(markerUserHash.get(marker.getId()));
+
+                markerMap.restoreDefaultIcon();
+                mapboxMap.deselectMarker(marker);
             }
-            startActivity(i);
-            finish();
-        });
+
+            mapboxMap.getMarkerViewManager().update();
+        } catch (Exception e) {
+            Log.e("MAP", String.valueOf(e));
+        }
+    }
+
+    public void adjustMapToSearch(Integer zoom) {
+        MapUtils.setZoom(mapboxMap, zoom);
     }
 
 
-
-    // Add the mapView lifecycle to the activity's lifecycle methods
     @Override
     public void onResume() {
         super.onResume();
         mapView.onResume();
+        shouldFetchNewCoords = true;
     }
 
     @Override
     protected void onStart() {
         super.onStart();
         mapView.onStart();
+        shouldFetchNewCoords = true;
     }
 
     @Override
     protected void onStop() {
         super.onStop();
         mapView.onStop();
+        shouldFetchNewCoords = false;
     }
 
     @Override
     public void onPause() {
         super.onPause();
         mapView.onPause();
+        shouldFetchNewCoords = false;
     }
 
     @Override
@@ -239,23 +790,8 @@ public class MapActivity extends BaseActivity
     protected void onDestroy() {
         super.onDestroy();
         mapView.onDestroy();
-                mHandler.removeCallbacks(mStatusChecker);
+        mHandler.removeCallbacks(mStatusChecker);
         disposable.dispose();
     }
 
-    @Override
-    protected void onSaveInstanceState(Bundle outState) {
-        super.onSaveInstanceState(outState);
-        mapView.onSaveInstanceState(outState);
-    }
-
-    @Override
-    protected int getContentViewId() {
-        return R.layout.activity_map;
-    }
-
-    @Override
-    protected int getNavigationMenuItemId() {
-        return R.id.nav_map;
-    }
 }

app/src/main/java/com/uam/wmi/findmytutor/activity/SettingsActivity.java

@@ -1,52 +1,94 @@
 package com.uam.wmi.findmytutor.activity;
 
-import android.app.Activity;
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.os.Build;
+import android.content.res.Configuration;
+import android.content.res.Resources;
 import android.os.Bundle;
 import android.preference.EditTextPreference;
 import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.PreferenceFragment;
 import android.preference.PreferenceManager;
+import android.util.DisplayMetrics;
+import android.util.Log;
 import android.view.MenuItem;
+
 import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.utils.LocaleHelper;
+import com.uam.wmi.findmytutor.utils.LocaleUtils;
+import com.uam.wmi.findmytutor.utils.PrefUtils;
+
+
+import java.util.Locale;
+
 
 
 public class SettingsActivity extends AppCompatPreferenceActivity {
     private static final String TAG = SettingsActivity.class.getSimpleName();
 
+    String currentLang;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-       //getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
-        // load settings fragment
         getFragmentManager().beginTransaction().replace(android.R.id.content, new MainPreferenceFragment()).commit();
     }
 
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(LocaleHelper.onAttach(base));
+    }
+
+    public void setLocale(String localeName) {
+            Context context = LocaleHelper.setLocale(this, localeName);
+            Resources res = context.getResources();
+            Locale myLocale = new Locale(localeName);
+            DisplayMetrics dm = res.getDisplayMetrics();
+            Configuration conf = res.getConfiguration();
+            conf.locale = myLocale;
+            res.updateConfiguration(conf, dm);
+            Intent refresh = new Intent(this, MapActivity.class);
+            refresh.putExtra(currentLang, localeName);
+            startActivity(refresh);
+    }
+
     public static class MainPreferenceFragment extends PreferenceFragment {
+        @SuppressLint("ResourceType")
         @Override
         public void onCreate(final Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);
             addPreferencesFromResource(R.layout.pref_main);
 
-            //TODO add on change listeners for preferences
+            Preference languagesList = findPreference(getResources().getString(R.string.key_language));
+            languagesList.setDefaultValue(0);
 
-            // feedback preference click listener
-            Preference myPref = findPreference(getString(R.string.key_send_feedback));
-            myPref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
-                public boolean onPreferenceClick(Preference preference) {
-                    sendFeedback(getActivity());
-                    return true;
+            if(PrefUtils.getLocale(getActivity()).equals("1")){
+                languagesList.setDefaultValue(1);
+            }
+
+            languagesList.setOnPreferenceChangeListener((preference, newValue) -> {
+
+                if (!newValue.toString().equals("0")){
+                    LocaleHelper.setLocale(getActivity(), "pl");
+                    ((SettingsActivity)getActivity()).setLocale("pl");
+                    PrefUtils.storeLocale(getActivity(),"pl");
+                    LocaleHelper.setLocale(getActivity(), "pl");
+                }else{
+                    LocaleHelper.setLocale(getActivity(), "en");
+                    ((SettingsActivity)getActivity()).setLocale("en");
+                    PrefUtils.storeLocale(getActivity(),"en");
                 }
+
+                return true;
             });
         }
 
     }
 
+
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         if (item.getItemId() == android.R.id.home) {
@@ -96,26 +138,8 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
             return true;
         }
     };
-
-    /**
-     * Email client intent to send support mail
-     * Appends the necessary device information to email body
-     * useful when providing support
-     */
-    public static void sendFeedback(Context context) {
-        String body = null;
-        try {
-            body = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName;
-            body = "\n\n-----------------------------\nPlease don't remove this information\n Device OS: Android \n Device OS version: " +
-                    Build.VERSION.RELEASE + "\n App Version: " + body + "\n Device Brand: " + Build.BRAND +
-                    "\n Device Model: " + Build.MODEL + "\n Device Manufacturer: " + Build.MANUFACTURER;
-        } catch (PackageManager.NameNotFoundException e) {
-        }
-        Intent intent = new Intent(Intent.ACTION_SEND);
-        intent.setType("message/rfc822");
-        intent.putExtra(Intent.EXTRA_EMAIL, new String[]{"team@findmytutor.com"});
-        intent.putExtra(Intent.EXTRA_SUBJECT, "Query from android app");
-        intent.putExtra(Intent.EXTRA_TEXT, body);
-        context.startActivity(Intent.createChooser(intent, context.getString(R.string.choose_email_client)));
-    }
 }
+
+
+
+

app/src/main/java/com/uam/wmi/findmytutor/activity/SharingActivity.java

@@ -1,122 +0,0 @@
-package com.uam.wmi.findmytutor.activity;
-
-import android.app.Activity;
-import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.pm.PackageManager;
-import android.os.Build;
-import android.os.Bundle;
-import android.preference.EditTextPreference;
-import android.preference.ListPreference;
-import android.preference.Preference;
-import android.preference.PreferenceFragment;
-import android.preference.PreferenceManager;
-import android.util.Log;
-import android.view.MenuItem;
-import com.uam.wmi.findmytutor.R;
-
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Set;
-
-import static android.content.ContentValues.TAG;
-
-
-public class SharingActivity extends AppCompatPreferenceActivity  {
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        getFragmentManager().beginTransaction().replace(android.R.id.content, new MainPreferenceFragment()).commit();
-    }
-
-    public static class MainPreferenceFragment extends PreferenceFragment {
-        @Override
-        public void onCreate(final Bundle savedInstanceState) {
-            super.onCreate(savedInstanceState);
-            addPreferencesFromResource(R.layout.pref_sharing);
-
-            Preference manualStatus = findPreference("key_manual_status");
-            manualStatus.setOnPreferenceChangeListener((preference, newValue) -> {
-                ListPreference lp = (ListPreference) findPreference("key_status_value");
-                updateListPreference(lp, newValue, "manual_statuses");
-                return true;
-            });
-
-    /*        Preference manualLocation = findPreference("key_sharing_enabled");
-            manualLocation.setOnPreferenceChangeListener((preference, newValue) -> {
-                ListPreference lp = (ListPreference) findPreference("key_sharing_enabled");
-                updateListPreference(lp, newValue, "sharing_enabled");
-                return true;
-            });*/
-
-            Preference sharingLocation = findPreference("key_sharing_enabled");
-            sharingLocation.setOnPreferenceChangeListener((preference, o) -> {
-                Log.e("change", "1");
-                return false;
-            });
-        }
-
-
-        protected void updateListPreference(ListPreference lp,Object newValue,String storageKey){
-            CharSequence [] entries = lp.getEntries();
-            Set <String> defaultEntries = new HashSet(Arrays.asList(entries));
-            SharedPreferences sharedPref = getActivity().getPreferences(Context.MODE_PRIVATE);
-            Set <String> manualStatusSet = sharedPref.getStringSet(storageKey,defaultEntries);
-            manualStatusSet.add((String) newValue);
-            String [] manualStatusArr = manualStatusSet.toArray(new String[0]);
-            Arrays.sort(manualStatusArr);
-            setListPreferenceData(lp.getKey(),manualStatusArr);
-            SharedPreferences.Editor editor = sharedPref.edit();
-            editor.putStringSet(storageKey,manualStatusSet);
-            editor.commit();
-        }
-
-        protected ListPreference setListPreferenceData(String lp_name, String [] entries) {
-            ListPreference lp = (ListPreference) findPreference(lp_name);
-            lp.setEntries(entries);
-            CharSequence[] entryValues = new CharSequence [entries.length];
-
-            for (int i = 0; i < entries.length; i++){
-                entryValues[i] = Integer.toString(i+1);
-            }
-
-            lp.setDefaultValue("1");
-            lp.setEntryValues(entryValues);
-
-            return lp;
-        }
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        if (item.getItemId() == android.R.id.home) {
-            onBackPressed();
-        }
-        return super.onOptionsItemSelected(item);
-    }
-
-    /**
-     * Email client intent to send support mail
-     * Appends the necessary device information to email body
-     * useful when providing support
-     */
-/*    public static void sendFeedback(Context context) {
-        String body = null;
-        try {
-            body = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName;
-            body = "\n\n-----------------------------\nPlease don't remove this information\n Device OS: Android \n Device OS version: " +
-                    Build.VERSION.RELEASE + "\n App Version: " + body + "\n Device Brand: " + Build.BRAND +
-                    "\n Device Model: " + Build.MODEL + "\n Device Manufacturer: " + Build.MANUFACTURER;
-        } catch (PackageManager.NameNotFoundException e) {
-        }
-        Intent intent = new Intent(Intent.ACTION_SEND);
-        intent.setType("message/rfc822");
-        intent.putExtra(Intent.EXTRA_EMAIL, new String[]{"team@findmytutor.com"});
-        intent.putExtra(Intent.EXTRA_SUBJECT, "Query from android app");
-        intent.putExtra(Intent.EXTRA_TEXT, body);
-        context.startActivity(Intent.createChooser(intent, context.getString(R.string.choose_email_client)));
-    }*/
-}

app/src/main/java/com/uam/wmi/findmytutor/activity/SharingFragment.java

@@ -1,85 +1,508 @@
 package com.uam.wmi.findmytutor.activity;
 
+import android.annotation.SuppressLint;
+import android.app.AlertDialog;
+import android.app.FragmentTransaction;
 import android.content.Context;
+import android.content.DialogInterface;
 import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.preference.ListPreference;
 import android.preference.Preference;
+import android.preference.PreferenceCategory;
 import android.preference.PreferenceFragment;
+import android.preference.SwitchPreference;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Toast;
 
+import com.annimon.stream.IntPair;
+import com.annimon.stream.Stream;
+import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
 import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.model.PredefinedCoordViewModel;
+import com.uam.wmi.findmytutor.network.ApiClient;
+import com.uam.wmi.findmytutor.service.PredefinedCoordinatesService;
+import com.uam.wmi.findmytutor.service.PredefinedStatusesService;
+import com.uam.wmi.findmytutor.utils.EnableSharingDialog;
+import com.uam.wmi.findmytutor.utils.LocaleHelper;
+import com.uam.wmi.findmytutor.utils.PrefUtils;
+import com.uam.wmi.findmytutor.utils.RestApiHelper;
+import com.uam.wmi.findmytutor.utils.RightButtonPreference;
+import com.uam.wmi.findmytutor.utils.SharingLevel;
 
+import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Set;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Objects;
 
-//public class SharingFragment {
-//}
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.observers.DisposableSingleObserver;
+import io.reactivex.schedulers.Schedulers;
+import okhttp3.ResponseBody;
 
-public class SharingFragment extends PreferenceFragment {
+import static com.mapbox.mapboxsdk.Mapbox.getApplicationContext;
+
+
+public class SharingFragment extends PreferenceFragment implements SharedPreferences.OnSharedPreferenceChangeListener {
+    protected SwitchPreference locationSharing;
+    protected SwitchPreference statusSwitch;
+    protected Preference locationMode;
+    protected ListPreference manualLocationList;
+    protected PreferenceCategory preferenceCategory;
+    protected RightButtonPreference manualLocationButton;
+    protected RightButtonPreference removeManualLocation;
+    protected RightButtonPreference removeManualStatus;
+    protected Preference manualStatus;
+    protected ListPreference statusList;
+    protected List<PredefinedCoordViewModel> predefinedCoordsList = new ArrayList<>();
+    private HashMap<String, String> locationMap;
+    private ArrayList<String> locationUUIDs;
+    private HashMap<Integer, String> locationLevelMapping;
+    private HashMap<Integer, String> statusMapping;
+    private PredefinedStatusesService statusesService;
+    private PredefinedCoordinatesService locationService;
+    private CompositeDisposable disposable;
+    private AlertDialog.Builder builder;
+    private String[] statusesArray;
+    private boolean statusSwitchFlag;
+    private ArrayList<String> predefinedLocationsList;
+
+    public static SharingFragment newInstance() {
+        return new SharingFragment();
+    }
+
+    void getStatuses(CompositeDisposable disposable) {
+
+        disposable.add(statusesService.getUserPredefinedStatuses(PrefUtils.getUserId(getApplicationContext()))
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribeWith(new DisposableSingleObserver<List<String>>() {
+                    @Override
+                    public void onSuccess(List<String> strings) {
+                        statusesArray = strings.toArray(new String[strings.size()]);
+                        if (strings.isEmpty()) {
+                            disableStatusPreferences();
+                        } else {
+                            enableStatusPreferences();
+                        }
+//                       Log.d("STATUSES",Integer.toString(statusesArray.length ));
+                        setListPreferenceData(statusList, statusesArray, null);
+                    }
+
+                    @Override
+                    public void onError(Throwable e) {
+                        Toast.makeText(getApplicationContext(), R.string.error_status_fetch, Toast.LENGTH_SHORT).show();
+                    }
+
+                }));
+    }
+
+    void getLocations(CompositeDisposable disposable) {
+        disposable.add(locationService.getUserPredefinedCoords(PrefUtils.getUserId(getApplicationContext()))
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribeWith(new DisposableSingleObserver<List<PredefinedCoordViewModel>>() {
+
+                    @Override
+                    public void onSuccess(List<PredefinedCoordViewModel> coords) {
+
+                        String currentCoordId = PrefUtils.getCurrentManualLocation(getApplicationContext());
+                        locationMap = new HashMap<String, String>();
+                        locationUUIDs = new ArrayList<String>();
+                        for (PredefinedCoordViewModel i : coords)
+                            locationMap.put(i.getPredefinedCoordinateId(), i.getName());
+                        for (PredefinedCoordViewModel i : coords)
+                            locationUUIDs.add(i.getPredefinedCoordinateId());
+                        List<String> predefinedLocationsNames = Stream.of(coords).map(PredefinedCoordViewModel::getName).toList();
+                        List<String> predefinedLocationsUUIDs = Stream.of(coords).map(PredefinedCoordViewModel::getPredefinedCoordinateId).toList();
+                        predefinedCoordsList.addAll(coords);
+                        if (!PrefUtils.getLocationLevel(getApplicationContext()).equals("manual")) {
+                            preferenceCategory.removePreference(manualLocationList);
+                            preferenceCategory.removePreference(removeManualLocation);
+                            preferenceCategory.removePreference(manualLocationButton);
+                        } else {
+                            if (!predefinedCoordsList.isEmpty()) {
+
+                                manualLocationList.setEnabled(true);
+                                manualLocationList.setSummary(PrefUtils.getCurrentManualLocationName(getApplicationContext()));
+                                removeManualLocation.setEnabled(true);
+                                locationSharing.setEnabled(true);
+                            }
+                        }
+                        String[] stringnames = predefinedLocationsNames.toArray(new String[0]);
+                        predefinedLocationsList = new ArrayList<>(Arrays.asList(stringnames));
+                        List<Integer> activesId = Stream.of(coords).indexed()
+                                .filter(v -> v.getSecond().getPredefinedCoordinateId().equals(currentCoordId)).map(IntPair::getFirst).toList();
+
+                        if (activesId.size() == 0) {
+                            setListPreferenceData(manualLocationList, stringnames, null);
+                        } else {
+                            setListPreferenceData(manualLocationList, stringnames, activesId.get(0));
+                        }
+
+                    }
+
+                    @Override
+                    public void onError(Throwable e) {
+                        Toast.makeText(getApplicationContext(), R.string.error_location_fetch, Toast.LENGTH_SHORT).show();
+                    }
+                }));
+    }
+
+
+    @SuppressLint("ResourceType")
     @Override
     public void onCreate(final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        addPreferencesFromResource(R.layout.pref_sharing);
-        Preference manualStatus = findPreference("key_manual_status");
-        manualStatus.setOnPreferenceChangeListener((preference, newValue) -> {
-            ListPreference lp = (ListPreference) findPreference("key_status_value");
-            updateListPreference(lp, newValue, "manual_statuses");
+        addPreferencesFromResource(R.xml.pref_sharing);
+        locationSharing = (SwitchPreference) findPreference("key_sharing_enabled");
+        statusSwitch = (SwitchPreference) findPreference("key_status_enabled");
+        locationMode = findPreference("key_location_level");
+        preferenceCategory = (PreferenceCategory) findPreference("category_sharing");
+        manualLocationList = (ListPreference) findPreference("key_manual_location_value");
+        manualLocationButton = (RightButtonPreference) findPreference("manual_location_button");
+        removeManualLocation = (RightButtonPreference) findPreference("remove_manual_location");
+        builder = new AlertDialog.Builder(getActivity());
+        removeManualStatus = (RightButtonPreference) findPreference("remove_manual_status");
+        manualStatus = findPreference("key_manual_status");
+        statusList = (ListPreference) findPreference("key_status_value");
+        statusesService = ApiClient.getClient(getApplicationContext()).create(PredefinedStatusesService.class);
+        locationService = ApiClient.getClient(getApplicationContext()).create(PredefinedCoordinatesService.class);
+        disposable = new CompositeDisposable();
+        statusesArray = new String[0];
+        predefinedLocationsList = new ArrayList<String>();
+        getStatuses(disposable);
+        getLocations(disposable);
+        locationLevelMapping = new HashMap<Integer, String>();
+        locationLevelMapping.put(0, SharingLevel.PRESENCE.toString());
+        locationLevelMapping.put(1, SharingLevel.APPROXIMATED.toString());
+        locationLevelMapping.put(2, SharingLevel.EXACT.toString());
+        locationLevelMapping.put(3, SharingLevel.MANUAL.toString());
+
+        statusMapping = new HashMap<Integer, String>();
+        statusMapping.put(0, "available");
+        statusMapping.put(1, "consultation");
+        statusMapping.put(2, "busy");
+
+        statusList.setSummary(PrefUtils.getUserStatus(getApplicationContext()));
+        manualLocationList.setSummary(PrefUtils.getCurrentManualLocationName(getApplicationContext()));
+
+
+        /** Main sharing switch**/
+        locationSharing.setOnPreferenceChangeListener((buttonView, newValue) -> {
+            PrefUtils.storeEnableSharingLocalization(getApplicationContext(), (Boolean) newValue);
+            ((MapActivity) getActivity()).handleBackgroundTaskLifeCycle();
             return true;
         });
 
-    /*        Preference manualLocation = findPreference("key_sharing_enabled");
-            manualLocation.setOnPreferenceChangeListener((preference, newValue) -> {
-                ListPreference lp = (ListPreference) findPreference("key_sharing_enabled");
-                updateListPreference(lp, newValue, "sharing_enabled");
-                return true;
-            });*/
+        /** Sharing level list **/
+        locationMode.setOnPreferenceChangeListener((preference, newValue) -> {
+            ((MapActivity) getActivity()).stopBackgroundLocalizationTask();
+            ((MapActivity) getActivity()).startBackgroundLocalizationTask();
+            PrefUtils.storeLocationMode(getApplicationContext(), locationLevelMapping.get(Integer.parseInt((String) newValue)));
 
-        Preference sharingLocation = findPreference("key_sharing_enabled");
-        sharingLocation.setOnPreferenceChangeListener((preference, o) -> {
-            Log.e("change", "1");
-            return false;
+            if (PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.MANUAL.toString())) {
+                if (!predefinedCoordsList.isEmpty()) {
+                    preferenceCategory.addPreference(manualLocationList);
+                    preferenceCategory.addPreference(removeManualLocation);
+                }
+                preferenceCategory.addPreference(manualLocationButton);
+            } else {
+                locationSharing.setEnabled(true);
+                preferenceCategory.removePreference(manualLocationList);
+                preferenceCategory.removePreference(manualLocationButton);
+                preferenceCategory.removePreference(removeManualLocation);
+            }
+            return true;
         });
+
+        /** Manual location category hiding when location level is != manual **/
+
+
+        /** Custom manual location list change listener **/
+        manualLocationList.setOnPreferenceChangeListener((preference, newValue) -> {
+            ListPreference lp = (ListPreference) preference;
+            CharSequence[] entries = lp.getEntries();
+            PredefinedCoordViewModel temp = Stream.of(predefinedCoordsList).filter(p -> p.getName().equals(lp.getEntries()[Integer.parseInt((String) newValue)].toString())).toList().get(0);
+
+            //sharing dialog -> ask for start BG
+            if (!PrefUtils.isEnableSharingLocalization(getApplicationContext())) {
+                EnableSharingDialog sharingDialog = new EnableSharingDialog();
+                sharingDialog.show(getFragmentManager(), "Sharing");
+            }
+
+            PrefUtils.putManualLocation(getApplicationContext(), temp.getGeoData(), temp.getApproximatedLocation());
+            PrefUtils.putCurrentManualLocation(getApplicationContext(), temp.getPredefinedCoordinateId());
+            PrefUtils.putCurrentManualLocationName(getApplicationContext(), (String) lp.getEntries()[Integer.parseInt((String) newValue)]);
+            lp.setSummary(lp.getEntries()[Integer.parseInt((String) newValue)]);
+            ((MapActivity) getActivity()).handleBackgroundTaskLifeCycle();
+
+            return true;
+        });
+
+        /** Button 'choose from map' button listener **/
+        manualLocationButton.setOnPreferenceChangeListener((preference, o) -> {
+            FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
+            fragmentTransaction.hide(SharingFragment.this);
+            fragmentTransaction.commit();
+            ((MapActivity) getActivity()).updateNavigationBarState();
+            return true;
+        });
+        statusSwitch.setOnPreferenceChangeListener((preference, newValue) -> true);
+        /** Status list change listener **/
+        statusList.setOnPreferenceChangeListener((preference, newValue) -> {
+            ListPreference lp = (ListPreference) preference;
+            CharSequence[] entries = lp.getEntries();
+            PrefUtils.storeStatus(getApplicationContext(), (String) entries[Integer.parseInt((String) newValue)]);
+            lp.setSummary(entries[Integer.parseInt((String) newValue)]);
+            return true;
+        });
+        statusList.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+
+                if (statusesArray.length == 0) {
+                    builder.setTitle("nie ma wody na pustyni");
+                }
+                return true;
+            }
+        });
+        /** Custom status edittext change listener **/
+        manualStatus.setOnPreferenceChangeListener((preference, newValue) -> {
+
+            disposable.add(statusesService.postUserPredefinedStatus(PrefUtils.getUserId(getApplicationContext()), (String) newValue)
+                    .subscribeOn(Schedulers.io())
+                    .observeOn(AndroidSchedulers.mainThread())
+                    .subscribe(this::handleResponse, this::handleError));
+
+            return true;
+        });
+        removeManualStatus.setOnPreferenceChangeListener((preference, newValue) -> {
+            showRemoveDialog(statusList.getEntries(), "status");
+            return true;
+        });
+
+        removeManualLocation.setOnPreferenceChangeListener(((preference, newValue) -> {
+            showRemoveDialog(manualLocationList.getEntries(), "location");
+            return true;
+
+        }));
+    }
+
+    public void showRemoveDialog(CharSequence[] entries, String service) {
+        boolean[] checked = new boolean[entries.length];
+        ArrayList<String> tobeDeleted = new ArrayList<String>();
+//        Log.d("sharingDialog", "no to siup");
+        builder.setPositiveButton("DELETE", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                for (int i = 0; i < entries.length; i++) {
+                    if (checked[i] == true) {
+                        tobeDeleted.add((String) entries[i]);
+                    }
+                }
+                removeEntries(service, tobeDeleted);
+//               Log.d("MANAGE-PREF",tobeDeleted.toString());
+            }
+        });
+        builder.setMultiChoiceItems(entries, checked, new DialogInterface.OnMultiChoiceClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
+
+            }
+        });
+        builder.create().show();
     }
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         View view = super.onCreateView(inflater, container, savedInstanceState);
-        view.setBackgroundColor(getResources().getColor(android.R.color.white));
+        Objects.requireNonNull(view).setBackgroundColor(getResources().getColor(android.R.color.white));
 
         return view;
     }
 
-    protected void updateListPreference(ListPreference lp,Object newValue,String storageKey){
-        CharSequence [] entries = lp.getEntries();
-        Set<String> defaultEntries = new HashSet(Arrays.asList(entries));
-        SharedPreferences sharedPref = getActivity().getPreferences(Context.MODE_PRIVATE);
-        Set <String> manualStatusSet = sharedPref.getStringSet(storageKey,defaultEntries);
-        manualStatusSet.add((String) newValue);
-        String [] manualStatusArr = manualStatusSet.toArray(new String[0]);
-        Arrays.sort(manualStatusArr);
-        setListPreferenceData(lp.getKey(),manualStatusArr);
-        SharedPreferences.Editor editor = sharedPref.edit();
-        editor.putStringSet(storageKey,manualStatusSet);
-        editor.commit();
+    protected void removeEntries(String service, ArrayList<String> toBeDeleted) {
+
+//       Log.d("MANAGE-PREF", toBeDeleted.toString());
+        if (service.equals("status")) {
+            for (String uuid : toBeDeleted) {
+                disposable.add(statusesService.deleteUserPredefinedStatus(PrefUtils.getUserId(getApplicationContext()), uuid)
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribe(this::handleDeleteStatuses, this::handleError));
+            }
+        } else {
+            ArrayList<String> uuidsToBeDeleted = new ArrayList<String>();
+            for (String name : toBeDeleted) {
+                for (String uuid : locationUUIDs) {
+                    if (locationMap.get(uuid).equals(name)) {
+                        uuidsToBeDeleted.add(uuid);
+                    }
+                }
+            }
+            for (String uuid : uuidsToBeDeleted) {
+//             predefinedCoordsList.removeIf(x -> x.getPredefinedCoordinateId().equals(uuid));
+                predefinedCoordsList.removeAll(Stream.of(predefinedCoordsList).filter(x -> x.getPredefinedCoordinateId().equals(uuid)).toList());
+                disposable.add(locationService.deleteUserPredefinedCoord(PrefUtils.getUserId(getApplicationContext()), uuid)
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribe(this::handleDeleteLocations, this::handleError));
+            }
+        }
     }
 
-    protected ListPreference setListPreferenceData(String lp_name, String [] entries) {
-        ListPreference lp = (ListPreference) findPreference(lp_name);
-        lp.setEntries(entries);
-        CharSequence[] entryValues = new CharSequence [entries.length];
+    protected void setListPreferenceData(ListPreference lp, String[] entries, Integer activeId) {
 
-        for (int i = 0; i < entries.length; i++){
-            entryValues[i] = Integer.toString(i+1);
+        try {
+            lp.setEntries(entries);
+            CharSequence[] entryValues = new CharSequence[entries.length];
+
+            for (int i = 0; i < entries.length; i++) {
+                entryValues[i] = Integer.toString(i);
+            }
+
+            lp.setDefaultValue(0);
+            lp.setEntryValues(entryValues);
+
+            if (entries.length > 0 && activeId != null)
+                lp.setValueIndex(activeId);
+
+        } catch (Exception e) {
+            Log.e("Failed to set listPref", e.getMessage());
         }
 
-        lp.setDefaultValue("1");
-        lp.setEntryValues(entryValues);
-
-        return lp;
     }
+
+    ;
+
+    private void handleResponse(List<String> resp) {
+        if (resp.size() == 1) {
+            enableStatusPreferences();
+            if (PrefUtils.isStatusEnabled(getApplicationContext()) == false) {
+                PrefUtils.enableStatus(getApplicationContext());
+                statusSwitch.setChecked(true);
+            }
+        }
+        String[] statusesArray = resp.toArray(new String[resp.size()]);
+        setListPreferenceData(statusList, statusesArray, resp.size() - 1);
+        statusList.setValueIndex(resp.size() - 1);
+        PrefUtils.storeStatus(getApplicationContext(), resp.get(resp.size() - 1));
+        statusList.setSummary(PrefUtils.getUserStatus(getApplicationContext()));
+    }
+
+    private void handleError(Throwable error) {
+        if (error instanceof HttpException) {
+            ResponseBody responseBody = ((HttpException) error).response().errorBody();
+            Toast.makeText(getApplicationContext(),
+                    RestApiHelper.getErrorMessage(responseBody), Toast.LENGTH_SHORT).show();
+
+        } else {
+            Toast.makeText(getApplicationContext(),
+                    "Network error " + error.getMessage(), Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    private void handleDeleteStatuses(List<String> resp) {
+        if (resp.isEmpty()) {
+            disableStatusPreferences();
+        } else {
+            String[] statusesArray = resp.toArray(new String[resp.size()]);
+            setListPreferenceData(statusList, statusesArray, null);
+            String currentEntry = PrefUtils.getUserStatus(getApplicationContext());
+            if (resp.contains(currentEntry)) {
+                statusList.setValueIndex(resp.indexOf(currentEntry));
+            } else {
+                statusList.setValueIndex(0);
+                statusList.setSummary(resp.get(0));
+            }
+        }
+
+    }
+
+    private void handleDeleteLocations(List<PredefinedCoordViewModel> resp) {
+        getLocations(disposable);
+        String currentEntry = PrefUtils.getCurrentManualLocation(getApplicationContext());
+        if (resp.isEmpty()) {
+            disableManualLocationPreferences();
+        } else {
+            if (!Stream.of(resp).filter(x -> x.getName().equals(currentEntry)).toList().isEmpty()) {
+                for (PredefinedCoordViewModel location : resp) {
+                    if (location.getName().equals(currentEntry)) {
+                        manualLocationList.setValueIndex(resp.indexOf(location));
+                        break;
+                    }
+                }
+            } else {
+                manualLocationList.setValueIndex(0);
+                manualLocationList.setSummary(resp.get(0).getName());
+                //todo czy na pewno w shared pref sa dobre wartosci
+            }
+
+        }
+    }
+
+    private void disableStatusPreferences() {
+        removeManualStatus.setEnabled(false);
+        statusList.setEnabled(false);
+        statusSwitch.setEnabled(false);
+        statusList.setSummary("");
+        PrefUtils.disableStatus(getApplicationContext());
+
+    }
+
+    private void enableStatusPreferences() {
+        removeManualStatus.setEnabled(true);
+        statusList.setEnabled(true);
+        statusSwitch.setEnabled(true);
+        statusList.setSummary(PrefUtils.getUserStatus(getApplicationContext()));
+    }
+
+    private void disableManualLocationPreferences() {
+        removeManualLocation.setEnabled(false);
+        manualLocationList.setEnabled(false);
+        manualLocationList.setSummary("");
+        locationSharing.setChecked(false);
+        locationSharing.setEnabled(false);
+        PrefUtils.disableSharing(getApplicationContext());
+        ((MapActivity) getActivity()).handleBackgroundTaskLifeCycle();
+
+    }
+
+    private void enableManualLocationPreferences() {
+        removeManualLocation.setEnabled(true);
+        manualLocationList.setEnabled(true);
+
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+        locationSharing.setChecked(PrefUtils.isEnableSharingLocalization(getApplicationContext()));
+
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        getPreferenceManager().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
+
+    }
+
+    @Override
+    public void onPause() {
+        getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
+        super.onPause();
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        disposable.dispose();
+    }
+
 }

app/src/main/java/com/uam/wmi/findmytutor/activity/SpecialList.java

@@ -0,0 +1,19 @@
+package com.uam.wmi.findmytutor.activity;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+
+import com.uam.wmi.findmytutor.R;
+
+public abstract class SpecialList extends AppCompatActivity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState){
+        super.onCreate(savedInstanceState);
+        setContentView(getContentViewId());
+
+    }
+
+    abstract int getContentViewId();
+
+
+}

app/src/main/java/com/uam/wmi/findmytutor/activity/StartupActivity.java

@@ -1,31 +1,59 @@
 package com.uam.wmi.findmytutor.activity;
 
 import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
+import android.os.PowerManager;
+import android.provider.Settings;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentManager;
 import android.support.v7.app.AppCompatActivity;
+import android.util.DisplayMetrics;
+import android.widget.ScrollView;
+import android.widget.Toast;
 
 
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.utils.LocaleHelper;
+import com.uam.wmi.findmytutor.utils.MapUtils;
 import com.uam.wmi.findmytutor.utils.PrefUtils;
 
+import java.util.Locale;
+
 public class StartupActivity extends AppCompatActivity {
     private static final int AUTHENTICATION_REQUEST_CODE = 666;
+    String  currentLang;
+
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(LocaleHelper.onAttach(base));
+    }
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
 
         if (PrefUtils.isLoggedIn(getApplicationContext())){
             Intent startupIntent = new Intent(this, MapActivity.class);
+            PrefUtils.storeLocale(getApplicationContext(),PrefUtils.getLocale(getApplicationContext()));
+            startupIntent.putExtra(currentLang, PrefUtils.getLocale(getApplicationContext()));
             startupIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP);
             startActivity(startupIntent);
             finish();
         } else {
             Intent loginIntent = new Intent(this, LoginActivity.class);
             startActivityForResult(loginIntent, AUTHENTICATION_REQUEST_CODE);
+
         }
 
         super.onCreate(savedInstanceState);
-
     }
 
     @Override
@@ -38,4 +66,8 @@ public class StartupActivity extends AppCompatActivity {
 
         finish();
     }
+
+
 }
+
+

app/src/main/java/com/uam/wmi/findmytutor/activity/TimePickerFragment.java

@@ -0,0 +1,49 @@
+package com.uam.wmi.findmytutor.activity;
+import android.annotation.SuppressLint;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.app.TimePickerDialog;
+import android.os.Bundle;
+import android.text.format.DateFormat;
+import android.widget.TextView;
+import android.widget.TimePicker;
+
+import com.uam.wmi.findmytutor.model.DutyHourViewModel;
+
+import java.util.Calendar;
+
+@SuppressLint("ValidFragment")
+public class TimePickerFragment extends DialogFragment
+        implements TimePickerDialog.OnTimeSetListener {
+   private TextView textView;
+   private String field;
+   private DutyHourViewModel duty;
+   @SuppressLint("ValidFragment")
+   public TimePickerFragment(TextView view, DutyHourViewModel duty, String field){
+      this.textView = view;
+      this.duty=duty;
+      this.field=field;
+   }
+   @Override
+   public Dialog onCreateDialog(Bundle savedInstanceState) {
+      // Use the current time as the default values for the picker
+      final Calendar c = Calendar.getInstance();
+      int hour = c.get(Calendar.HOUR_OF_DAY);
+      int minute = c.get(Calendar.MINUTE);
+
+      // Create a new instance of TimePickerDialog and return it
+      return new TimePickerDialog(getActivity(), this, hour, minute,
+              DateFormat.is24HourFormat(getActivity()));
+   }
+
+   public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
+      String time = String.format("%d:%02d",hourOfDay,minute);
+      textView.setText(time);
+      if(field.equals("start")){
+         duty.setStart(time);
+      }else{
+         duty.setEnd(time);
+      }
+      // Do something with the time chosen by the user
+   }
+}

app/src/main/java/com/uam/wmi/findmytutor/activity/TutorTab.java

@@ -0,0 +1,303 @@
+package com.uam.wmi.findmytutor.activity;
+
+import android.content.Context;
+import android.graphics.drawable.ColorDrawable;
+import android.os.Bundle;
+import android.support.design.widget.TextInputEditText;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.Toolbar;
+import android.util.Log;
+import android.view.Gravity;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Button;
+import android.widget.LinearLayout;
+import android.widget.PopupWindow;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.adapters.DutyHoursAdapter;
+import com.uam.wmi.findmytutor.model.DutyHourViewModel;
+import com.uam.wmi.findmytutor.model.TutorTabViewModel;
+import com.uam.wmi.findmytutor.model.User;
+import com.uam.wmi.findmytutor.network.ApiClient;
+import com.uam.wmi.findmytutor.service.TutorTabApi;
+import com.uam.wmi.findmytutor.service.UserService;
+import com.uam.wmi.findmytutor.utils.LocaleHelper;
+import com.uam.wmi.findmytutor.utils.PrefUtils;
+import com.uam.wmi.findmytutor.utils.RestApiHelper;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import butterknife.ButterKnife;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.observers.DisposableSingleObserver;
+import io.reactivex.schedulers.Schedulers;
+import okhttp3.ResponseBody;
+import retrofit2.Response;
+import static java.lang.String.valueOf;
+
+public class TutorTab extends AppCompatActivity {
+    private TutorTabApi tutorTabService;
+    private UserService userService;
+    private CompositeDisposable disposable = new CompositeDisposable();
+    private TextView userName;
+    private TextView userDutyHours;
+    private TextInputEditText userNote;
+    private TextView userRoom;
+    private TextView userEmail;
+    private TextView department;
+    private Button addDutyButton;
+    private Button saveButon;
+    private Button scrapButton;
+    private Boolean ifTutorTabExists = true;
+    private List<DutyHourViewModel> dutyHourList;
+    private RecyclerView dutyHoursRecycller;
+    private DutyHoursAdapter dutyHoursAdapter;
+    private RecyclerView.LayoutManager dutyHoursLayoutManager;
+    private TutorTabViewModel newTab;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
+        setContentView(R.layout.content_tutor_tab);
+        ButterKnife.bind(this);
+
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        toolbar.setTitle(R.string.profile_activity_title);
+        setSupportActionBar(toolbar);
+
+        userName = findViewById(R.id.userName);
+        userNote = findViewById(R.id.userNote);
+        userRoom = findViewById(R.id.userRoom);
+        userEmail = findViewById(R.id.userEmail);
+        department = findViewById(R.id.userDepartment);
+        saveButon = findViewById(R.id.saveButton);
+        scrapButton = findViewById(R.id.scrapTutorTab);
+        addDutyButton = findViewById(R.id.addDuty);
+        dutyHoursRecycller = findViewById(R.id.dutyHourView);
+        dutyHoursLayoutManager = new LinearLayoutManager(this);
+        dutyHoursRecycller.setLayoutManager(dutyHoursLayoutManager);
+
+        tutorTabService = ApiClient.getClient(getApplicationContext())
+                .create(TutorTabApi.class);
+        userService = ApiClient.getClient(getApplicationContext())
+                .create(UserService.class);
+
+        getTutorTab();
+
+        userName.setText(String.format("%s %s", PrefUtils.getUserFirstName(getApplicationContext()), PrefUtils.getUserLastName(getApplicationContext())));
+
+        disposable.add(
+                userService.getUserById(PrefUtils.getUserId(getApplicationContext()))
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribeWith(new DisposableSingleObserver<User>() {
+                            @Override
+                            public void onSuccess(User user) {
+                                department.setText(user.getDepartment());
+                                Log.d("TUTORTAB", (user.getDepartment()));
+
+                            }
+
+                            @Override
+                            public void onError(Throwable e) {
+
+                                showError(e);
+                            }
+                        }));
+        setUpSaveListener(saveButon);
+        scrapButton.setOnClickListener(view -> scrapTutorTab());
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.menu_profile, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+
+        if (item.getItemId()==R.id.action_profile_info_popup){
+            int layoutID = R.layout.info_popup_tutor_tab;
+
+            View popupView = getLayoutInflater().inflate(layoutID,null);
+
+            PopupWindow popupWindow = new PopupWindow(popupView,
+                    LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
+            // If the PopupWindow should be focusable
+            popupWindow.setFocusable(true);
+            // If you need the PopupWindow to dismiss when when touched outside
+            popupWindow.setBackgroundDrawable(new ColorDrawable());
+            // Get the View's(the one that was clicked in the Fragment) location
+            View anchorView=  getWindow().getDecorView().findViewById(android.R.id.content);
+            popupWindow.showAtLocation(anchorView,Gravity.TOP|Gravity.END, 0, 0);
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    private void getTutorTab(){
+        disposable.add(
+                tutorTabService.apiUsersTutorTabByTutorIdGet(PrefUtils.getUserId(getApplicationContext()))
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribeWith(new DisposableSingleObserver<TutorTabViewModel>() {
+                            @Override
+                            public void onSuccess(TutorTabViewModel tutorTabViewModel) {
+
+                                dutyHourList = tutorTabViewModel.getDutyHours();
+                                if(dutyHourList != null){
+                                    dutyHoursAdapter = new DutyHoursAdapter(getApplicationContext(),dutyHourList, getFragmentManager());
+                                    dutyHoursRecycller.setAdapter(dutyHoursAdapter);
+                                    addDutyButton.setOnClickListener(v -> addEmptyDuty(dutyHoursAdapter));
+                                }
+                                userRoom.setText(String.format("%s", tutorTabViewModel.getRoom()));
+                                userEmail.setText(String.format("%s", tutorTabViewModel.getEmailTutorTab()));
+                                if (!tutorTabViewModel.getNote().equals("")) {
+                                    userNote.setText(String.format("%s", tutorTabViewModel.getNote()));
+                                }
+                            }
+
+                            @Override
+                            public void onError(Throwable e) {
+                                int code = 0;
+
+                                if (e instanceof HttpException) {
+                                     code = ((HttpException) e).response().code();
+                                }
+
+                                if( code == 404){
+                                    ifTutorTabExists = false;
+                                    dutyHoursAdapter = new DutyHoursAdapter(getApplicationContext(),new ArrayList<DutyHourViewModel>(), getFragmentManager());
+                                    dutyHoursRecycller.setAdapter(dutyHoursAdapter);
+                                    addDutyButton.setOnClickListener(v -> addEmptyDuty(dutyHoursAdapter));
+                                }
+                                showError(e);
+                            }
+                        }));
+    }
+
+    private void addEmptyDuty(DutyHoursAdapter adapter){
+        adapter.addDuty(new DutyHourViewModel());
+        adapter.notifyItemInserted(adapter.getItemCount());
+        dutyHoursRecycller.scrollToPosition(adapter.getItemCount()-1);
+    }
+
+    private void setUpSaveListener(Button button) {
+        button.setOnClickListener(view -> {
+            if( isEmailValid(userEmail.getText().toString())){
+                newTab = new TutorTabViewModel(PrefUtils.getUserId(getApplicationContext()),
+                        userRoom.getText().toString(),
+                        userEmail.getText().toString(),
+                        userNote.getText().toString(),
+                        dutyHoursAdapter.getDutyList());
+                if(ifTutorTabExists){
+                    putUserTab(newTab);
+                }else{
+                    postUserTab(newTab);
+                    ifTutorTabExists=true;
+                }
+            }else{
+                userEmail.setError(getString(R.string.error_invalid_email));
+            }
+        });
+    }
+
+    private void putUserTab(TutorTabViewModel tutorTabViewModel) {
+        disposable.add(tutorTabService.apiUsersTutorTabByTutorIdPut(PrefUtils.getUserId(getApplicationContext()), tutorTabViewModel)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(this::handleResponsePut, this::handleError));
+    }
+
+    private void postUserTab(TutorTabViewModel tutorTabViewModel) {
+        disposable.add(tutorTabService.apiUsersTutorTabByTutorIdPost(PrefUtils.getUserId(getApplicationContext()), tutorTabViewModel)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(this::handleResponsePost, this::handleError));
+    }
+    private void scrapTutorTab() {
+
+        disposable.add(tutorTabService.apiUsersScrapTutorTabByTutorIdPost(PrefUtils.getUserId(getApplicationContext()))
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(this::handleResponseScrap, this::handleError));
+
+    }
+
+    private void handleResponseScrap() {
+        Toast.makeText(getApplicationContext(), getApplicationContext().getString(R.string.scrap_tutor_msg), Toast.LENGTH_SHORT).show();
+        getTutorTab();
+    }
+
+    private void handleResponsePut(Response<Void> resp) {
+        Toast.makeText(getApplicationContext(), getApplicationContext().getString(R.string.updateToast), Toast.LENGTH_SHORT).show();
+    }
+
+    private void handleResponsePost(TutorTabViewModel tutorTabViewModel ) {
+        Toast.makeText(getApplicationContext(), getApplicationContext().getString(R.string.updateToast), Toast.LENGTH_SHORT).show();
+    }
+
+    private void handleError(Throwable error) {
+        if (error instanceof HttpException) {
+
+            ResponseBody responseBody = ((HttpException) error).response().errorBody();
+            Toast.makeText(getApplicationContext(),
+                    RestApiHelper.getErrorMessage(responseBody), Toast.LENGTH_SHORT).show();
+
+        } else {
+            Toast.makeText(getApplicationContext(),
+                    "Network error " + error.getMessage(), Toast.LENGTH_SHORT).show();
+
+            Log.e("WMI SUCC", String.valueOf(error));
+
+        }
+    }
+
+    private void showError(Throwable e) {
+        String message;
+
+        if (e instanceof HttpException) {
+            ResponseBody responseBody = ((HttpException) e).response().errorBody();
+            message = RestApiHelper.getErrorMessage(responseBody);
+        } else {
+            message = "Network Error!";
+        }
+        Toast.makeText(getApplicationContext(), message, Toast.LENGTH_SHORT).show();
+    }
+
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(LocaleHelper.onAttach(base));
+    }
+
+    public boolean isEmailValid(String email)
+    {
+        String regExpn =
+                "^(([\\w-]+\\.)+[\\w-]+|([a-zA-Z]{1}|[\\w-]{2,}))@"
+                        +"((([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\.([0-1]?"
+                        +"[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\."
+                        +"([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\.([0-1]?"
+                        +"[0-9]{1,2}|25[0-5]|2[0-4][0-9])){1}|"
+                        +"([a-zA-Z]+[\\w-]+\\.)+[a-zA-Z]{2,4})$";
+
+        CharSequence inputStr = email;
+
+        Pattern pattern = Pattern.compile(regExpn,Pattern.CASE_INSENSITIVE);
+        Matcher matcher = pattern.matcher(inputStr);
+
+        return matcher.matches();
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/activity/TutorsListTab.java

@@ -0,0 +1,46 @@
+package com.uam.wmi.findmytutor.activity;
+
+//import android.app.Fragment;
+import android.support.v4.app.Fragment;
+import android.os.Bundle;
+import android.support.v4.app.FragmentTabHost;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.uam.wmi.findmytutor.R;
+
+public class TutorsListTab extends Fragment {
+    private FragmentTabHost mTabHost;
+
+    public TutorsListTab() {
+    }
+
+    public static TutorsListTab newInstance() {
+        return new TutorsListTab();
+    }
+
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+    }
+
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+
+        View rootView = inflater.inflate(R.layout.tutors_list_tabs, container, false);
+
+        mTabHost = rootView.findViewById(android.R.id.tabhost);
+        mTabHost.setup(getActivity(), getFragmentManager(), R.id.realtabcontent);
+
+        mTabHost.addTab(mTabHost.newTabSpec("fragmentb").setIndicator("Fragment B"),
+                UsersListFragment.class, null);
+        mTabHost.addTab(mTabHost.newTabSpec("fragmentc").setIndicator("Fragment C"),
+                UsersListFragment.class, null);
+
+
+
+        return rootView;
+    }
+}
+

app/src/main/java/com/uam/wmi/findmytutor/activity/UsersListFragment.java

@@ -0,0 +1,481 @@
+package com.uam.wmi.findmytutor.activity;
+
+import android.app.Fragment;
+import android.app.FragmentTransaction;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.os.SystemClock;
+import android.support.annotation.NonNull;
+import android.support.design.widget.CoordinatorLayout;
+import android.support.design.widget.Snackbar;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.widget.DefaultItemAnimator;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.SearchView;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.format.DateFormat;
+import android.text.style.ImageSpan;
+import android.util.Log;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.LinearLayout;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import com.annimon.stream.Stream;
+import com.github.ybq.android.spinkit.SpinKitView;
+import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.adapters.TutorsListAdapter;
+import com.uam.wmi.findmytutor.model.Coordinate;
+import com.uam.wmi.findmytutor.model.DutyHourViewModel;
+import com.uam.wmi.findmytutor.model.TutorTabViewModel;
+import com.uam.wmi.findmytutor.model.User;
+import com.uam.wmi.findmytutor.network.ApiClient;
+import com.uam.wmi.findmytutor.service.CoordinateService;
+import com.uam.wmi.findmytutor.service.TutorTabApi;
+import com.uam.wmi.findmytutor.service.UserService;
+import com.uam.wmi.findmytutor.utils.ActiveFragment;
+import com.uam.wmi.findmytutor.utils.MyDividerItemDecoration;
+import com.uam.wmi.findmytutor.utils.PrefUtils;
+import com.uam.wmi.findmytutor.utils.RecyclerTouchListener;
+import com.uam.wmi.findmytutor.utils.RestApiHelper;
+
+import java.text.Collator;
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import io.reactivex.Observable;
+import io.reactivex.ObservableSource;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.disposables.Disposable;
+import io.reactivex.functions.Function;
+import io.reactivex.observers.DisposableObserver;
+import io.reactivex.observers.DisposableSingleObserver;
+import io.reactivex.schedulers.Schedulers;
+import okhttp3.ResponseBody;
+
+import static com.mapbox.mapboxsdk.Mapbox.getApplicationContext;
+
+public class UsersListFragment extends Fragment {
+    private static final String TAG = UsersListFragment.class.getSimpleName();
+
+    @BindView(R.id.coordinator_layout)
+    CoordinatorLayout coordinatorLayout;
+    @BindView(R.id.recycler_view)
+    RecyclerView recyclerView;
+    @BindView(R.id.txt_empty_notes_view)
+    TextView noNotesView;
+    @BindView(R.id.loader)
+    SpinKitView loader;
+
+    private SearchView searchView;
+    private UserService userService;
+    private TutorTabApi tutorTabService;
+    private CoordinateService coordinateService;
+    private CompositeDisposable disposable = new CompositeDisposable();
+    private TutorsListAdapter mAdapter;
+    private List<User> tutorsList = new ArrayList<>();
+    private HashMap<String, String> tutorsTimeStamps = new HashMap<>();
+
+    private Collator plCollator = Collator.getInstance(Locale.forLanguageTag("pl-PL"));
+    private Boolean fetchOnlyOnlineUsers = PrefUtils.getShowOnlyOnlineUsers(getApplicationContext());
+
+    public UsersListFragment() {
+    }
+
+    public static UsersListFragment newInstance() {
+        return new UsersListFragment();
+    }
+
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        mAdapter = new TutorsListAdapter(getActivity().getApplicationContext(), tutorsList, tutorsTimeStamps);
+        View view = inflater.inflate(R.layout.users_list, container, false);
+        view.setBackgroundColor(getResources().getColor(android.R.color.white));
+        setHasOptionsMenu(true);
+        return view;
+    }
+
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        ButterKnife.bind(this, view);
+
+        userService = ApiClient.getClient(getApplicationContext())
+                .create(UserService.class);
+        tutorTabService = ApiClient.getClient(getActivity().getApplicationContext())
+                .create(TutorTabApi.class);
+        coordinateService = ApiClient.getClient(getApplicationContext())
+                .create(CoordinateService.class);
+
+        RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager(getActivity());
+        recyclerView.setLayoutManager(mLayoutManager);
+        recyclerView.setItemAnimator(new DefaultItemAnimator());
+        recyclerView.setVerticalScrollBarEnabled(true);
+        recyclerView.addItemDecoration(new MyDividerItemDecoration(getActivity(), LinearLayoutManager.VERTICAL, 16));
+        recyclerView.setAdapter(mAdapter);
+        noNotesView.setVisibility(View.GONE);
+
+        fetchAllTutors();
+        fetchTopCords();
+
+        recyclerView.addOnItemTouchListener(new RecyclerTouchListener(getActivity().getApplicationContext(),
+                recyclerView, new RecyclerTouchListener.ClickListener() {
+            @Override
+            public void onClick(View view, final int position) {
+                showNoteDialog(tutorsList.get(position));
+            }
+
+            @Override
+            public void onLongClick(View view, int position) {
+            }
+        }));
+
+    }
+
+
+    @Override
+    public void onPrepareOptionsMenu(Menu menu) {
+        super.onPrepareOptionsMenu(menu);
+        try {
+            menu.findItem(R.id.showOnlineUsersOnly).setChecked(fetchOnlyOnlineUsers);
+        } catch (Exception e) {
+            Log.e(TAG, "onPrepareOptionsMenu error");
+        }
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        //item.setChecked(fetchOnlyOnlineUsers);
+        switch (item.getItemId()) {
+            case R.id.showOnlineUsersOnly:
+
+                if (item.isChecked()) {
+                    fetchOnlyOnlineUsers = false;
+                    item.setChecked(false);
+                } else {
+                    item.setChecked(true);
+                    fetchOnlyOnlineUsers = true;
+                }
+
+                PrefUtils.putShowOnlyOnlineUsers(getApplicationContext(), fetchOnlyOnlineUsers);
+                fetchAllTutors();
+                break;
+        }
+
+        return false;
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        inflater.inflate(R.menu.users_list_menu, menu);
+        menu.getItem(0).setChecked(fetchOnlyOnlineUsers);
+
+        MenuItem myActionMenuItem = menu.findItem(R.id.action_search);
+        searchView = (SearchView) myActionMenuItem.getActionView();
+
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+
+    public void searchUser(String textToSearch) {
+        searchTutorInBackend(textToSearch);
+    }
+
+    private void showNoteDialog(final User user) {
+        LayoutInflater layoutInflaterAndroid = LayoutInflater.from(getActivity().getApplicationContext());
+        View view = layoutInflaterAndroid.inflate(R.layout.user_list_modal, null);
+
+        AlertDialog.Builder alertDialogBuilderUserInput = new AlertDialog.Builder(getActivity());
+        alertDialogBuilderUserInput.setView(view);
+
+        alertDialogBuilderUserInput.setNegativeButton(R.string.cancel, (dialog, id) -> {
+            // User cancelled the dialog
+        });
+
+
+        TextView userName = view.findViewById(R.id.userName);
+        ListView userDutyHours = view.findViewById(R.id.userDutyHours);
+        TextView userDutyHoursTitle = view.findViewById(R.id.userDutyHoursTitle);
+        TextView userNote = view.findViewById(R.id.userNote);
+        TextView userRoom = view.findViewById(R.id.userRoom);
+        TextView userEmail = view.findViewById(R.id.userEmail);
+        TextView department = view.findViewById(R.id.userDepartment);
+        TextView userStatusLabel = view.findViewById(R.id.user_status_label);
+        LinearLayout userStatusLabelLL = view.findViewById(R.id.user_status_label_linearLayout);
+
+
+
+        userName.setText(String.format("%s %s", user.getFirstName(), user.getLastName()));
+        Drawable image;
+        if (user.isIsOnline()) {
+            image = this.getResources().getDrawable(R.drawable.user_list_online);
+        } else {
+            image = this.getResources().getDrawable(R.drawable.user_list_offline);
+        }
+
+        if (!user.isIsActive()) {
+            image = this.getResources().getDrawable(R.drawable.user_list_off);
+        }
+
+        Spannable span = new SpannableString("  " + userName.getText());  // or set your text manually
+        image.setBounds(0, 0, image.getIntrinsicWidth(), image.getIntrinsicHeight());
+        ImageSpan imageSpan = new ImageSpan(image);
+        span.setSpan(imageSpan, 0, 1, Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
+        userName.setText(span);
+
+        UsersListFragment usersListFragment = this;
+        disposable.add(
+                tutorTabService.apiUsersTutorTabByTutorIdGet(user.getId())
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribeWith(new DisposableSingleObserver<TutorTabViewModel>() {
+                            @Override
+                            public void onSuccess(TutorTabViewModel tutorTabViewModel) {
+                                final AlertDialog alertDialog;
+                                if (((MapActivity) getActivity()).coordsMap.containsKey(user.getId())) {
+
+                                    alertDialogBuilderUserInput.setPositiveButton(R.string.show_on_map, (dialog, id) -> {
+                                        // User cancelled the dialog
+                                        ((MapActivity) getActivity()).activeFragment = ActiveFragment.NONE;
+                                        FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
+                                        fragmentTransaction.hide(usersListFragment);
+                                        fragmentTransaction.commit();
+                                        ((MapActivity) getActivity()).searchUser(user.getFirstName());
+                                        ((MapActivity) getActivity()).updateNavigationBarState();
+                                    });
+                                }
+                                alertDialog = alertDialogBuilderUserInput.create();
+
+                                String userNoteText = tutorTabViewModel.getNote();
+                                List<String> dutyHoursList = Stream.of(tutorTabViewModel.getDutyHours())
+                                        .map(DutyHourViewModel::getSummary).toList();
+
+                                if (dutyHoursList.isEmpty()) {
+                                    dutyHoursList.add(getString(R.string.lack_duty_hours));
+                                }
+
+                                if (tutorTabViewModel.getNote().isEmpty()) {
+                                    userNoteText = getString(R.string.lack_note);
+                                }
+
+                                userRoom.setText(String.format("%s: %s", getString(R.string.userRoom), tutorTabViewModel.getRoom()));
+                                userEmail.setText(String.format("%s: %s", getString(R.string.userEmail), tutorTabViewModel.getEmailTutorTab()));
+                                userNote.setText(String.format("%s: %s", getString(R.string.userNote), userNoteText));
+                                department.setText(String.format("%s: %s", getString(R.string.userDepartment), user.getDepartment()));
+                                userDutyHoursTitle.setText(String.format("%s:", getString(R.string.userDutyHoursHeader)));
+
+                                Coordinate coordinate = ((MapActivity) getActivity()).coordsMap.get(user.getId());
+                                if (coordinate != null){
+                                    String label = coordinate.getLabel();
+                                    if (!label.isEmpty()) {
+                                        userStatusLabelLL.setVisibility(View.VISIBLE);
+                                        userStatusLabel.setText(String.format("%s: %s", getString(R.string.user_status_label),label));
+                                    }
+                                }
+
+
+                                final ArrayAdapter<String> arrayAdapter = new ArrayAdapter<>(getActivity(),
+                                        R.layout.duty_hours_item, dutyHoursList);
+
+                                userDutyHours.setAdapter(arrayAdapter);
+                                alertDialog.show();
+                            }
+
+                            @Override
+                            public void onError(Throwable e) {
+                                showError(e);
+                            }
+                        }));
+    }
+
+
+    private void fetchAllTutors() {
+        disposable.add(
+                (fetchOnlyOnlineUsers ?
+                        userService.getAllActiveTutors() :
+                        userService.getAllTutors())
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .map(this::mapUsersToSortedList)
+                        .subscribeWith(new DisposableSingleObserver<List<User>>() {
+                            @Override
+                            public void onSuccess(List<User> users) {
+                                tutorsList.clear();
+                                tutorsList.addAll(users);
+                                mAdapter.notifyDataSetChanged();
+                                toggleEmptyNotes();
+                                fetchTopCords();
+                            }
+
+                            @Override
+                            public void onError(Throwable e) {
+                                showError(e);
+                            }
+                        }));
+    }
+
+    private List<User> mapUsersToSortedList(List<User> tutors) {
+        List<User> tutorsList = new ArrayList<>(tutors);
+        List<User> onlineTutors = Stream.of(tutorsList).filter(User::isIsOnline).toList();
+        List<User> activeNotOnlineTutors = Stream.of(tutorsList)
+                .filter(t -> t.isIsActive() && !onlineTutors.contains(t)).toList();
+        List<User> notActiveTutors = Stream.of(tutorsList)
+                .filterNot(User::isIsActive).toList();
+
+        Collections.sort(onlineTutors, this::sortByUserName);
+        Collections.sort(activeNotOnlineTutors, this::sortByUserName);
+        Collections.sort(notActiveTutors, this::sortByUserName);
+
+        List<User> sortedUserList = new ArrayList<>(onlineTutors);
+        sortedUserList.addAll(activeNotOnlineTutors);
+        sortedUserList.addAll(notActiveTutors);
+
+        return sortedUserList;
+    }
+
+    private void searchTutorInBackend(String searchString) {
+        disposable.add(
+                userService.searchUser(searchString)
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribeWith(new DisposableSingleObserver<List<User>>() {
+                            @Override
+                            public void onSuccess(List<User> users) {
+                                tutorsList.clear();
+                                tutorsList.addAll(users);
+                                mAdapter.notifyDataSetChanged();
+                            }
+
+                            @Override
+                            public void onError(Throwable e) {
+                                showSearchError(e);
+                            }
+                        }));
+    }
+
+
+    public void restoreUsersList() {
+        fetchAllTutors();
+        fetchTopCords();
+    }
+
+    private int sortByUserName(User t1, User t2) {
+        return plCollator.compare(t1.getLastName(), t2.getLastName());
+    }
+
+    private void showError(Throwable e) {
+        String message;
+        Log.e(TAG, String.valueOf(e));
+
+        if (e instanceof HttpException) {
+            ResponseBody responseBody = ((HttpException) e).response().errorBody();
+            message = RestApiHelper.getErrorMessage(responseBody);
+        } else {
+            message = getString(R.string.network_err);
+        }
+
+        createSnackbar(message);
+    }
+
+    private void showSearchError(Throwable e) {
+        String message;
+        Log.e(TAG, String.valueOf(e));
+
+        if (e instanceof HttpException) {
+            ResponseBody responseBody = ((HttpException) e).response().errorBody();
+            message = RestApiHelper.getErrorMessage(responseBody);
+        } else {
+            message = getString(R.string.search_null);
+        }
+
+        createSnackbar(message);
+    }
+
+    private void createSnackbar(String msg) {
+        Snackbar snackbar = Snackbar.make(coordinatorLayout, msg, Snackbar.LENGTH_LONG);
+        View view = snackbar.getView();
+        CoordinatorLayout.LayoutParams params = (CoordinatorLayout.LayoutParams) view.getLayoutParams();
+        params.gravity = Gravity.TOP;
+        view.setLayoutParams(params);
+        snackbar.show();
+    }
+
+    private void toggleEmptyNotes() {
+        loader.setVisibility(View.GONE);
+        noNotesView.setVisibility(View.GONE);
+
+        if (tutorsList.size() == 0) {
+            noNotesView.setVisibility(View.VISIBLE);
+            if (fetchOnlyOnlineUsers)
+                noNotesView.setText(R.string.no_online_users);
+            else {
+                noNotesView.setText(R.string.no_offline_users);
+            }
+        }
+    }
+
+
+    public void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+    }
+
+    private void fetchTopCords(){
+        disposable.add(
+                coordinateService.getTopCoordinates()
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribe(this::addTimestamps,this::showError));
+    }
+
+    private void addTimestamps(List<Coordinate> coordinates) {
+        for (Coordinate crd :
+                coordinates) {
+            Long ts = crd.getTimeStamp();
+            tutorsTimeStamps.put(crd.getUserId(), getDate(ts));
+        }
+
+        mAdapter.notifyDataSetChanged();
+    }
+
+    private String getDate(long time) {
+        Calendar cal = Calendar.getInstance(Locale.ENGLISH);
+        cal.setTimeInMillis(time);
+        return DateFormat.format("HH:mm dd/MM", cal).toString();
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        disposable.dispose();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        fetchAllTutors();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+    }
+
+    @Override
+    public void onStop() {
+        super.onStop();
+    }
+
+}

app/src/main/java/com/uam/wmi/findmytutor/activity/WhiteList.java

@@ -0,0 +1,363 @@
+package com.uam.wmi.findmytutor.activity;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.graphics.drawable.ColorDrawable;
+import android.os.Build;
+import android.os.Bundle;
+import android.support.annotation.RequiresApi;
+import android.support.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.DefaultItemAnimator;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.Toolbar;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.PopupWindow;
+import android.widget.Switch;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.github.ybq.android.spinkit.SpinKitView;
+import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.adapters.WhiteListAdapter;
+import com.uam.wmi.findmytutor.model.IsUsingListBool;
+import com.uam.wmi.findmytutor.model.StudentIdModel;
+import com.uam.wmi.findmytutor.model.User;
+import com.uam.wmi.findmytutor.network.ApiClient;
+import com.uam.wmi.findmytutor.service.UserService;
+import com.uam.wmi.findmytutor.utils.LocaleHelper;
+import com.uam.wmi.findmytutor.utils.MyDividerItemDecoration;
+import com.uam.wmi.findmytutor.utils.PrefUtils;
+import com.uam.wmi.findmytutor.utils.RecyclerTouchListener;
+import com.uam.wmi.findmytutor.utils.RestApiHelper;
+import com.uam.wmi.findmytutor.utils.WrapContentLinearLayoutManager;
+
+import java.text.Collator;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Locale;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import io.reactivex.Observable;
+import io.reactivex.ObservableSource;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.disposables.Disposable;
+import io.reactivex.functions.Function;
+import io.reactivex.observers.DisposableObserver;
+import io.reactivex.schedulers.Schedulers;
+import okhttp3.ResponseBody;
+
+public class WhiteList extends AppCompatActivity {
+
+    @BindView(R.id.recycler_view_whitelist)
+    RecyclerView recyclerView;
+    @BindView(R.id.white_list_empty_text_view)
+    TextView noNotesView;
+    @BindView(R.id.switch_whitelist_toggle)
+    Switch aSwitch;
+    @BindView(R.id.add_to_white_list_fab)
+    FloatingActionButton addToWhiteListFab;
+
+    @BindView(R.id.loader)
+    SpinKitView loader;
+
+
+    private CompositeDisposable disposable = new CompositeDisposable();
+    private UserService userService;
+    private boolean didFetched = false;
+    private String tutorId;
+    private WhiteListAdapter mAdapter;
+    private Integer prevSize;
+    private List<User> whitelistedUsers = new ArrayList<>();
+    private Collator plCollator = Collator.getInstance(Locale.forLanguageTag("pl-PL"));
+
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(LocaleHelper.onAttach(base));
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.M)
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
+        setContentView(R.layout.activity_white_list);
+        ButterKnife.bind(this);
+
+        tutorId = PrefUtils.getUserId(getApplicationContext());
+        userService = ApiClient.getClient(getApplicationContext())
+                .create(UserService.class);
+
+        if (PrefUtils.isWhiteListing(this)) {
+            aSwitch.setText(getString(R.string.action_white_list) +" "+getString(R.string.on) );
+            aSwitch.setChecked(true);
+            handleChangeRequest(true);
+        } else {
+            aSwitch.setText(getString(R.string.action_white_list) +" "+getString(R.string.off) );
+            aSwitch.setChecked(false);
+            handleChangeRequest(false);
+        }
+
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        toolbar.setTitle(getString(R.string.activity_title_whitelist));
+        setSupportActionBar(toolbar);
+
+        mAdapter = new WhiteListAdapter(this, whitelistedUsers);
+        recyclerView.setLayoutManager(new WrapContentLinearLayoutManager(getApplicationContext()));
+        recyclerView.setItemAnimator(new DefaultItemAnimator());
+        recyclerView.addItemDecoration(new MyDividerItemDecoration(this, LinearLayoutManager.VERTICAL, 16));
+        recyclerView.setAdapter(mAdapter);
+        noNotesView.setVisibility(View.GONE);
+
+        /**
+         * On long press on RecyclerView item, open alert dialog
+         * with options to choose
+         * Edit and Delete
+         * */
+        recyclerView.addOnItemTouchListener(new RecyclerTouchListener(this,
+                recyclerView, new RecyclerTouchListener.ClickListener() {
+            @Override
+            public void onClick(View view, final int position) {
+            }
+
+            @Override
+            public void onLongClick(View view, int position) {
+            }
+        }));
+
+        addToWhiteListFab.setOnClickListener(this::showFabDialog);
+        fetchWhiteListedUsers();
+        handleSwitch();
+    }
+
+    private Observable<List<String>> getListOfWhitelistedUsers(String userId) {
+        return userService.getTutorWhitelistedByID(userId)
+                .toObservable()
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread());
+    }
+
+    private Observable<User> getUserObservable(String userId) {
+        return userService
+                .getUserById(userId)
+                .toObservable()
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread());
+    }
+
+    private void fetchWhiteListedUsers() {
+        disposable.add(getListOfWhitelistedUsers(tutorId)
+                .doOnSubscribe(this::handleDoOnSubscribe)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .flatMap(Observable::fromIterable)
+                .flatMap(this::getUserObservable)
+                .subscribe(user ->  whitelistedUsers.add(user), this::handleError,this::handleComplete));
+    }
+
+    private void handleDoOnSubscribe(Disposable disposable) {
+        prevSize = whitelistedUsers.size();
+        whitelistedUsers.clear();
+        didFetched = false;
+    }
+
+    private void handleComplete() {
+        Collections.sort(whitelistedUsers, this::sortByUserName);
+        didFetched = true;
+        refreshUI();
+    }
+    private void handleError(Throwable e){
+        showError(e);
+        didFetched = false;
+    }
+
+    private void refreshUI() {
+        toggleEmptyNotes();
+        mAdapter.notifyItemRangeInserted(prevSize, whitelistedUsers.size() - prevSize);
+        mAdapter.notifyDataSetChanged();
+    }
+
+    private int sortByUserName(User t1, User t2) {
+        return plCollator.compare(t1.getLastName(), t2.getLastName());
+    }
+
+    private void showFabDialog(View v) {
+        LayoutInflater layoutInflaterAndroid = LayoutInflater.from(getApplicationContext());
+        @SuppressLint("InflateParams") View view = layoutInflaterAndroid.inflate(R.layout.white_list_fab_modal, null);
+        AlertDialog.Builder alertDialogBuilderUserInput = new AlertDialog.Builder(this);
+
+        alertDialogBuilderUserInput.setView(view).setPositiveButton(getApplicationContext().getString(R.string.modal_location_send), null);
+
+        alertDialogBuilderUserInput
+                .setPositiveButton(R.string.add, null)
+                .setNegativeButton(R.string.cancel, null);
+
+        final AlertDialog alertDialog = alertDialogBuilderUserInput.create();
+        alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
+
+        EditText modalUserInput = view.findViewById(R.id.white_list_modal_input);
+
+        alertDialog.setOnShowListener(dialogInterface -> {
+            Button sendButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
+
+            Button dismissButton = alertDialog.getButton(AlertDialog.BUTTON_NEGATIVE);
+
+            dismissButton.setOnClickListener(view1 -> alertDialog.dismiss());
+
+            sendButton.setOnClickListener(view1 -> {
+                String body = modalUserInput.getText().toString();
+
+                if (TextUtils.isEmpty(body)) {
+                    Toast.makeText(getApplicationContext(), R.string.can_not_be_empty, Toast.LENGTH_SHORT).show();
+                    modalUserInput.requestFocus();
+                } else {
+                    sendUserToWhitelist(body);
+                    alertDialog.dismiss();
+                }
+            });
+        });
+
+        alertDialog.show();
+    }
+
+    private void sendUserToWhitelist(String body) {
+        StudentIdModel studentIdModel = new StudentIdModel(body);
+
+        disposable.add(
+                userService.addStudentToWhitelist(tutorId, studentIdModel)
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribe(this::handleAddUser, this::showError)
+        );
+    }
+
+    private void handleAddUser(User user) {
+        Toast.makeText(this, R.string.add_user_to_list, Snackbar.LENGTH_LONG).show();
+        fetchWhiteListedUsers();
+    }
+
+    private void showError(Throwable e) {
+        String message;
+
+        if (e instanceof HttpException) {
+            ResponseBody responseBody = ((HttpException) e).response().errorBody();
+            message = RestApiHelper.getErrorMessage(responseBody);
+            if (((HttpException) e).response().code() == 404) {
+                message = getString(R.string.no_such_a_user);
+            }
+        } else {
+            message = "Network Error !";
+        }
+        Log.e("ERR", message);
+        Toast.makeText(this, message, Snackbar.LENGTH_LONG).show();
+    }
+
+    private void toggleEmptyNotes() {
+
+        if (didFetched && whitelistedUsers.size() == 0) {
+            noNotesView.setVisibility(View.VISIBLE);
+            noNotesView.setText(R.string.list_is_empty);
+            loader.setVisibility(View.GONE);
+        } else if (whitelistedUsers.size() > 0) {
+            noNotesView.setVisibility(View.GONE);
+            loader.setVisibility(View.GONE);
+        } else {
+            loader.setVisibility(View.VISIBLE);
+        }
+    }
+
+
+
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+
+        if (item.getItemId() == R.id.action_whitelist_info_popup) {
+            int layoutID = R.layout.info_popup_whitelist;
+
+            View popupView = getLayoutInflater().inflate(layoutID, null);
+
+            PopupWindow popupWindow = new PopupWindow(popupView,
+                    LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
+            // If the PopupWindow should be focusable
+            popupWindow.setFocusable(true);
+            // If you need the PopupWindow to dismiss when when touched outside
+            popupWindow.setBackgroundDrawable(new ColorDrawable());
+            // Get the View's(the one that was clicked in the Fragment) location
+            View anchorView = getWindow().getDecorView().findViewById(android.R.id.content);
+            popupWindow.showAtLocation(anchorView, Gravity.TOP | Gravity.END, 0, 0);
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    private void handleSwitch() {
+        aSwitch.setOnCheckedChangeListener((buttonView, isChecked) -> {
+            if (isChecked) {
+                aSwitch.setText(getString(R.string.action_white_list) + " " + getString(R.string.on));
+                handleChangeRequest(true);
+                PrefUtils.useWhitelist(this, true);
+            } else {
+                aSwitch.setText(getString(R.string.action_white_list) + " " + getString(R.string.off));
+                handleChangeRequest(false);
+                PrefUtils.useWhitelist(this, false);
+            }
+        });
+    }
+
+    private void handleChangeRequest(boolean value) {
+        IsUsingListBool isUsingListBool = new IsUsingListBool();
+        isUsingListBool.setIsUsing(value);
+        disposable.add(
+                userService.setTutorWhitelist(tutorId, isUsingListBool)
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribe(() -> {
+                        }, this::showError)
+        );
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+    }
+
+    @Override
+    public void onStop() {
+        super.onStop();
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        disposable.dispose();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.menu_white_list, menu);
+        return true;
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/adapters/BlackListAdapter.java

@@ -0,0 +1,119 @@
+package com.uam.wmi.findmytutor.adapters;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.support.annotation.NonNull;
+import android.support.design.widget.Snackbar;
+import android.support.v7.widget.RecyclerView;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageButton;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.model.StudentIdModel;
+import com.uam.wmi.findmytutor.model.User;
+import com.uam.wmi.findmytutor.network.ApiClient;
+import com.uam.wmi.findmytutor.service.UserService;
+import com.uam.wmi.findmytutor.utils.PrefUtils;
+import com.uam.wmi.findmytutor.utils.RestApiHelper;
+
+import java.util.List;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.schedulers.Schedulers;
+import okhttp3.ResponseBody;
+
+import static com.mapbox.mapboxsdk.Mapbox.getApplicationContext;
+
+
+public class BlackListAdapter extends RecyclerView.Adapter<BlackListAdapter.MyViewHolder> {
+
+    private Context context;
+    private List<User> tutorsList;
+    private CompositeDisposable disposable = new CompositeDisposable();
+    private UserService userService;
+
+    public BlackListAdapter(Context context, List<User> tutors) {
+        this.context = context;
+        this.tutorsList = tutors;
+    }
+
+    @NonNull
+    @Override
+    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        userService = ApiClient.getClient(getApplicationContext())
+                .create(UserService.class);
+        View itemView = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.black_list_row, parent, false);
+
+        return new MyViewHolder(itemView);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
+        Drawable image = null;
+        User tutor = tutorsList.get(position);
+
+        holder.firstName.setText(tutor.getFirstName() + " " + tutor.getLastName());
+        holder.lastName.setText("Index: " + tutor.getLdapLogin() + "  Email: " + tutor.getEmail());
+//"s416196"
+        holder.imageButton.setOnClickListener(l ->{
+            StudentIdModel studentIdModel = new StudentIdModel(tutor.getLdapLogin());
+            String tutorId = PrefUtils.getUserId(getApplicationContext());
+            disposable.add(
+                    userService.removeStudentFromBlacklist(tutorId, studentIdModel)
+                            .subscribeOn(Schedulers.io())
+                            .observeOn(AndroidSchedulers.mainThread())
+                    .subscribe(()->{
+                        Toast.makeText(getApplicationContext(), R.string.user_removed, Toast.LENGTH_SHORT).show();
+                        tutorsList.remove(position);
+                        notifyDataSetChanged();
+                    },this::showError)
+            );
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return tutorsList.size();
+    }
+
+    class MyViewHolder extends RecyclerView.ViewHolder {
+
+        @BindView(R.id.firstName)
+        TextView firstName;
+
+        @BindView(R.id.lastName)
+        TextView lastName;
+
+        @BindView(R.id.removeUserImageButton)
+        ImageButton imageButton;
+
+        MyViewHolder(View view) {
+            super(view);
+            ButterKnife.bind(this, view);
+        }
+    }
+
+    private void showError(Throwable e) {
+        String message;
+
+        if (e instanceof HttpException) {
+            ResponseBody responseBody = ((HttpException) e).response().errorBody();
+            message = RestApiHelper.getErrorMessage(responseBody);
+        } else {
+            message = "Network Error !";
+        }
+
+        Toast.makeText(getApplicationContext(), message, Toast.LENGTH_SHORT).show();
+
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/adapters/DutyHoursAdapter.java

@@ -0,0 +1,181 @@
+package com.uam.wmi.findmytutor.adapters;
+
+import android.app.DialogFragment;
+import android.app.FragmentManager;
+import android.content.Context;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v7.widget.RecyclerView;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageButton;
+import android.widget.TextView;
+import com.annimon.stream.Collectors;
+import com.annimon.stream.Stream;
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.activity.TimePickerFragment;
+import com.uam.wmi.findmytutor.model.DutyHourViewModel;
+import java.util.ArrayList;
+import java.util.List;
+import butterknife.BindView;
+import butterknife.ButterKnife;
+
+
+public class DutyHoursAdapter extends  RecyclerView.Adapter<DutyHoursAdapter.MyViewHolder> {
+    private Context context;
+    private List<DutyHourViewModel> hours;
+    private FragmentManager fragmentManager;
+
+    public DutyHoursAdapter(Context context, List<DutyHourViewModel> hours, FragmentManager fragmentManager) {
+        this.context = context;
+        this.hours = new ArrayList<DutyHourViewModel>(hours);
+        this.fragmentManager = fragmentManager;
+    }
+
+
+    public List<DutyHourViewModel> getDutyList(){
+        ArrayList<DutyHourViewModel> notEmpty = Stream.of(hours).filter(DutyHourViewModel::isValid).collect(Collectors.toCollection(ArrayList::new));
+        return notEmpty;
+    }
+    public void addDuty(DutyHourViewModel duty){
+        hours.add(duty);
+    }
+    private void removeDuty(int pos){
+        hours.remove(pos);
+        this.notifyItemRemoved(pos);
+        Log.d("DutyIndex af rm size",Integer.toString(getItemCount()));
+
+    }
+
+    @NonNull
+    @Override
+    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View itemView = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.duty_hour_row, parent, false);
+
+        return new MyViewHolder(itemView);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
+        DutyHourViewModel duty = hours.get(position);
+        holder.dutyDay.setText(duty.getDay());
+        holder.dutyDay.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                duty.setDay(holder.dutyDay.getText().toString());
+            }
+        });
+        holder.dutyStart.setText(duty.getStart());
+      /*  holder.dutyStart.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                duty.setStart(holder.dutyStart.getText().toString());
+            }
+        });*/
+        holder.dutyStart.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                DialogFragment picker = new TimePickerFragment(holder.dutyStart,duty,"start");
+                picker.show(fragmentManager,"time picker");
+            }
+        });
+        holder.dutyStop.setText(duty.getEnd());
+        holder.dutyStop.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                DialogFragment picker = new TimePickerFragment(holder.dutyStop,duty,"stop");
+                picker.show(fragmentManager,"time picker");
+            }
+        });
+/*        holder.dutyStop.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                duty.setEnd(holder.dutyStop.getText().toString());
+            }
+        });*/
+        holder.deleteRow.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                try{
+//                    Log.d("DutyIndex bf rm size",Integer.toString(getItemCount()));
+//                    Log.d("DutyIndex bf rm pos",Integer.toString(holder.getLayoutPosition()));
+                    removeDuty(holder.getLayoutPosition());
+//                    Log.d("DutyIndex af rm pos",Integer.toString(holder.getLayoutPosition()));
+
+
+                }catch(Error e){
+//                    Log.e("DutyIndex error",e.getMessage());
+//                    Log.e("DutyIndex size",Integer.toString(getItemCount()));
+//                    Log.e("DutyIndex pos",Integer.toString(holder.getAdapterPosition()));
+
+
+                }
+
+            }
+        });
+
+    }
+
+    @Override
+    public int getItemCount() {
+        return hours.size();
+    }
+
+    class MyViewHolder extends RecyclerView.ViewHolder {
+
+        @BindView(R.id.duty_day_value)
+        TextView dutyDay;
+
+        @BindView(R.id.duty_start_value)
+        TextView dutyStart;
+
+        @BindView(R.id.duty_stop_value)
+        TextView dutyStop;
+
+        @BindView(R.id.deleteRow)
+        ImageButton deleteRow;
+
+        MyViewHolder(View view) {
+            super(view);
+            ButterKnife.bind(this, view);
+        }
+    }
+
+
+
+}

app/src/main/java/com/uam/wmi/findmytutor/adapters/TutorsListAdapter.java

@@ -0,0 +1,219 @@
+/*
+package com.uam.wmi.findmytutor.adapters;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.support.annotation.NonNull;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import com.github.ybq.android.spinkit.SpinKitView;
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.model.User;
+
+import java.util.HashMap;
+import java.util.List;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+
+
+public class TutorsListAdapter extends RecyclerView.Adapter<TutorsListAdapter.MyViewHolder> {
+
+    private Context context;
+    private List<User> tutorsList;
+    private HashMap<String, String> tutorsTimeStamps;
+
+    public TutorsListAdapter(Context context, List<User> tutors, HashMap<String,String> tutorsTimeStamps) {
+        this.context = context;
+        this.tutorsList = tutors;
+        this.tutorsTimeStamps = tutorsTimeStamps;
+    }
+    @NonNull
+    @Override
+    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View itemView = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.tutor_list_row, parent, false);
+
+        return new MyViewHolder(itemView);
+    }
+
+    @Override
+        public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
+        Drawable image = null;
+        User tutor = tutorsList.get(position);
+
+        holder.firstName.setText(String.format("%s %s", tutor.getFirstName(), tutor.getLastName()));
+        String ts = tutorsTimeStamps.get(tutor.getId());
+
+        if (tutor.isIsOnline()) {
+            image = context.getResources().getDrawable(R.drawable.user_list_online);
+            holder.lastSeen.setText(R.string.available_now);
+            holder.loader.setVisibility(View.GONE);
+        } else {
+            image = context.getResources().getDrawable(R.drawable.user_list_offline);
+
+            if (ts != null){
+                holder.lastSeen.setText(R.string.last_sign);
+                holder.lastSeen.append(String.format(": %s", ts));
+                holder.loader.setVisibility(View.GONE);
+            }
+        }
+
+        if (!tutor.isIsActive()) {
+            image = context.getResources().getDrawable(R.drawable.user_list_off);
+            if(ts != null){
+                holder.lastSeen.setText(R.string.last_sign);
+                holder.lastSeen.append(String.format(": %s", ts));
+            }else{
+                holder.lastSeen.setVisibility(View.GONE);
+            }
+            holder.loader.setVisibility(View.GONE);
+        }
+
+        image.setBounds(0, 0, image.getIntrinsicWidth(), image.getIntrinsicHeight());
+        holder.isOnline.setCompoundDrawables(image, null, null, null);
+    }
+
+    @Override
+    public int getItemCount() {
+        return tutorsList.size();
+    }
+
+    class MyViewHolder extends RecyclerView.ViewHolder {
+
+        @BindView(R.id.firstName)
+        TextView firstName;
+
+        @BindView(R.id.lastSeen)
+        TextView lastSeen;
+
+        @BindView(R.id.isOnline)
+        TextView isOnline;
+
+        @BindView(R.id.loader)
+        SpinKitView loader;
+
+        MyViewHolder(View view) {
+            super(view);
+            ButterKnife.bind(this, view);
+        }
+    }
+}
+
+
+
+*/
+
+
+package com.uam.wmi.findmytutor.adapters;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.support.annotation.NonNull;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.github.ybq.android.spinkit.SpinKitView;
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.model.User;
+
+import java.util.HashMap;
+import java.util.List;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+
+
+public class TutorsListAdapter extends RecyclerView.Adapter<TutorsListAdapter.MyViewHolder> {
+
+    private Context context;
+    private List<User> tutorsList;
+    private HashMap<String, String> tutorsTimeStamps;
+
+    public TutorsListAdapter(Context context, List<User> tutors, HashMap<String,String> tutorsTimeStamps) {
+        this.context = context;
+        this.tutorsList = tutors;
+        this.tutorsTimeStamps = tutorsTimeStamps;
+    }
+    @NonNull
+    @Override
+    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View itemView = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.tutor_list_row, parent, false);
+
+        return new MyViewHolder(itemView);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
+        Drawable image = null;
+        User tutor = tutorsList.get(position);
+
+        holder.firstName.setText(String.format("%s %s", tutor.getFirstName(), tutor.getLastName()));
+        String ts = tutorsTimeStamps.get(tutor.getId());
+
+        if (tutor.isIsOnline()) {
+            image = context.getResources().getDrawable(R.drawable.user_list_online);
+            holder.lastSeen.setText(R.string.available_now);
+            holder.lastSeen.setVisibility(View.VISIBLE);
+            holder.loader.setVisibility(View.GONE);
+        } else if(tutor.isIsActive()){
+            image = context.getResources().getDrawable(R.drawable.user_list_offline);
+
+            if (ts != null){
+                holder.lastSeen.setText(R.string.last_sign);
+                holder.lastSeen.append(String.format(": %s", ts));
+                holder.loader.setVisibility(View.GONE);
+            }
+        } else {
+            image = context.getResources().getDrawable(R.drawable.user_list_off);
+
+            if(ts == null){
+                holder.lastSeen.setText(R.string.never_logged_in);
+            }else{
+                holder.lastSeen.setText(R.string.last_sign);
+                holder.lastSeen.append(String.format(": %s", ts));
+            }
+            holder.loader.setVisibility(View.GONE);
+        }
+
+        image.setBounds(0, 0, image.getIntrinsicWidth(), image.getIntrinsicHeight());
+        holder.isOnline.setCompoundDrawables(image, null, null, null);
+    }
+
+    @Override
+    public int getItemCount() {
+        return tutorsList.size();
+    }
+
+    class MyViewHolder extends RecyclerView.ViewHolder {
+
+        @BindView(R.id.firstName)
+        TextView firstName;
+
+        @BindView(R.id.lastSeen)
+        TextView lastSeen;
+
+        @BindView(R.id.isOnline)
+        TextView isOnline;
+
+        @BindView(R.id.loader)
+        SpinKitView loader;
+
+        MyViewHolder(View view) {
+            super(view);
+            ButterKnife.bind(this, view);
+        }
+    }
+}
+
+
+

app/src/main/java/com/uam/wmi/findmytutor/adapters/WhiteListAdapter.java

@@ -0,0 +1,117 @@
+package com.uam.wmi.findmytutor.adapters;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.support.annotation.NonNull;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageButton;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.model.StudentIdModel;
+import com.uam.wmi.findmytutor.model.User;
+import com.uam.wmi.findmytutor.network.ApiClient;
+import com.uam.wmi.findmytutor.service.UserService;
+import com.uam.wmi.findmytutor.utils.PrefUtils;
+import com.uam.wmi.findmytutor.utils.RestApiHelper;
+
+import java.util.List;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.schedulers.Schedulers;
+import okhttp3.ResponseBody;
+
+import static com.mapbox.mapboxsdk.Mapbox.getApplicationContext;
+
+
+public class WhiteListAdapter extends RecyclerView.Adapter<WhiteListAdapter.MyViewHolder> {
+
+    private Context context;
+    private List<User> tutorsList;
+    private CompositeDisposable disposable = new CompositeDisposable();
+    private UserService userService;
+
+    public WhiteListAdapter(Context context, List<User> tutors) {
+        this.context = context;
+        this.tutorsList = tutors;
+    }
+    @NonNull
+    @Override
+    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        userService = ApiClient.getClient(getApplicationContext())
+                .create(UserService.class);
+        View itemView = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.white_list_row, parent, false);
+
+        return new MyViewHolder(itemView);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
+        Drawable image = null;
+        User tutor = tutorsList.get(position);
+
+        holder.firstName.setText(tutor.getFirstName() + " " + tutor.getLastName());
+        holder.lastName.setText("Index: " + tutor.getLdapLogin() + " Email: " + tutor.getEmail());
+//""
+        holder.imageButton.setOnClickListener(l ->{
+            StudentIdModel studentIdModel = new StudentIdModel(tutor.getLdapLogin());
+            String tutorId = PrefUtils.getUserId(getApplicationContext());
+            disposable.add(
+                    userService.removeStudentFromWhitelist(tutorId, studentIdModel)
+                            .subscribeOn(Schedulers.io())
+                            .observeOn(AndroidSchedulers.mainThread())
+                    .subscribe(()->{
+                        Toast.makeText(getApplicationContext(), R.string.user_removed, Toast.LENGTH_SHORT).show();
+                        tutorsList.remove(position);
+                        notifyDataSetChanged();
+                    },this::showError)
+            );
+        });
+
+    }
+
+    @Override
+    public int getItemCount() {
+        return tutorsList.size();
+    }
+
+    class MyViewHolder extends RecyclerView.ViewHolder {
+
+        @BindView(R.id.firstName)
+        TextView firstName;
+
+        @BindView(R.id.lastName)
+        TextView lastName;
+
+        @BindView(R.id.removeUserImageButton)
+        ImageButton imageButton;
+
+        MyViewHolder(View view) {
+            super(view);
+            ButterKnife.bind(this, view);
+        }
+    }
+
+    private void showError(Throwable e) {
+        String message;
+
+        if (e instanceof HttpException) {
+            ResponseBody responseBody = ((HttpException) e).response().errorBody();
+            message = RestApiHelper.getErrorMessage(responseBody);
+        } else {
+            message = "Network Error !";
+        }
+        Toast.makeText(getApplicationContext(), message, Toast.LENGTH_SHORT).show();
+
+    }
+
+}

app/src/main/java/com/uam/wmi/findmytutor/model/Coordinate.java

@@ -3,7 +3,9 @@ package com.uam.wmi.findmytutor.model;
 import android.util.Range;
 
 import com.google.gson.annotations.SerializedName;
+import com.uam.wmi.findmytutor.utils.Const;
 
+import java.util.List;
 import java.util.Objects;
 import java.util.UUID;
 
@@ -14,11 +16,9 @@ import io.swagger.annotations.ApiModelProperty;
  */
 
 public class Coordinate extends BaseResponse {
-    Range<Double> latitudeRange = Range.create(52.466709, 52.467007);
-    Range<Double> longtitudeRange = Range.create(16.926159, 16.926976);
-
-    @SerializedName("coordinateId")
-    private UUID coordinateId = null;
+    private Range<Double> latitudeRange = Const.buildingLatitudeRange;
+    private Range<Double> longtitudeRange =  Const.buildingLongitudeRange;
+    private List<String> allowedApproximatedLocations = Const.validApproximatedLocations;
 
     @SerializedName("latitude")
     private Double latitude;
@@ -44,15 +44,18 @@ public class Coordinate extends BaseResponse {
     @SerializedName("label")
     private String label;
 
-    public Coordinate (Double latitude, Double longitude, Double altitude, String label, String userId) {
-       //if (!latitudeRange.contains(latitude)) throw new IllegalArgumentException("Inappropriate latitude value" + latitude);
-       //if (!longtitudeRange.contains(longitude)) throw new IllegalArgumentException("Inappropriate longitude value" + longitude);
+    public Coordinate (Double latitude, Double longitude, Double altitude, String approximatedLocation, String label, String userId, String displayMode) {
+       if (!latitudeRange.contains(latitude)) throw new IllegalArgumentException("Inappropriate latitude value" + latitude);
+       if (!longtitudeRange.contains(longitude)) throw new IllegalArgumentException("Inappropriate longitude value" + longitude);
+       if (!allowedApproximatedLocations.contains(approximatedLocation)) throw new IllegalArgumentException("Inappropriate approximatedLocation");
 
        this.latitude = latitude;
        this.longitude = longitude;
        this.altitude = altitude;
        this.label = label;
        this.userId = userId;
+       this.approximatedLocation = approximatedLocation;
+       this.displayMode = displayMode;
     }
 
     public Coordinate (Double latitude) {
@@ -60,23 +63,9 @@ public class Coordinate extends BaseResponse {
     }
 
     public Coordinate coordinateId(UUID coordinateId) {
-        this.coordinateId = coordinateId;
         return this;
     }
 
-    /**
-     * Get coordinateId
-     * @return coordinateId
-     **/
-    @ApiModelProperty(required = true, value = "")
-    public UUID getCoordinateId() {
-        return coordinateId;
-    }
-
-    public void setCoordinateId(UUID coordinateId) {
-        this.coordinateId = coordinateId;
-    }
-
     public Coordinate latitude(Double latitude) {
         this.latitude = latitude;
         return this;
@@ -230,8 +219,7 @@ public class Coordinate extends BaseResponse {
             return false;
         }
         Coordinate coordinate = (Coordinate) o;
-        return Objects.equals(this.coordinateId, coordinate.coordinateId) &&
-                Objects.equals(this.latitude, coordinate.latitude) &&
+        return  Objects.equals(this.latitude, coordinate.latitude) &&
                 Objects.equals(this.longitude, coordinate.longitude) &&
                 Objects.equals(this.altitude, coordinate.altitude) &&
                 Objects.equals(this.userId, coordinate.userId) &&
@@ -243,7 +231,7 @@ public class Coordinate extends BaseResponse {
 
     @Override
     public int hashCode() {
-        return Objects.hash(coordinateId, latitude, longitude, altitude, userId, approximatedLocation, displayMode, timeStamp, label);
+        return Objects.hash( latitude, longitude, altitude, userId, approximatedLocation, displayMode, timeStamp, label);
     }
 
 
@@ -252,7 +240,6 @@ public class Coordinate extends BaseResponse {
         StringBuilder sb = new StringBuilder();
         sb.append("class Coordinate {\n");
 
-        sb.append("    coordinateId: ").append(toIndentedString(coordinateId)).append("\n");
         sb.append("    latitude: ").append(toIndentedString(latitude)).append("\n");
         sb.append("    longitude: ").append(toIndentedString(longitude)).append("\n");
         sb.append("    altitude: ").append(toIndentedString(altitude)).append("\n");

app/src/main/java/com/uam/wmi/findmytutor/model/DutyHourViewModel.java

@@ -0,0 +1,140 @@
+package com.uam.wmi.findmytutor.model;
+
+
+import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
+import io.swagger.annotations.ApiModelProperty;
+
+
+/**
+ * DutyHourViewModel
+ */
+
+public class DutyHourViewModel {
+    @SerializedName("day")
+    private String day = null;
+
+    @SerializedName("start")
+    private String start = null;
+
+    @SerializedName("end")
+    private String end = null;
+
+    public DutyHourViewModel day(String day) {
+        this.day = day;
+        return this;
+    }
+    public Boolean isValid(){
+        if(this.day.isEmpty()){
+            return false;
+        }else if( !this.start.isEmpty() && this.end.isEmpty() ){
+            return false;
+        }else{
+            return true;
+        }
+    }
+    public DutyHourViewModel(){
+        day="";
+        start="";
+        end="";
+    }
+
+    /**
+     * Get day
+     * @return day
+     **/
+    @ApiModelProperty(value = "")
+    public String getDay() {
+        return day;
+    }
+
+    public void setDay(String day) {
+        this.day = day;
+    }
+
+    public DutyHourViewModel start(String start) {
+        this.start = start;
+        return this;
+    }
+
+    /**
+     * Get start
+     * @return start
+     **/
+    @ApiModelProperty(value = "")
+    public String getStart() {
+        return start;
+    }
+
+    public void setStart(String start) {
+        this.start = start;
+    }
+
+    public DutyHourViewModel end(String end) {
+        this.end = end;
+        return this;
+    }
+
+    /**
+     * Get end
+     * @return end
+     **/
+    @ApiModelProperty(value = "")
+    public String getEnd() {
+        return end;
+    }
+
+    public void setEnd(String end) {
+        this.end = end;
+    }
+
+
+    @Override
+    public boolean equals(java.lang.Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        DutyHourViewModel dutyHourViewModel = (DutyHourViewModel) o;
+        return Objects.equals(this.day, dutyHourViewModel.day) &&
+                Objects.equals(this.start, dutyHourViewModel.start) &&
+                Objects.equals(this.end, dutyHourViewModel.end);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(day, start, end);
+    }
+
+
+    public String getSummary() {
+        return this.getDay() + ": " + this.getStart() + " - " + this.getEnd();
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("class DutyHourViewModel {\n");
+
+        sb.append("    day: ").append(toIndentedString(day)).append("\n");
+        sb.append("    start: ").append(toIndentedString(start)).append("\n");
+        sb.append("    end: ").append(toIndentedString(end)).append("\n");
+        sb.append("}");
+        return sb.toString();
+    }
+
+    /**
+     * Convert the given object to string with each line indented by 4 spaces
+     * (except the first line).
+     */
+    private String toIndentedString(java.lang.Object o) {
+        if (o == null) {
+            return "null";
+        }
+        return o.toString().replace("\n", "\n    ");
+    }
+
+}
+

app/src/main/java/com/uam/wmi/findmytutor/model/Feedback.java

@@ -0,0 +1,178 @@
+package com.uam.wmi.findmytutor.model;
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class Feedback {
+
+    @SerializedName("isAnonymous")
+    @Expose
+    private Boolean isAnonymous;
+    @SerializedName("type")
+    @Expose
+    private String type;
+    @SerializedName("user")
+    @Expose
+    private String user;
+    @SerializedName("deviceOS")
+    @Expose
+    private String deviceOS;
+    @SerializedName("appVersion")
+    @Expose
+    private String appVersion;
+    @SerializedName("deviceModel")
+    @Expose
+    private String deviceModel;
+    @SerializedName("body")
+    @Expose
+    private String body;
+
+    /**
+     * No args constructor for use in serialization
+     *
+     */
+    public Feedback() {
+    }
+
+    /**
+     *
+     * @param body
+     * @param appVersion
+     * @param deviceModel
+     * @param type
+     * @param isAnonymous
+     * @param user
+     * @param deviceOS
+     */
+    public Feedback(Boolean isAnonymous, String type, String user, String deviceOS, String appVersion, String deviceModel, String body) {
+        super();
+        this.isAnonymous = isAnonymous;
+        this.type = type;
+        this.user = user;
+        this.deviceOS = deviceOS;
+        this.appVersion = appVersion;
+        this.deviceModel = deviceModel;
+        this.body = body;
+    }
+
+    public Boolean getIsAnonymous() {
+        return isAnonymous;
+    }
+
+    public void setIsAnonymous(Boolean isAnonymous) {
+        this.isAnonymous = isAnonymous;
+    }
+
+    public Feedback withIsAnonymous(Boolean isAnonymous) {
+        this.isAnonymous = isAnonymous;
+        return this;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public Feedback withType(String type) {
+        this.type = type;
+        return this;
+    }
+
+    public String getUser() {
+        return user;
+    }
+
+    public void setUser(String user) {
+        this.user = user;
+    }
+
+    public Feedback withUser(String user) {
+        this.user = user;
+        return this;
+    }
+
+    public String getDeviceOS() {
+        return deviceOS;
+    }
+
+    public void setDeviceOS(String deviceOS) {
+        this.deviceOS = deviceOS;
+    }
+
+    public Feedback withDeviceOS(String deviceOS) {
+        this.deviceOS = deviceOS;
+        return this;
+    }
+
+    public String getAppVersion() {
+        return appVersion;
+    }
+
+    public void setAppVersion(String appVersion) {
+        this.appVersion = appVersion;
+    }
+
+    public Feedback withAppVersion(String appVersion) {
+        this.appVersion = appVersion;
+        return this;
+    }
+
+    public String getDeviceModel() {
+        return deviceModel;
+    }
+
+    public void setDeviceModel(String deviceModel) {
+        this.deviceModel = deviceModel;
+    }
+
+    public Feedback withDeviceModel(String deviceModel) {
+        this.deviceModel = deviceModel;
+        return this;
+    }
+
+    public String getBody() {
+        return body;
+    }
+
+    public void setBody(String body) {
+        this.body = body;
+    }
+
+    public Feedback withBody(String body) {
+        this.body = body;
+        return this;
+    }
+
+    @Override
+    public String toString() {
+        return Boolean.toString(this.isAnonymous) + this.type + this.user+this.deviceOS+this.appVersion+this.deviceModel+this.body;
+    }
+    //    @Override
+//    public String toString() {
+//        return new ToStringBuilder(this).append("isAnonymous", isAnonymous).append("type", type).append("user", user).append("deviceOS", deviceOS).append("appVersion", appVersion).append("deviceModel", deviceModel).append("body", body).toString();
+//    }
+
+}
+
+//    private Boolean isAnonymous;
+//    @SerializedName("type")
+//    @Expose
+//    private String type;
+//    @SerializedName("user")
+//    @Expose
+//    private String user;
+//    @SerializedName("deviceOS")
+//    @Expose
+//    private String deviceOS;
+//    @SerializedName("appVersion")
+//    @Expose
+//    private String appVersion;
+//    @SerializedName("deviceModel")
+//    @Expose
+//    private String deviceModel;
+//    @SerializedName("body")
+//    @Expose
+//    private String body;

app/src/main/java/com/uam/wmi/findmytutor/model/LdapUser.java

@@ -11,7 +11,7 @@ import io.swagger.annotations.ApiModelProperty;
  * LdapUser
  */
 
-public class LdapUser extends BaseResponse{
+public class LdapUser extends BaseResponse {
   @SerializedName("login")
   private String login = null;
 

app/src/main/java/com/uam/wmi/findmytutor/model/Model.java

@@ -1,3 +1,4 @@
+/*
 package com.uam.wmi.findmytutor.model;
 
 
@@ -14,3 +15,4 @@ public class Model
     }
 
 }
+*/

app/src/main/java/com/uam/wmi/findmytutor/model/PagedResult.java

@@ -1,3 +1,4 @@
+
 package com.uam.wmi.findmytutor.model;
 
 import com.google.gson.annotations.Expose;
@@ -9,7 +10,7 @@ public class PagedResult  {
 
     @SerializedName("results")
     @Expose
-    private List<User> results = null;
+    private List<ReturnedTutors> results = null;
     @SerializedName("currentPage")
     @Expose
     private Integer currentPage;
@@ -29,11 +30,11 @@ public class PagedResult  {
     @Expose
     private Integer lastRowOnPage;
 
-    public List<User> getResults() {
+    public List<ReturnedTutors> getResults() {
         return results;
     }
 
-    public void setResults(List<User> results) {
+    public void setResults(List<ReturnedTutors> results) {
         this.results = results;
     }
 
@@ -86,3 +87,15 @@ public class PagedResult  {
     }
 
 }
+
+
+
+
+
+
+
+
+
+
+
+

app/src/main/java/com/uam/wmi/findmytutor/model/PagedResultReturnedTutors.java

@@ -0,0 +1,89 @@
+package com.uam.wmi.findmytutor.model;
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+import com.uam.wmi.findmytutor.model.Results;
+
+public class PagedResultReturnedTutors extends BaseResponse{
+
+    @SerializedName("results")
+    @Expose
+    private Results results;
+    @SerializedName("currentPage")
+    @Expose
+    private Integer currentPage;
+    @SerializedName("pageCount")
+    @Expose
+    private Integer pageCount;
+    @SerializedName("pageSize")
+    @Expose
+    private Integer pageSize;
+    @SerializedName("rowCount")
+    @Expose
+    private Integer rowCount;
+    @SerializedName("firstRowOnPage")
+    @Expose
+    private Integer firstRowOnPage;
+    @SerializedName("lastRowOnPage")
+    @Expose
+    private Integer lastRowOnPage;
+
+    public Results getResults() {
+        return results;
+    }
+
+    public void setResults(Results results) {
+        this.results = results;
+    }
+
+    public Integer getCurrentPage() {
+        return currentPage;
+    }
+
+    public void setCurrentPage(Integer currentPage) {
+        this.currentPage = currentPage;
+    }
+
+    public Integer getPageCount() {
+        return pageCount;
+    }
+
+    public void setPageCount(Integer pageCount) {
+        this.pageCount = pageCount;
+    }
+
+    public Integer getPageSize() {
+        return pageSize;
+    }
+
+    public void setPageSize(Integer pageSize) {
+        this.pageSize = pageSize;
+    }
+
+    public Integer getRowCount() {
+        return rowCount;
+    }
+
+    public void setRowCount(Integer rowCount) {
+        this.rowCount = rowCount;
+    }
+
+    public Integer getFirstRowOnPage() {
+        return firstRowOnPage;
+    }
+
+    public void setFirstRowOnPage(Integer firstRowOnPage) {
+        this.firstRowOnPage = firstRowOnPage;
+    }
+
+    public Integer getLastRowOnPage() {
+        return lastRowOnPage;
+    }
+
+    public void setLastRowOnPage(Integer lastRowOnPage) {
+        this.lastRowOnPage = lastRowOnPage;
+    }
+
+}
+
+

app/src/main/java/com/uam/wmi/findmytutor/model/PagedResultUserResponseModel.java

@@ -1,5 +1,6 @@
 package com.uam.wmi.findmytutor.model;
 
+import com.google.gson.annotations.Expose;
 import com.google.gson.annotations.SerializedName;
 
 import java.util.ArrayList;
@@ -14,24 +15,31 @@ import io.swagger.annotations.ApiModelProperty;
 
 public class PagedResultUserResponseModel extends BaseResponse {
   @SerializedName("results")
+  @Expose
   private List<UserResponseModel> results = null;
 
   @SerializedName("currentPage")
+  @Expose
   private Integer currentPage = null;
 
   @SerializedName("pageCount")
+  @Expose
   private Integer pageCount = null;
 
   @SerializedName("pageSize")
+  @Expose
   private Integer pageSize = null;
 
   @SerializedName("rowCount")
+  @Expose
   private Integer rowCount = null;
 
   @SerializedName("firstRowOnPage")
+  @Expose
   private Integer firstRowOnPage = null;
 
   @SerializedName("lastRowOnPage")
+  @Expose
   private Integer lastRowOnPage = null;
 
   public PagedResultUserResponseModel results(List<UserResponseModel> results) {

app/src/main/java/com/uam/wmi/findmytutor/model/PredefinedCoordViewModel.java

@@ -0,0 +1,203 @@
+package com.uam.wmi.findmytutor.model;
+import java.util.UUID;
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+import com.mapbox.mapboxsdk.geometry.LatLng;
+
+public class PredefinedCoordViewModel {
+
+    @SerializedName("predefinedCoordinateId")
+    @Expose
+    private String predefinedCoordinateId;
+    /**
+     *
+     * (Required)
+     *
+     */
+    @SerializedName("latitude")
+    @Expose
+    private Double latitude;
+    /**
+     *
+     * (Required)
+     *
+     */
+    @SerializedName("longitude")
+    @Expose
+    private Double longitude;
+    /**
+     *
+     * (Required)
+     *
+     */
+    @SerializedName("altitude")
+    @Expose
+    private Double altitude;
+    /**
+     *
+     * (Required)
+     *
+     */
+    @SerializedName("userId")
+    @Expose
+    private String userId;
+    @SerializedName("approximatedLocation")
+    @Expose
+    private String approximatedLocation;
+    @SerializedName("displayMode")
+    @Expose
+    private String displayMode = "predefined";
+    @SerializedName("name")
+    @Expose
+    private String name;
+
+    /**
+     * No args constructor for use in serialization
+     *
+     */
+    public PredefinedCoordViewModel() {
+    }
+
+    /**
+     *
+     * @param altitude
+     * @param userId
+     * @param displayMode
+     * @param name
+     * @param longitude
+     * @param latitude
+     * @param approximatedLocation
+     */
+    public PredefinedCoordViewModel(Double latitude, Double longitude, Double altitude, String userId, String approximatedLocation, String displayMode, String name) {
+        super();
+        this.latitude = latitude;
+        this.longitude = longitude;
+        this.altitude = altitude;
+        this.userId = userId;
+        this.approximatedLocation = approximatedLocation;
+        this.displayMode = displayMode;
+        this.name = name;
+    }
+
+    public String getPredefinedCoordinateId() {
+        return predefinedCoordinateId;
+    }
+
+    public void setPredefinedCoordinateId(String predefinedCoordinateId) {
+        this.predefinedCoordinateId = predefinedCoordinateId;
+    }
+
+    /**
+     *
+     * (Required)
+     *
+     */
+    public Double getLatitude() {
+        return latitude;
+    }
+
+    /**
+     *
+     * (Required)
+     *
+     */
+    public void setLatitude(Double latitude) {
+        this.latitude = latitude;
+    }
+
+    /**
+     *
+     * (Required)
+     *
+     */
+    public Double getLongitude() {
+        return longitude;
+    }
+
+    /**
+     *
+     * (Required)
+     *
+     */
+    public void setLongitude(Double longitude) {
+        this.longitude = longitude;
+    }
+
+    /**
+     *
+     * (Required)
+     *
+     */
+    public Double getAltitude() {
+        return altitude;
+    }
+
+    /**
+     *
+     * (Required)
+     *
+     */
+    public void setAltitude(Double altitude) {
+        this.altitude = altitude;
+    }
+
+    /**
+     *
+     * (Required)
+     *
+     */
+    public String getUserId() {
+        return userId;
+    }
+
+    /**
+     *
+     * (Required)
+     *
+     */
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+
+    public String getApproximatedLocation() {
+        return approximatedLocation;
+    }
+
+    public void setApproximatedLocation(String approximatedLocation) {
+        this.approximatedLocation = approximatedLocation;
+    }
+
+    public String getDisplayMode() {
+        return displayMode;
+    }
+
+    public void setDisplayMode(String displayMode) {
+        this.displayMode = displayMode;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("class PredefinedCoordinate {\n");
+
+        sb.append("    lat: ").append(latitude).append("\n");
+        sb.append("    long: ").append(longitude).append("\n");
+        sb.append("    att: ").append(altitude).append("\n");
+        sb.append("    userID: ").append(userId).append("\n");
+        sb.append("    approx: ").append(approximatedLocation).append("\n");
+        sb.append("    dispMode: ").append(displayMode).append("\n");
+        sb.append("    name: ").append(name).append("\n");
+        sb.append("}");
+        return sb.toString();
+    }
+    public LatLng getGeoData(){
+        return new LatLng(this.latitude,this.longitude,this.altitude);
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/model/Results.java

@@ -0,0 +1,33 @@
+package com.uam.wmi.findmytutor.model;
+
+
+import java.util.List;
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class Results  extends BaseResponse {
+
+    @SerializedName("tutors")
+    @Expose
+    private List<Tutor> tutors = null;
+    @SerializedName("blacklistersTutors")
+    @Expose
+    private List<Object> blacklistersTutors = null;
+
+    public List<Tutor> getTutors() {
+        return tutors;
+    }
+
+    public void setTutors(List<Tutor> tutors) {
+        this.tutors = tutors;
+    }
+
+    public List<Object> getBlacklistersTutors() {
+        return blacklistersTutors;
+    }
+
+    public void setBlacklistersTutors(List<Object> blacklistersTutors) {
+        this.blacklistersTutors = blacklistersTutors;
+    }
+
+}

app/src/main/java/com/uam/wmi/findmytutor/model/ReturnedTutors.java

@@ -0,0 +1,108 @@
+package com.uam.wmi.findmytutor.model;
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class ReturnedTutors {
+
+    @SerializedName("id")
+    @Expose
+    private String id;
+    @SerializedName("isOnline")
+    @Expose
+    private Boolean isOnline;
+    @SerializedName("title")
+    @Expose
+    private String title;
+    @SerializedName("firstName")
+    @Expose
+    private String firstName;
+    @SerializedName("lastName")
+    @Expose
+    private String lastName;
+    @SerializedName("department")
+    @Expose
+    private String department;
+    @SerializedName("userName")
+    @Expose
+    private String userName;
+    @SerializedName("email")
+    @Expose
+    private String email;
+    @SerializedName("isActive")
+    @Expose
+    private Boolean isActive;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public Boolean getIsOnline() {
+        return isOnline;
+    }
+
+    public void setIsOnline(Boolean isOnline) {
+        this.isOnline = isOnline;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public String getDepartment() {
+        return department;
+    }
+
+    public void setDepartment(String department) {
+        this.department = department;
+    }
+
+    public String getUserName() {
+        return userName;
+    }
+
+    public void setUserName(String userName) {
+        this.userName = userName;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public Boolean getIsActive() {
+        return isActive;
+    }
+
+    public void setIsActive(Boolean isActive) {
+        this.isActive = isActive;
+    }
+
+}

app/src/main/java/com/uam/wmi/findmytutor/model/StudentIdModel.java

@@ -18,6 +18,15 @@ public class StudentIdModel extends BaseResponse{
   @SerializedName("ldapLogin")
   private String ldapLogin = null;
 
+  /**
+   *
+   * @param str
+   */
+  public StudentIdModel(String str){
+//    this.studentId = str;
+    this.ldapLogin = str;
+  }
+
   public StudentIdModel studentId(String studentId) {
     this.studentId = studentId;
     return this;

app/src/main/java/com/uam/wmi/findmytutor/model/Tutor.java

@@ -0,0 +1,109 @@
+package com.uam.wmi.findmytutor.model;
+
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class Tutor {
+
+    @SerializedName("id")
+    @Expose
+    private String id;
+    @SerializedName("isOnline")
+    @Expose
+    private Boolean isOnline;
+    @SerializedName("title")
+    @Expose
+    private String title;
+    @SerializedName("firstName")
+    @Expose
+    private String firstName;
+    @SerializedName("lastName")
+    @Expose
+    private String lastName;
+    @SerializedName("department")
+    @Expose
+    private String department;
+    @SerializedName("userName")
+    @Expose
+    private String userName;
+    @SerializedName("email")
+    @Expose
+    private String email;
+    @SerializedName("isActive")
+    @Expose
+    private Boolean isActive;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public Boolean getIsOnline() {
+        return isOnline;
+    }
+
+    public void setIsOnline(Boolean isOnline) {
+        this.isOnline = isOnline;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public String getDepartment() {
+        return department;
+    }
+
+    public void setDepartment(String department) {
+        this.department = department;
+    }
+
+    public String getUserName() {
+        return userName;
+    }
+
+    public void setUserName(String userName) {
+        this.userName = userName;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public Boolean getIsActive() {
+        return isActive;
+    }
+
+    public void setIsActive(Boolean isActive) {
+        this.isActive = isActive;
+    }
+
+}

app/src/main/java/com/uam/wmi/findmytutor/model/TutorTabViewModel.java

@@ -0,0 +1,211 @@
+package com.uam.wmi.findmytutor.model;
+
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
+
+import io.swagger.annotations.ApiModelProperty;
+
+import java.util.UUID;
+
+/**
+ * TutorTabViewModel
+ */
+
+public class TutorTabViewModel {
+    @SerializedName("tutorTabId")
+    private UUID tutorTabId = null;
+
+    @SerializedName("userId")
+    private String userId = null;
+
+    @SerializedName("room")
+    private String room = "";
+
+    @SerializedName("emailTutorTab")
+    private String emailTutorTab = "";
+
+    @SerializedName("note")
+    private String note = "";
+
+    @SerializedName("dutyHours")
+    private List<DutyHourViewModel> dutyHours = null;
+
+    public TutorTabViewModel(String userId, String room, String email, String note, List<DutyHourViewModel> dutyHours){
+        this.userId=userId;
+        this.room=room;
+        this.emailTutorTab=email;
+        this.note=note;
+        this.dutyHours = new ArrayList<DutyHourViewModel>(dutyHours);
+    }
+
+    public TutorTabViewModel tutorTabId(UUID tutorTabId) {
+        this.tutorTabId = tutorTabId;
+        return this;
+    }
+
+
+    /**
+     * Get tutorTabId
+     * @return tutorTabId
+     **/
+    @ApiModelProperty(value = "")
+    public UUID getTutorTabId() {
+        return tutorTabId;
+    }
+
+    public void setTutorTabId(UUID tutorTabId) {
+        this.tutorTabId = tutorTabId;
+    }
+
+    public TutorTabViewModel userId(String userId) {
+        this.userId = userId;
+        return this;
+    }
+
+    /**
+     * Get userId
+     * @return userId
+     **/
+    @ApiModelProperty(value = "")
+    public String getUserId() {
+        return userId;
+    }
+
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+
+    public TutorTabViewModel room(String room) {
+        this.room = room;
+        return this;
+    }
+
+    /**
+     * Get room
+     * @return room
+     **/
+    @ApiModelProperty(value = "")
+    public String getRoom() {
+        return room;
+    }
+
+    public void setRoom(String room) {
+        this.room = room;
+    }
+
+    public TutorTabViewModel emailTutorTab(String emailTutorTab) {
+        this.emailTutorTab = emailTutorTab;
+        return this;
+    }
+
+    /**
+     * Get emailTutorTab
+     * @return emailTutorTab
+     **/
+    @ApiModelProperty(value = "")
+    public String getEmailTutorTab() {
+        return emailTutorTab;
+    }
+
+    public void setEmailTutorTab(String emailTutorTab) {
+        this.emailTutorTab = emailTutorTab;
+    }
+
+    public TutorTabViewModel note(String note) {
+        this.note = note;
+        return this;
+    }
+
+
+    public String getNote() {
+        if(note == null)
+            return "";
+
+        return note;
+    }
+
+    public void setNote(String note) {
+        this.note = note;
+    }
+
+    public TutorTabViewModel dutyHours(List<DutyHourViewModel> dutyHours) {
+        this.dutyHours = dutyHours;
+        return this;
+    }
+
+    public TutorTabViewModel addDutyHoursItem(DutyHourViewModel dutyHoursItem) {
+        if (this.dutyHours == null) {
+            this.dutyHours = new ArrayList<DutyHourViewModel>();
+        }
+        this.dutyHours.add(dutyHoursItem);
+        return this;
+    }
+
+    /**
+     * Get dutyHours
+     * @return dutyHours
+     **/
+    @ApiModelProperty(value = "")
+    public List<DutyHourViewModel> getDutyHours() {
+        return dutyHours;
+    }
+
+    public void setDutyHours(List<DutyHourViewModel> dutyHours) {
+        this.dutyHours = dutyHours;
+    }
+
+
+    @Override
+    public boolean equals(java.lang.Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        TutorTabViewModel tutorTabViewModel = (TutorTabViewModel) o;
+        return Objects.equals(this.tutorTabId, tutorTabViewModel.tutorTabId) &&
+                Objects.equals(this.userId, tutorTabViewModel.userId) &&
+                Objects.equals(this.room, tutorTabViewModel.room) &&
+                Objects.equals(this.emailTutorTab, tutorTabViewModel.emailTutorTab) &&
+                Objects.equals(this.note, tutorTabViewModel.note) &&
+                Objects.equals(this.dutyHours, tutorTabViewModel.dutyHours);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(tutorTabId, userId, room, emailTutorTab, note, dutyHours);
+    }
+
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("class TutorTabViewModel {\n");
+
+        sb.append("    tutorTabId: ").append(toIndentedString(tutorTabId)).append("\n");
+        sb.append("    userId: ").append(toIndentedString(userId)).append("\n");
+        sb.append("    room: ").append(toIndentedString(room)).append("\n");
+        sb.append("    emailTutorTab: ").append(toIndentedString(emailTutorTab)).append("\n");
+        sb.append("    note: ").append(toIndentedString(note)).append("\n");
+        sb.append("    dutyHours: ").append(toIndentedString(dutyHours)).append("\n");
+        sb.append("}");
+        return sb.toString();
+    }
+
+    /**
+     * Convert the given object to string with each line indented by 4 spaces
+     * (except the first line).
+     */
+    private String toIndentedString(java.lang.Object o) {
+        if (o == null) {
+            return "null";
+        }
+        return o.toString().replace("\n", "\n    ");
+    }
+
+}
+

app/src/main/java/com/uam/wmi/findmytutor/model/ValidateUser.java

@@ -0,0 +1,94 @@
+package com.uam.wmi.findmytutor.model;
+
+import com.google.gson.annotations.SerializedName;
+
+import java.util.Objects;
+
+import io.swagger.annotations.ApiModelProperty;
+
+
+/**
+ * ValidateUser
+ */
+
+public class ValidateUser extends BaseResponse {
+    @SerializedName("login")
+    private String login = null;
+
+    @SerializedName("password")
+    private String password = null;;
+
+    public ValidateUser(String login, String password) {
+        this.login = login;
+        this.password = password;
+    }
+
+    public ValidateUser login(String login) {
+        this.login = login;
+        return this;
+    }
+
+    /**
+     * Get login
+     * @return login
+     **/
+    @ApiModelProperty(required = true, value = "")
+    public String getLogin() {
+        return login;
+    }
+
+    public void setLogin(String login) {
+        this.login = login;
+    }
+
+    public ValidateUser password(String password) {
+        this.password = password;
+        return this;
+    }
+
+
+
+    @Override
+    public boolean equals(java.lang.Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        ValidateUser ValidateUser = (ValidateUser) o;
+        return Objects.equals(this.login, ValidateUser.login) &&
+                Objects.equals(this.password, ValidateUser.password);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(login, password);
+    }
+
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("class ValidateUser {\n");
+
+        sb.append("    login: ").append(toIndentedString(login)).append("\n");
+        sb.append("    password: ").append(toIndentedString(password)).append("\n");
+
+        sb.append("}");
+        return sb.toString();
+    }
+
+    /**
+     * Convert the given object to string with each line indented by 4 spaces
+     * (except the first line).
+     */
+    private String toIndentedString(java.lang.Object o) {
+        if (o == null) {
+            return "null";
+        }
+        return o.toString().replace("\n", "\n    ");
+    }
+
+}
+

app/src/main/java/com/uam/wmi/findmytutor/network/ApiClient.java

@@ -4,15 +4,20 @@ import android.content.Context;
 import android.text.TextUtils;
 
 import com.jakewharton.retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
+import com.uam.wmi.findmytutor.utils.Const;
 import com.uam.wmi.findmytutor.utils.PrefUtils;
 
 import java.io.IOException;
+import java.util.Collections;
 import java.util.concurrent.TimeUnit;
 
+import okhttp3.CipherSuite;
+import okhttp3.ConnectionSpec;
 import okhttp3.Interceptor;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.Response;
+import okhttp3.TlsVersion;
 import okhttp3.logging.HttpLoggingInterceptor;
 import retrofit2.Retrofit;
 import retrofit2.converter.gson.GsonConverterFactory;
@@ -22,7 +27,6 @@ public class ApiClient {
         private static Retrofit retrofit = null;
         private static int REQUEST_TIMEOUT = 60;
         private static OkHttpClient okHttpClient;
-        private static final String BASE_URL = "https://s416084.projektstudencki.pl/develop/";
 
         public static Retrofit getClient(Context context) {
 
@@ -31,45 +35,45 @@ public class ApiClient {
 
             if (retrofit == null) {
                 retrofit = new Retrofit.Builder()
-                        .baseUrl(BASE_URL)
+                        .baseUrl(Const.BASE_URL)
                         .client(okHttpClient)
-                        .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                         .addConverterFactory(GsonConverterFactory.create())
+                        .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                         .build();
             }
+
             return retrofit;
         }
 
-        private static void initOkHttp(final Context context) {
-            OkHttpClient.Builder httpClient = new OkHttpClient().newBuilder()
-                    .connectTimeout(REQUEST_TIMEOUT, TimeUnit.SECONDS)
-                    .readTimeout(REQUEST_TIMEOUT, TimeUnit.SECONDS)
-                    .writeTimeout(REQUEST_TIMEOUT, TimeUnit.SECONDS);
+    private static void initOkHttp(final Context context) {
 
-            HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
-            interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
+        OkHttpClient.Builder httpClient = new OkHttpClient().newBuilder()
+                .connectTimeout(REQUEST_TIMEOUT, TimeUnit.SECONDS)
+                .readTimeout(REQUEST_TIMEOUT, TimeUnit.SECONDS)
+                .writeTimeout(REQUEST_TIMEOUT, TimeUnit.SECONDS);
 
-            httpClient.addInterceptor(interceptor);
+        HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
+        interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
 
-            httpClient.addInterceptor(new Interceptor() {
-                @Override
-                public Response intercept(Chain chain) throws IOException {
-                    Request original = chain.request();
-                    Request.Builder requestBuilder = original.newBuilder()
-                            .addHeader("Accept", "application/json")
-                            .addHeader("Content-Type", "application/json");
+        httpClient.addInterceptor(interceptor);
 
-                    // Adding Authorization token (API Key)
-                    // Requests will be denied without API key
-                    if (!TextUtils.isEmpty(PrefUtils.getApiKey(context))) {
-                        requestBuilder.addHeader("Authorization", "Bearer "  + PrefUtils.getApiKey(context));
-                    }
+        httpClient.addInterceptor(chain -> {
+            Request original = chain.request();
+            Request.Builder requestBuilder = original.newBuilder()
+                    .addHeader("Accept", "application/json")
+                    .addHeader("Content-Type", "application/json");
 
-                    Request request = requestBuilder.build();
-                    return chain.proceed(request);
-                }
-            });
 
-            okHttpClient = httpClient.build();
-        }
-    };
+            // Adding Authorization token (API Key)
+            // Requests will be denied without API key
+            if (!TextUtils.isEmpty(PrefUtils.getApiKey(context))) {
+                requestBuilder.addHeader("Authorization", "Bearer " + PrefUtils.getApiKey(context));
+            }
+
+            Request request = requestBuilder.build();
+            return chain.proceed(request);
+        });
+
+        okHttpClient = httpClient.build();
+    }
+};

app/src/main/java/com/uam/wmi/findmytutor/network/RetrofitClientInstance.java

@@ -1,54 +0,0 @@
-package com.uam.wmi.findmytutor.network;
-
-import com.jakewharton.retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
-
-import okhttp3.OkHttpClient;
-import okhttp3.Request;
-import okhttp3.logging.HttpLoggingInterceptor;
-import retrofit2.Retrofit;
-import retrofit2.converter.gson.GsonConverterFactory;
-
-public class RetrofitClientInstance {
-
-    private static final String BASE_URL = "https://s416084.projektstudencki.pl/develop/";
-
-    private static Retrofit.Builder builder
-            = new Retrofit.Builder()
-            .baseUrl(BASE_URL)
-            .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
-            .addConverterFactory(GsonConverterFactory.create());
-
-    private static Retrofit retrofit = builder.build();
-
-    private static OkHttpClient.Builder httpClient
-            = new OkHttpClient.Builder();
-
-    private static HttpLoggingInterceptor logging
-            = new HttpLoggingInterceptor()
-            .setLevel(HttpLoggingInterceptor.Level.BASIC);
-
-    public static <S> S createService(Class<S> serviceClass) {
-        if (!httpClient.interceptors().contains(logging)) {
-            httpClient.addInterceptor(logging);
-            builder.client(httpClient.build());
-            retrofit = builder.build();
-        }
-        return retrofit.create(serviceClass);
-    }
-
-    public static <S> S createService(Class<S> serviceClass, final String token) {
-        if (token != null) {
-            httpClient.interceptors().clear();
-            httpClient.addInterceptor(chain -> {
-                Request original = chain.request();
-                Request.Builder builder1 = original.newBuilder()
-                        .header("Authorization", "Bearer " + token);
-                Request request = builder1.build();
-                return chain.proceed(request);
-            });
-            builder.client(httpClient.build());
-            retrofit = builder.build();
-        }
-        return retrofit.create(serviceClass);
-    }
-}

app/src/main/java/com/uam/wmi/findmytutor/service/BackgroundLocalizationService.java

@@ -6,90 +6,88 @@ import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.app.Service;
+import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.graphics.Color;
 import android.location.Location;
+import android.location.LocationListener;
 import android.location.LocationManager;
 import android.os.AsyncTask;
 import android.os.Build;
-import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
+import android.os.Looper;
 import android.support.annotation.RequiresApi;
 import android.support.v4.app.ActivityCompat;
 import android.support.v4.app.NotificationCompat;
 import android.util.Log;
-import android.content.Context;
 
-import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
+import com.annimon.stream.Stream;
+import com.google.android.gms.location.FusedLocationProviderClient;
+import com.google.android.gms.location.LocationCallback;
+import com.google.android.gms.location.LocationRequest;
+import com.google.android.gms.location.LocationResult;
+import com.google.android.gms.location.LocationServices;
+import com.mapbox.geojson.Point;
+import com.mapbox.mapboxsdk.geometry.LatLng;
 import com.uam.wmi.findmytutor.model.Coordinate;
 import com.uam.wmi.findmytutor.network.ApiClient;
+import com.uam.wmi.findmytutor.utils.ApproximatedLocalization;
+import com.uam.wmi.findmytutor.utils.Const;
+import com.uam.wmi.findmytutor.utils.MapUtils;
 import com.uam.wmi.findmytutor.utils.PrefUtils;
-import com.uam.wmi.findmytutor.utils.RestApiHelper;
+import com.uam.wmi.findmytutor.utils.SharingLevel;
+import com.uam.wmi.findmytutor.utils.WifiUtils;
 
-import org.json.JSONObject;
+import org.apache.commons.collections4.queue.CircularFifoQueue;
 
-import java.io.IOException;
-import java.io.InterruptedIOException;
-import java.lang.reflect.Array;
-import java.net.SocketTimeoutException;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Timer;
-import java.util.TimerTask;
 
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
-import io.reactivex.observers.DisposableSingleObserver;
+import io.reactivex.observers.DisposableCompletableObserver;
 import io.reactivex.schedulers.Schedulers;
-import okhttp3.ResponseBody;
-import timber.log.Timber;
+
+import static com.uam.wmi.findmytutor.utils.Const.offlineBackgroundLocationInterval;
+import static com.uam.wmi.findmytutor.utils.Const.onlineBackgroundLocationInterval;
+import static com.uam.wmi.findmytutor.utils.Const.presenceApproximatedName;
+import static com.uam.wmi.findmytutor.utils.Const.presenceLatitude;
+import static com.uam.wmi.findmytutor.utils.Const.presenceLongitude;
+import static com.uam.wmi.findmytutor.utils.PrefUtils.storeBackgroundLocationStatus;
+import static java.lang.String.valueOf;
 
 public class BackgroundLocalizationService extends Service {
 
-    public static String str_receiver = "background.location.broadcast";
     private static final String TAG = "MyLocationService";
-    private LocationManager mLocationManager = null;
-    private static final int LOCATION_INTERVAL = 1000;
-    private static final float LOCATION_DISTANCE = 10f;
-    private static long notify_interval = 10000;
+    private static Integer notify_interval = onlineBackgroundLocationInterval;
+    private static Integer notify_interval_inside_building = onlineBackgroundLocationInterval;
+    private static Integer notify_interval_outside_building = offlineBackgroundLocationInterval;
+    private static int coordinatesHistoryLength = 10;
+    private Boolean highAccuracyMode;
+    private Location mLastLocation;
+    private Boolean stopService = false;
+    private ArrayList<String> providers = new ArrayList<String>();
+    private CircularFifoQueue<Location> coordinatesHistory = new CircularFifoQueue<Location>(coordinatesHistoryLength);
     private Handler mHandler = new Handler();
+    private Runnable mStatusChecker;
+    private FusedLocationProviderClient mFusedLocationClient;
+    private Location fakeLoc = null;
+    private LocationRequest mLocationRequest;
+    private Location mCurrentLocation;
+    private LocationCallback mLocationCallback;
+    private LocationListener mLocationListener;
 
-    Location mLastLocation;
-    Intent intent;
+    public BackgroundLocalizationService() {
+        providers.add(LocationManager.GPS_PROVIDER);
+        providers.add(LocationManager.NETWORK_PROVIDER);
+        providers.add(LocationManager.PASSIVE_PROVIDER);
+        fakeLoc = new Location("");
 
-    ArrayList<String> providers = new ArrayList<String>();
-    LocationListener[] mLocationListeners ;
-
-    private class LocationListener implements android.location.LocationListener {
-
-        public LocationListener(String provider) {
-            Log.e(TAG, "LocationListener " + provider);
-            mLastLocation = new Location(provider);
-        }
-
-        @Override
-        public void onLocationChanged(Location location) {
-            Log.e(TAG, "onLocationChanged: " + location);
-            mLastLocation.set(location);
-            fn_update(mLastLocation);
-        }
-
-        @Override
-        public void onProviderDisabled(String provider) {
-            Log.e(TAG, "onProviderDisabled: " + provider);
-        }
-
-        @Override
-        public void onProviderEnabled(String provider) {
-            Log.e(TAG, "onProviderEnabled: " + provider);
-        }
-
-        @Override
-        public void onStatusChanged(String provider, int status, Bundle extras) {
-            Log.e(TAG, "onStatusChanged: " + provider);
-        }
+        fakeLoc.setLatitude(0);
+        fakeLoc.setLongitude(0);
+        fakeLoc.setAltitude(0);
     }
 
     @Override
@@ -102,24 +100,45 @@ public class BackgroundLocalizationService extends Service {
         Log.e(TAG, "onStartCommand");
         super.onStartCommand(intent, flags, startId);
 
+        if (intent != null) {
+            stopService = intent.getBooleanExtra("request_stop", false);
+            notify_interval = intent.getIntExtra("notify_interval", onlineBackgroundLocationInterval);
+        }
+
+        if (stopService) {
+            storeBackgroundLocationStatus(getApplication(), false);
+            stopForeground(true);
+            stopSelf();
+            return START_STICKY;
+        }
+
         return START_STICKY;
     }
 
-    public BackgroundLocalizationService(){
-        providers.add(LocationManager.GPS_PROVIDER);
-        providers.add(LocationManager.NETWORK_PROVIDER);
-        providers.add(LocationManager.PASSIVE_PROVIDER);
+    private void createLocationCallback() {
+        mLocationCallback = new LocationCallback() {
+            @Override
+            public void onLocationResult(LocationResult locationResult) {
+                super.onLocationResult(locationResult);
+                if (locationResult != null) {
+                    mCurrentLocation = locationResult.getLastLocation();
+                    sendCoordinateToBackend(mCurrentLocation);
+                    changeBackgroundMode();
 
-        mLocationListeners = new LocationListener[]{
-                new LocationListener(LocationManager.GPS_PROVIDER),
-                new LocationListener(LocationManager.NETWORK_PROVIDER),
-                new LocationListener(LocationManager.PASSIVE_PROVIDER)
+                    //Restart service when a user started using presence in GPS mode and wmi is currently available
+                    if (WifiUtils.checkIfUserIsInRangeOfWmiWifi(getApplicationContext())
+                            && PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.PRESENCE.toString())) {
+                        restartService();
+                    }
+                }
+            }
         };
     }
 
     @Override
     public void onCreate() {
         Log.e(TAG, "onCreate");
+        storeBackgroundLocationStatus(getApplication(), true);
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
             startMyOwnForeground();
@@ -129,39 +148,114 @@ public class BackgroundLocalizationService extends Service {
             startForeground(1001, notification);
         }
 
-        initializeLocationManager();
+        if (!stopService) {
+            if (PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.PRESENCE.toString())) {
+                if (WifiUtils.checkIfUserIsInRangeOfWmiWifi(getApplicationContext())) {
+                    Location presenceFakeLoc = new Location("");
 
-        Integer providerIndex = 0;
+                    presenceFakeLoc.setLatitude(Const.presenceLatitude);
+                    presenceFakeLoc.setLongitude(Const.presenceLongitude);
+                    presenceFakeLoc.setAltitude(0);
+                    createPresenceLooper(presenceFakeLoc);
+                } else {
+                    createFusedLocationClient();
+                }
+            } else if (PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.EXACT.toString())
+                    || PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.APPROXIMATED.toString())
+                    ) {
+                createFusedLocationClient();
+            } else if (PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.MANUAL.toString())) {
+                Location manualFakeLoc = new Location("");
 
-        for (LocationListener listener : mLocationListeners) {
-            try {
-                mLocationManager.requestLocationUpdates(
-                        providers.get(providerIndex),
-                        LOCATION_INTERVAL,
-                        LOCATION_DISTANCE,
-                        listener
-                );
-            } catch (java.lang.SecurityException ex) {
-                Log.i(TAG, "fail to request location update, ignore", ex);
-            } catch (IllegalArgumentException ex) {
-                Log.d(TAG, "network provider does not exist, " + ex.getMessage());
+                manualFakeLoc.setLatitude(0);
+                manualFakeLoc.setLongitude(0);
+                manualFakeLoc.setAltitude(0);
+                createLowBatteryLooper(manualFakeLoc);
             }
+        }
+    }
 
-            providerIndex++;
+    private void createLowBatteryLooper(Location fakeLoc) {
+        mStatusChecker = () -> {
+            try {
+                sendCoordinateToBackend(fakeLoc);
+            } finally {
+                mHandler.postDelayed(mStatusChecker, notify_interval);
+            }
+        };
+        AsyncTask.execute(mStatusChecker);
+    }
+
+    private void createPresenceLooper(Location fakeLoc) {
+        mStatusChecker = () -> {
+            try {
+                if (WifiUtils.checkIfUserIsInRangeOfWmiWifi(getApplicationContext())) {
+                    sendCoordinateToBackend(fakeLoc);
+                } else {
+                    restartService();
+                }
+            } finally {
+                mHandler.postDelayed(mStatusChecker, notify_interval);
+            }
+        };
+        AsyncTask.execute(mStatusChecker);
+    }
+
+
+    private void createFusedLocationClient() {
+        Integer saveMode = Long.valueOf(notify_interval).compareTo(Long.valueOf(offlineBackgroundLocationInterval));
+
+        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+            return;
         }
 
-        Timer mTimer = new Timer();
-        mTimer.schedule(new TimerTaskToGetLocation(), 5, notify_interval);
-        intent = new Intent(str_receiver);
+        mLocationRequest = new LocationRequest();
 
-        fn_getlocation();
+        if (saveMode != 0) {
+            mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
+        } else {
+            mLocationRequest.setPriority(LocationRequest.PRIORITY_LOW_POWER);
+        }
+
+        mLocationRequest.setFastestInterval(notify_interval);
+        mLocationRequest.setInterval(notify_interval);
+
+        createLocationCallback();
+
+        if (!stopService) {
+            mFusedLocationClient = LocationServices.getFusedLocationProviderClient(this);
+            mFusedLocationClient.requestLocationUpdates(mLocationRequest,
+                    mLocationCallback, Looper.getMainLooper());
+        }
+    }
+
+    private void changeBackgroundMode() {
+        Integer prevInterval = notify_interval;
+        Boolean shouldExtendTimeInterval = Stream.of(coordinatesHistory)
+                .map(MapUtils::checkIfCoordinateIsValid).takeWhile(s -> !s).toList().size() == coordinatesHistoryLength;
+
+        Boolean shouldAbbreviateTimeInterval = Stream.of(coordinatesHistory).
+                map(MapUtils::checkIfCoordinateIsValid).filter(x -> x).toList().size() > 0;
+
+        if (shouldExtendTimeInterval) {
+            notify_interval = notify_interval_outside_building;
+        }
+
+        if (shouldAbbreviateTimeInterval) {
+            notify_interval = notify_interval_inside_building;
+        }
+
+
+        Integer changedMode = Long.valueOf(prevInterval).compareTo(Long.valueOf(notify_interval));
+        if (changedMode != 0) {
+            updateListeners();
+        }
     }
 
     @RequiresApi(api = Build.VERSION_CODES.O)
     private void startMyOwnForeground() {
-
-        String NOTIFICATION_CHANNEL_ID = "com.example.simpleapp";
-        String channelName = "My Background Service";
+        String NOTIFICATION_CHANNEL_ID = "com.example.fmt";
+        String channelName = "FMT Background location service";
         NotificationChannel chan = new NotificationChannel(NOTIFICATION_CHANNEL_ID, channelName, NotificationManager.IMPORTANCE_NONE);
         chan.setLightColor(Color.BLUE);
         chan.setLockscreenVisibility(Notification.VISIBILITY_PRIVATE);
@@ -178,46 +272,7 @@ public class BackgroundLocalizationService extends Service {
         startForeground(2, notification);
     }
 
-
-    private void fn_getlocation() {
-        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
-            // TODO: Consider calling
-            //    ActivityCompat#requestPermissions
-            // here to request the missing permissions, and then overriding
-            //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
-            //                                          int[] grantResults)
-            // to handle the case where the user grants the permission. See the documentation
-            // for ActivityCompat#requestPermissions for more details.
-            return;
-        }
-
-        List<String> providers1 = mLocationManager.getProviders(true);
-        Location bestLocation = null;
-
-        for (String provider : providers1) {
-            Location location = mLocationManager.getLastKnownLocation(provider);
-            if (location == null) {
-                continue;
-            }
-            if (bestLocation == null || location.getAccuracy() < bestLocation.getAccuracy()) {
-                bestLocation = location;
-            }
-        }
-
-        Log.e("Best localization:", String.valueOf(bestLocation));
-
-        if (bestLocation != null)
-            fn_update(bestLocation);
-    }
-
-    private class TimerTaskToGetLocation extends TimerTask {
-        @Override
-        public void run() {
-            mHandler.post(BackgroundLocalizationService.this::fn_getlocation);
-        }
-    }
-
-    private void fn_update(Location location) {
+    private void sendCoordinateToBackend(Location location) {
         new Task(location).execute();
     }
 
@@ -226,33 +281,57 @@ public class BackgroundLocalizationService extends Service {
         Log.e(TAG, "onDestroy");
 
         super.onDestroy();
-        if (mLocationManager != null) {
-            for (LocationListener listener : mLocationListeners) {
-                try {
-                    if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
-                        return;
-                    }
-                    mLocationManager.removeUpdates(listener);
-                } catch (Exception ex) {
-                    Log.i(TAG, "fail to remove location listener, ignore", ex);
-                }
-            }
+        mHandler.removeCallbacks(mStatusChecker);
+        destroyLocationListeners();
+    }
+
+    private void destroyLocationListeners() {
+        if (mFusedLocationClient != null) {
+            mFusedLocationClient.removeLocationUpdates(mLocationCallback);
+            mFusedLocationClient = null;
+            mLocationCallback = null;
+            mLocationRequest = null;
         }
     }
 
-    private void initializeLocationManager() {
-        Log.e(TAG, "initializeLocationManager - LOCATION_INTERVAL: " + LOCATION_INTERVAL + " LOCATION_DISTANCE: " + LOCATION_DISTANCE);
-
-        if (mLocationManager == null) {
-            mLocationManager = (LocationManager) getApplicationContext().getSystemService(Context.LOCATION_SERVICE);
+    private void updateListeners() {
+        if (mFusedLocationClient != null) {
+            mFusedLocationClient.removeLocationUpdates(mLocationCallback)
+                    .addOnCompleteListener(task -> {
+                        restartService();
+                        mFusedLocationClient = null;
+                        mLocationCallback = null;
+                        mLocationRequest = null;
+                    });
         }
     }
 
+    private void restartService() {
+
+        Intent stopIntent = new Intent(getApplicationContext(), BackgroundLocalizationService.class);
+        stopIntent.putExtra("request_stop", true);
+
+        stopService(stopIntent);
+
+        Intent startIntent = new Intent(getApplicationContext(), BackgroundLocalizationService.class);
+        startIntent.putExtra("notify_interval", notify_interval);
+
+        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.O) {
+            startForegroundService(startIntent);
+        } else {
+            startService(startIntent);
+        }
+
+    }
+
+
+    @SuppressLint("StaticFieldLeak")
     private class Task extends AsyncTask {
+        private ApproximatedLocalization approximatedLocalization;
         private Double latitude;
         private Double longitude;
         private Double altitude;
-
+        private String approximatedBuildingPart = null;
         private CompositeDisposable disposable = new CompositeDisposable();
         private CoordinateService coordinateService = ApiClient.getClient(getApplicationContext())
                 .create(CoordinateService.class);
@@ -261,52 +340,75 @@ public class BackgroundLocalizationService extends Service {
             latitude = location.getLatitude();
             longitude = location.getLongitude();
             altitude = location.getAltitude();
+            Log.e(TAG, "TASK" + latitude + " " + longitude);
+            approximatedLocalization = new ApproximatedLocalization(MapUtils.loadJsonFromAsset(getApplicationContext(), "building.geojson"));
+            approximatedBuildingPart = approximatedLocalization.getNameOfBuildingPart(Point.fromLngLat(longitude, latitude));
         }
 
         @Override
         protected Object doInBackground(Object[] objects) {
 
+            String locationLevel = PrefUtils.getLocationLevel(getApplicationContext());
+            String status = (PrefUtils.isStatusEnabled(getApplicationContext())) ? PrefUtils.getUserStatus(getApplicationContext()) : "";
+
+            if (locationLevel.equals(SharingLevel.PRESENCE.toString())) {
+                if (!MapUtils.checkIfCoordinateIsValid(latitude, longitude)) {
+                    coordinatesHistory.add(fakeLoc);
+                    return null;
+                }
+
+                latitude = presenceLatitude;
+                longitude = presenceLongitude;
+                approximatedBuildingPart = presenceApproximatedName;
+            } else if (locationLevel.equals(SharingLevel.APPROXIMATED.toString())) {
+                List<Double> points = approximatedLocalization.getMiddlePointOfBuildingPart(approximatedBuildingPart);
+                latitude = points.get(0);
+                longitude = points.get(1);
+            } else if (locationLevel.equals(SharingLevel.MANUAL.toString())) {
+                LatLng latLng = PrefUtils.getManualLocation(getApplicationContext());
+                latitude = latLng.getLatitude();
+                longitude = latLng.getLongitude();
+                approximatedBuildingPart = PrefUtils.getManualLocationApproximation(getApplicationContext());
+            }
+
+            Location fakeLoc = new Location("");
+
+            fakeLoc.setLatitude(latitude);
+            fakeLoc.setLongitude(longitude);
+            coordinatesHistory.add(fakeLoc);
+
             try {
                 Coordinate coordinate = new Coordinate(
                         latitude,
                         longitude,
                         altitude,
-                        PrefUtils.getUserFirstName(getApplicationContext()) + " " + PrefUtils.getUserLastName(getApplicationContext()),
-                        PrefUtils.getUserId(getApplicationContext())
+                        approximatedBuildingPart,
+                        status,
+                        PrefUtils.getUserId(getApplicationContext()),
+                        locationLevel
                 );
 
                 disposable.add(
                         coordinateService
-                                .postCoordinate(coordinate)
+                                .putCoordinate(coordinate, PrefUtils.getUserId(getApplicationContext()))
                                 .subscribeOn(Schedulers.io())
                                 .observeOn(AndroidSchedulers.mainThread())
-                                .subscribeWith(new DisposableSingleObserver<Coordinate>() {
-                                    @SuppressLint("LongLogTag")
+                                .subscribeWith(new DisposableCompletableObserver() {
                                     @Override
-                                    public void onSuccess(Coordinate coord) {
-                                        Log.e("CoordinateService onSuccess", String.valueOf(coord));
+                                    public void onComplete() {
+                                        Log.e(TAG, "CoordinateSuccess");
                                     }
 
-                                    @SuppressLint("LongLogTag")
                                     @Override
                                     public void onError(Throwable e) {
-
-                                        Log.e("CoordinateService onError", e.getMessage());
-
-                                        if (e instanceof HttpException) {
-                                            ResponseBody responseBody = ((HttpException) e).response().errorBody();
-                                            Log.e("CoordinateService onError", RestApiHelper.getErrorMessage(responseBody));
-
-                                        }
+                                        Log.e(TAG, "onErr" + valueOf(e));
                                     }
                                 }));
             } catch (IllegalArgumentException e) {
-                Timber.e(String.valueOf(e));
+                Log.e(TAG, e.toString());
             }
 
             return null;
         }
-
     }
-
 }

app/src/main/java/com/uam/wmi/findmytutor/service/CoordinateService.java

@@ -3,6 +3,7 @@ package com.uam.wmi.findmytutor.service;
 import com.uam.wmi.findmytutor.model.Coordinate;
 import java.util.List;
 
+import io.reactivex.Completable;
 import io.reactivex.Single;
 import retrofit2.http.Body;
 import retrofit2.http.DELETE;
@@ -24,7 +25,7 @@ public interface CoordinateService {
     Single<List<Coordinate>> getCoordinatesByUserId(@Path("userId") String userId);
 
     @GET("api/coordinates/userTop/{userId}")
-    Single<List<Coordinate>> getTopCoordinatesByUserId(@Path("userId") String userId);
+    Single <Coordinate> getTopCoordinateByUserId(@Path("userId") String userId);
 
     @GET("api/coordinates/top")
     Single<List<Coordinate>> getTopCoordinates();
@@ -36,9 +37,11 @@ public interface CoordinateService {
     Single <Coordinate> postCoordinate(@Body Coordinate coordinate);
 
     @PUT("api/coordinates/{id}")
-    Single<Coordinate> putCoordinatesById(@Path("id") String id);
+    Completable putCoordinate(@Body Coordinate coordinate, @Path("id") String id);
 
     @DELETE("api/coordinates/{id}")
-    Single<Coordinate> deleteCoordinatesById(@Path("id") String id);
+    Completable deleteCoordinatesById(@Path("id") String id);
+
+
 
 }

app/src/main/java/com/uam/wmi/findmytutor/service/FeedbackService.java

@@ -0,0 +1,17 @@
+package com.uam.wmi.findmytutor.service;
+
+import com.uam.wmi.findmytutor.model.Feedback;
+import io.reactivex.Observable;
+import io.reactivex.Single;
+import retrofit2.Response;
+import retrofit2.http.Body;
+import retrofit2.http.GET;
+import retrofit2.http.POST;
+
+public interface FeedbackService {
+    @POST("api/Feedback")
+    Observable<Response<Void>> postFeedback(@Body Feedback feedback);
+
+    @GET("api/Feedback")
+    Observable<Void> getFeedback();
+}

app/src/main/java/com/uam/wmi/findmytutor/service/LdapService.java

@@ -2,6 +2,7 @@ package com.uam.wmi.findmytutor.service;
 
 import com.uam.wmi.findmytutor.model.JwtToken;
 import com.uam.wmi.findmytutor.model.LdapUser;
+import com.uam.wmi.findmytutor.model.ValidateUser;
 
 import io.reactivex.Single;
 import retrofit2.http.Body;
@@ -15,7 +16,7 @@ public interface LdapService {
     Single<JwtToken> fakeValidate(@Body LdapUser user);
 
     @POST("api/ldap/validate")
-    Single<JwtToken> validate(@Body LdapUser user);
+    Single<JwtToken> validate(@Body ValidateUser user);
 
     @GET("api/ldap/getUserData/{login}")
     Single<LdapUser> getUserDataByLogin(@Path("login") String userLogin);

app/src/main/java/com/uam/wmi/findmytutor/service/PredefinedCoordinatesService.java

@@ -0,0 +1,24 @@
+package com.uam.wmi.findmytutor.service;
+
+import com.uam.wmi.findmytutor.model.PredefinedCoordViewModel;
+
+import java.util.List;
+
+import io.reactivex.Single;
+import retrofit2.http.Body;
+import retrofit2.http.DELETE;
+import retrofit2.http.GET;
+import retrofit2.http.HTTP;
+import retrofit2.http.POST;
+import retrofit2.http.Path;
+
+public interface PredefinedCoordinatesService {
+   @GET("api/users/predefined/coordinate/{tutorId}")
+   Single<List<PredefinedCoordViewModel>> getUserPredefinedCoords(@Path("tutorId") String tutorId);
+
+   @POST("api/users/predefined/coordinate/{tutorId}")
+   Single <PredefinedCoordViewModel> postUserPredefinedCoord(@Path("tutorId") String tutorId, @Body PredefinedCoordViewModel coord);
+
+   @HTTP(method = "DELETE", path = "api/users/predefined/coordinate/{tutorId}", hasBody = true)
+   Single<List<PredefinedCoordViewModel>> deleteUserPredefinedCoord(@Path("tutorId") String tutorId, @Body String uuid);
+}

app/src/main/java/com/uam/wmi/findmytutor/service/PredefinedStatusesService.java

@@ -0,0 +1,31 @@
+package com.uam.wmi.findmytutor.service;
+import com.uam.wmi.findmytutor.model.PredefinedCoordViewModel;
+import java.util.List;
+import io.reactivex.Single;
+import retrofit2.http.Body;
+import retrofit2.http.DELETE;
+import retrofit2.http.GET;
+import retrofit2.http.HTTP;
+import retrofit2.http.POST;
+import retrofit2.http.Path;
+
+public interface PredefinedStatusesService  {
+    @GET("api/users/predefined/status/{tutorId}")
+    Single<List<String>> getUserPredefinedStatuses(@Path("tutorId") String tutorId);
+
+    @POST("api/users/predefined/status/{tutorId}")
+    Single<List<String>> postUserPredefinedStatus(@Path("tutorId") String tutorId, @Body String status);
+
+//    @DELETE("api/users/predefined/status/{tutorId}")
+    @HTTP(method = "DELETE", path = "api/users/predefined/status/{tutorId}", hasBody = true)
+    Single<List<String>> deleteUserPredefinedStatus(@Path("tutorId") String tutorId, @Body String status);
+
+/*    @GET("api/users/predefined/coordinate/{tutorId}")
+    Single<List<PredefinedCoordViewModel>> getUserPredefinedCoords(@Path("tutorId") String tutorId);
+
+    @POST("api/users/predefined/coordinate/{tutorId}")
+    Single <PredefinedCoordViewModel> postUserPredefinedCoord(@Path("tutorId") String tutorId, @Body PredefinedCoordViewModel coord);
+
+    @DELETE("api/users/predefined/coordinate/{tutorId}")
+    Single<List<PredefinedCoordViewModel>> deleteUserPredefinedCoord(@Path("tutorId") String tutorId, @Body PredefinedCoordViewModel coord);*/
+}

app/src/main/java/com/uam/wmi/findmytutor/service/TutorTabApi.java

@@ -0,0 +1,64 @@
+package com.uam.wmi.findmytutor.service;
+
+
+import com.uam.wmi.findmytutor.model.TutorTabViewModel;
+
+import io.reactivex.Completable;
+import io.reactivex.Observable;
+import io.reactivex.Single;
+import retrofit2.Response;
+import retrofit2.http.*;
+
+
+public interface TutorTabApi {
+    /**
+     * Scrap all tutor tabs
+     * With this method, you can initialize tutor tabs scrapper.  The effect will be:  - all tutor tabs will be overwritten with data from the WMI source
+     * @param tutorId  (required)
+     * @return Call<Void>
+     */
+    @POST("api/users/scrapTutorTab/{tutorId}")
+    Completable apiUsersScrapTutorTabByTutorIdPost(
+            @retrofit2.http.Path("tutorId") String tutorId
+    );
+
+    /**
+     * Scrap all tutor tabs
+     * With this method, you can initialize tutor tabs scrapper.  The effect will be:  - all tutor tabs will be overwritten with data from the WMI source
+     * @return Call<Void>
+     */
+    @POST("api/users/scrapTutorTab")
+    Single<Void> apiUsersScrapTutorTabPost();
+
+
+    /**
+     *
+     *
+     * @param tutorId  (required)
+     * @return Call&lt;TutorTabViewModel&gt;
+     */
+    @GET("api/users/tutorTab/{tutorId}")
+    Single<TutorTabViewModel> apiUsersTutorTabByTutorIdGet(
+            @retrofit2.http.Path("tutorId") String tutorId
+    );
+
+    @POST("api/users/tutorTab/{tutorId}")
+    Single<TutorTabViewModel> apiUsersTutorTabByTutorIdPost(
+            @retrofit2.http.Path("tutorId") String tutorId, @retrofit2.http.Body TutorTabViewModel tutorTab
+    );
+    /**
+     *
+     *
+     * @param tutorId  (required)
+     * @param tutorTab  (optional)
+     * @return Call&lt;Void&gt;
+     */
+    @Headers({
+            "Content-Type:application/json"
+    })
+    @PUT("api/users/tutorTab/{tutorId}")
+    Observable<Response<Void>> apiUsersTutorTabByTutorIdPut(
+            @retrofit2.http.Path("tutorId") String tutorId, @retrofit2.http.Body TutorTabViewModel tutorTab
+    );
+
+}

app/src/main/java/com/uam/wmi/findmytutor/service/UserService.java

@@ -1,40 +1,70 @@
 package com.uam.wmi.findmytutor.service;
 
 import com.uam.wmi.findmytutor.model.IsUsingListBool;
-import com.uam.wmi.findmytutor.model.PagedResult;
+import com.uam.wmi.findmytutor.model.PagedResultReturnedTutors;
+import com.uam.wmi.findmytutor.model.ReturnedTutors;
 import com.uam.wmi.findmytutor.model.StudentIdModel;
 import com.uam.wmi.findmytutor.model.User;
 
 import java.util.List;
 
 import io.reactivex.Completable;
+import io.reactivex.Observable;
+import io.reactivex.ObservableEmitter;
 import io.reactivex.Single;
+import retrofit2.Response;
 import retrofit2.http.Body;
 import retrofit2.http.DELETE;
 import retrofit2.http.GET;
+import retrofit2.http.HTTP;
 import retrofit2.http.POST;
 import retrofit2.http.PUT;
 import retrofit2.http.Path;
+import retrofit2.http.Query;
 
 
 public interface UserService {
     @GET("api/users")
     Single <List<User>> getAllUsers();
 
+    @GET("api/users")
+    Single <List<User>> apiUsersGet();
+
+    @GET("api/users/tutors")
+    Single <List<User>> getAllTutors();
+
+    @GET("api/users/tutors/online")
+    Single <List<User>> getAllOnlineTutors();
+
+    @GET("api/users/tutors/active")
+    Single <List<User>> getAllActiveTutors();
+
+
+
+
+    @GET("api/users/tutors/offline")
+    Single <List<User>> getAllOfflineTutors();
+
+    @GET("api/users/tutors/search")
+    Single <List<User>> searchUser(@Query(value = "searchString", encoded = true) String searchString);
+
     @POST("api/users")
     Completable createUser(@Body User user);
 
     @GET("api/users/page/{pageNum}")
-    Single <PagedResult> getPagedUsers(@Path("pageNum") String pageNum );
+    Single <PagedResultReturnedTutors> getPagedUsers(@Path("pageNum") String pageNum );
 
     @GET("api/users/tutors/page/{pageNum}")
-    Single <PagedResult> getPagedTutors(@Path("pageNum") String pageNum);
+    Single <PagedResultReturnedTutors> getPagedTutors(@Path("pageNum") Integer pageNum );
 
     @GET("api/users/students/page/{pageNum}")
-    Single<PagedResult> getPagedStudents(@Path("pageNum") String pageNum);
+    Single<PagedResultReturnedTutors> getPagedStudents(@Path("pageNum") String pageNum);
 
     @GET("api/users/{id}")
-    Single<User> getUserByID(@Path("id") String userID);
+    Single <User> getUserById(@Path("id") String userID);
+
+    @GET("api/users/self/{id}")
+    Single <User> getSelf(@Path("id") String userID);
 
     @PUT("api/users/{id}")
     Completable updateUserByID(@Path("id") String userID, @Body User user);
@@ -52,26 +82,28 @@ public interface UserService {
     Completable setUserInActive(@Path("userID") String userID);
 
     @GET("api/users/blacklist/{tutorID}")
-    Single<List<User>> getTutorBlacklistedByID(@Path("tutorID") String tutorID);
+    Single <List<String>> getTutorBlacklistedByID(@Path("tutorID") String tutorID);
 
     @PUT("api/users/blacklist/{tutorID}")
     Completable setTutorBlacklist(@Path("tutorID") String tutorID, @Body IsUsingListBool isUsing);
 
     @POST("api/users/blacklist/{tutorID}")
-    Completable addStudentToBlacklist(@Path("tutorID") String tutorID, @Body StudentIdModel student);
+    Observable <User>  addStudentToBlacklist(@Path("tutorID") String tutorID, @Body StudentIdModel student);
 
-    @DELETE("api/users/blacklist/{tutorID}")
+//    @DELETE("api/users/blacklist/{tutorID}")
+    @HTTP(method = "DELETE", path = "api/users/blacklist/{tutorID}", hasBody = true)
     Completable removeStudentFromBlacklist(@Path("tutorID") String tutorID, @Body StudentIdModel student);
 
     @GET("api/users/whitelist/{tutorID}")
-    Single<List<User>> getTutorwhitelistedByID(@Path("tutorID") String tutorID);
+    Single<List<String>> getTutorWhitelistedByID(@Path("tutorID") String tutorID);
 
     @PUT("api/users/whitelist/{tutorID}")
     Completable   setTutorWhitelist(@Path("tutorID") String tutorID, @Body IsUsingListBool isUsing);
 
     @POST("api/users/whitelist/{tutorID}")
-    Completable  addStudentTowhitelist(@Path("tutorID") String tutorID, @Body StudentIdModel student);
+    Observable <User> addStudentToWhitelist(@Path("tutorID") String tutorID, @Body StudentIdModel student);
 
-    @DELETE("api/users/whitelist/{tutorID}")
+//    @DELETE("api/users/whitelist/{tutorID}")
+    @HTTP(method = "DELETE", path = "api/users/whitelist/{tutorID}", hasBody = true)
     Completable removeStudentFromWhitelist(@Path("tutorID") String tutorID, @Body StudentIdModel student);
 }

app/src/main/java/com/uam/wmi/findmytutor/utils/ActiveFragment.java

@@ -0,0 +1,8 @@
+package com.uam.wmi.findmytutor.utils;
+
+public enum ActiveFragment {
+    USER_LIST,
+    SHARED_PREFERENCES,
+    NONE
+}
+

app/src/main/java/com/uam/wmi/findmytutor/utils/ApproximatedLocalization.java

@@ -0,0 +1,53 @@
+package com.uam.wmi.findmytutor.utils;
+
+import com.mapbox.geojson.Feature;
+import com.mapbox.geojson.FeatureCollection;
+import com.mapbox.geojson.Point;
+import com.mapbox.geojson.Polygon;
+import com.mapbox.turf.TurfClassification;
+import com.mapbox.turf.TurfJoins;
+import com.mapbox.turf.TurfMeasurement;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+
+;import static com.mapbox.geojson.FeatureCollection.fromJson;
+
+public class ApproximatedLocalization {
+    private FeatureCollection buildingSchema = null;
+
+    public ApproximatedLocalization(String buildingObject) {
+        buildingSchema = fromJson(buildingObject);
+    }
+
+    public String getNameOfBuildingPart(Point point) {
+
+        for (Feature feature : Objects.requireNonNull(buildingSchema.features())) {
+            boolean isInside = TurfJoins.inside(point, (Polygon) Objects.requireNonNull(feature.geometry()));
+
+            if (isInside)
+                return Objects.requireNonNull(Objects.requireNonNull(feature.getStringProperty("name")));
+        }
+
+        return Const.presenceApproximatedName;
+    }
+
+    public List<Double> getMiddlePointOfBuildingPart(String buildingPart) {
+
+        for (Feature feature : Objects.requireNonNull(buildingSchema.features())) {
+            String partName = feature.getStringProperty("name");
+
+
+            if (buildingPart != null && buildingPart.equals(partName)) {
+
+                Double longitude = feature.getNumberProperty("longitude").doubleValue();
+                Double latitude = feature.getNumberProperty("latitude").doubleValue();
+
+                return Arrays.asList(longitude, latitude);
+            }
+        }
+
+        return Arrays.asList(0.0, 0.0);
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/Const.java

@@ -0,0 +1,26 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.util.Range;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class Const {
+    public final static String BASE_URL = "https://s416084.projektstudencki.pl/master/";
+    public final static Integer mapRefreshInterval = 6000;
+    public final static Integer onlineBackgroundLocationInterval = 7000;
+    public final static Integer offlineBackgroundLocationInterval = 360000;
+    public final static Integer defaultMapZoom = 17;
+    public final static Integer searchMapZoom = 13;
+    public final static Double presenceLatitude = 52.466365;
+    public final static Double presenceLongitude = 16.926792;
+    public final static String presenceApproximatedName = "Unknown";
+    public final static Range<Double> buildingLatitudeRange = Range.create(52.466092, 52.467529);
+    public final static Range<Double> buildingLongitudeRange = Range.create(16.926159, 16.927759);
+    public final static Range<Double> outsideLatitudeRange = Range.create(52.4651, 52.468837);
+    public final static Range<Double> outsideLongitudeRange = Range.create(16.9186, 16.936004);
+    public final static List<String> validApproximatedLocations = Arrays.asList("Skrzydło B", "Skrzydło A", "Aule", "Łącznik", "Biblioteka", "Hol", "Unknown");
+    public final static String WMI_SSID_NAME = "wmi";
+}
+
+

app/src/main/java/com/uam/wmi/findmytutor/utils/EnableSharingDialog.java

@@ -0,0 +1,31 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.content.Context;
+import android.os.Bundle;
+import android.support.v7.app.AlertDialog;
+import android.widget.Toast;
+
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.activity.MapActivity;
+
+public class EnableSharingDialog extends DialogFragment {
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        return new AlertDialog.Builder(getActivity())
+                .setTitle(R.string.sharing_modal_title)
+                .setMessage(R.string.enable_sharing_question)
+                .setPositiveButton(R.string.possitive_dialog_button, (dialog, which) ->
+                    dialogPositiveAnswer(getActivity())
+                )
+                .setNegativeButton(R.string.negative_dialog_button, (dialog, which) -> dialog.cancel()).create();
+    }
+
+    private void dialogPositiveAnswer(Context context) {
+        PrefUtils.storeEnableSharingLocalization(context, true);
+        ((MapActivity) getActivity()).handleBackgroundTaskLifeCycle();
+
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/FeedbackUtils.java

@@ -0,0 +1,134 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.pm.PackageManager;
+import android.os.Build;
+import android.support.v7.app.AlertDialog;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Button;
+import android.widget.CheckBox;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.activity.BaseActivity;
+import com.uam.wmi.findmytutor.model.Feedback;
+import com.uam.wmi.findmytutor.network.ApiClient;
+import com.uam.wmi.findmytutor.service.FeedbackService;
+
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.schedulers.Schedulers;
+import okhttp3.ResponseBody;
+import retrofit2.Response;
+
+public class FeedbackUtils {
+    private Context activityContext;
+    AlertDialog.Builder alertDialogBuilderUserInput;
+    public FeedbackUtils(Context context){
+        activityContext = context;
+    }
+    public void showNoteDialog(String subject) {
+
+        LayoutInflater layoutInflaterAndroid = LayoutInflater.from(activityContext);
+        View view = layoutInflaterAndroid.inflate(R.layout.feedback_modal, null);
+        alertDialogBuilderUserInput = new AlertDialog.Builder(activityContext);
+        alertDialogBuilderUserInput.setView(view).setPositiveButton(activityContext.getString(R.string.modal_feedback_send),null);
+        final AlertDialog alertDialog = alertDialogBuilderUserInput.create();
+
+        EditText modalUserInput = view.findViewById(R.id.feedback_input);
+        CheckBox modalIsAnonymous = view.findViewById(R.id.feedback_is_anonymous);
+        TextView modalTitle = view.findViewById(R.id.feedback_modal_title);
+        TextView modalSubtitle = view.findViewById(R.id.feedback_modal_subtitle);
+        modalTitle.setText(subject);
+        if( subject.equals(activityContext.getString(R.string.title_bug_report)) ){
+            modalSubtitle.setText(activityContext.getString(R.string.title_bug_report_notice));
+        } else  {
+            modalSubtitle.setText(activityContext.getString(R.string.title_feedback_report_notice));
+        }
+        alertDialog.setOnShowListener(new DialogInterface.OnShowListener() {
+            @Override
+            public void onShow(DialogInterface dialogInterface) {
+                Button sendButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
+                sendButton.setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View view) {
+                        String body = modalUserInput.getText().toString();
+                        if(TextUtils.isEmpty(body)){
+                            Toast.makeText(activityContext, activityContext.getString(R.string.modal_feedback_hint), Toast.LENGTH_SHORT).show();
+                            modalUserInput.requestFocus();
+                        }else{
+                            boolean mode = modalIsAnonymous.isChecked();
+                            sendFeedback(subject,body,mode);
+                            alertDialog.dismiss();
+                        }
+                    }
+                });
+            }
+        });
+        alertDialog.show();
+    }
+
+    private void sendFeedback(String header, String body, boolean mode) {
+        String appVersion = null;
+        String metadata = null;
+        Feedback userFeedback= null;
+        try {
+            appVersion = activityContext.getPackageManager().getPackageInfo(activityContext.getPackageName(), 0).versionName;
+            if( !mode ){
+                userFeedback = new Feedback(mode,
+                        header,
+                        PrefUtils.getUserFirstName(activityContext) + " " +  PrefUtils.getUserLastName(activityContext) + " | " + PrefUtils.getUserId(activityContext),
+                        "Android "+ Build.VERSION.RELEASE,
+                        appVersion,
+                        Build.MODEL,
+                        body);
+                Log.d("FEEDBACK non anon", userFeedback.toString());
+
+            }else{
+                userFeedback = new Feedback(mode,
+                        header,
+                        "anonymous",
+                        "Android "+ Build.VERSION.RELEASE,
+                        appVersion,
+                        Build.MODEL,
+                        body);
+                Log.d("FEEDBACK anon",userFeedback.toString());
+            }
+        } catch (PackageManager.NameNotFoundException e) {
+
+        }
+        FeedbackService feedbackService = ApiClient.getClient(activityContext).create(FeedbackService.class);
+
+        CompositeDisposable disposable = new CompositeDisposable();
+        disposable.add(feedbackService.postFeedback(userFeedback)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(this::handleResponse, this::handleError));
+    }
+    private void handleResponse( Response<Void> resp) {
+        Toast.makeText(activityContext, activityContext.getString(R.string.modal_feedback_thankyou), Toast.LENGTH_SHORT).show();
+        Log.d("FEEDBACK toast","gdzie jest mój tost");
+
+    }
+
+    private void handleError(Throwable error) {
+        if (error instanceof HttpException) {
+
+            ResponseBody responseBody = ((HttpException) error).response().errorBody();
+            Toast.makeText(activityContext,
+                    RestApiHelper.getErrorMessage(responseBody), Toast.LENGTH_SHORT).show();
+
+        } else {
+//            Toast.makeText(activityContext,
+//                    "Network error " + error.getMessage(), Toast.LENGTH_SHORT).show();
+            Log.d("FEEDBACK handerr ",error.getMessage());
+        }
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/InfoHelperUtils.java

@@ -0,0 +1,35 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.content.Context;
+import android.graphics.drawable.ColorDrawable;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.PopupWindow;
+
+
+import java.util.Objects;
+
+import static com.mapbox.mapboxsdk.Mapbox.getApplicationContext;
+
+public class InfoHelperUtils {
+
+        public static void infoPopUp(View anchorView, int  layoutId) {
+                LayoutInflater layoutInflater = (LayoutInflater)getApplicationContext().getSystemService( Context.LAYOUT_INFLATER_SERVICE );
+                View popupView = Objects.requireNonNull(layoutInflater).inflate(layoutId, null);
+
+                PopupWindow popupWindow = new PopupWindow(popupView,
+                        LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
+                // If the PopupWindow should be focusable
+                popupWindow.setFocusable(true);
+                // If you need the PopupWindow to dismiss when when touched outside
+                popupWindow.setBackgroundDrawable(new ColorDrawable());
+                int location[] = new int[2];
+                // Get the View's(the one that was clicked in the Fragment) location
+                anchorView.getLocationOnScreen(location);
+                // Using location, the PopupWindow will be displayed right under anchorView
+                popupWindow.showAtLocation(anchorView, Gravity.NO_GRAVITY,
+                        location[0] + anchorView.getWidth() / 2, location[1] + anchorView.getHeight());
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/LocaleHelper.java

@@ -0,0 +1,80 @@
+package com.uam.wmi.findmytutor.utils;
+
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.os.Build;
+import android.preference.PreferenceManager;
+
+import java.util.Locale;
+
+public class LocaleHelper {
+
+    private static final String SELECTED_LANGUAGE = "Locale.Helper.Selected.Language";
+
+    public static Context onAttach(Context context) {
+        String lang = getPersistedData(context, Locale.getDefault().getLanguage());
+        return setLocale(context, lang);
+    }
+
+    public static Context onAttach(Context context, String defaultLanguage) {
+        String lang = getPersistedData(context, defaultLanguage);
+        return setLocale(context, lang);
+    }
+
+    public static String getLanguage(Context context) {
+        return getPersistedData(context, Locale.getDefault().getLanguage());
+    }
+
+    public static Context setLocale(Context context, String language) {
+        persist(context, language);
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            return updateResources(context, language);
+        }
+
+        return updateResourcesLegacy(context, language);
+    }
+
+    private static String getPersistedData(Context context, String defaultLanguage) {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
+        return preferences.getString(SELECTED_LANGUAGE, defaultLanguage);
+    }
+
+    private static void persist(Context context, String language) {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
+        SharedPreferences.Editor editor = preferences.edit();
+
+        editor.putString(SELECTED_LANGUAGE, language);
+        editor.apply();
+    }
+
+    @TargetApi(Build.VERSION_CODES.N)
+    private static Context updateResources(Context context, String language) {
+        Locale locale = new Locale(language);
+        Locale.setDefault(locale);
+
+        Configuration configuration = context.getResources().getConfiguration();
+        configuration.setLocale(locale);
+
+        return context.createConfigurationContext(configuration);
+    }
+
+    @SuppressWarnings("deprecation")
+    private static Context updateResourcesLegacy(Context context, String language) {
+        Locale locale = new Locale(language);
+        Locale.setDefault(locale);
+
+        Resources resources = context.getResources();
+
+        Configuration configuration = resources.getConfiguration();
+        configuration.locale = locale;
+
+        resources.updateConfiguration(configuration, resources.getDisplayMetrics());
+
+        return context;
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/LocaleUtils.java

@@ -0,0 +1,32 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.os.Build;
+import android.support.v4.os.ConfigurationCompat;
+
+import java.util.Locale;
+
+public class LocaleUtils {
+    public static String getCurrentLocale() {
+        return String.valueOf(ConfigurationCompat.getLocales(Resources.getSystem().getConfiguration()));
+    }
+
+    private static Context updateResources(Context context, String language) {
+        Locale locale = new Locale(language);
+        Locale.setDefault(locale);
+
+        Resources res = context.getResources();
+        Configuration config = new Configuration(res.getConfiguration());
+        if (Build.VERSION.SDK_INT >= 22) {
+            config.setLocale(locale);
+            context = context.createConfigurationContext(config);
+        } else {
+            config.locale = locale;
+            res.updateConfiguration(config, res.getDisplayMetrics());
+        }
+        return context;
+    }
+}
+

app/src/main/java/com/uam/wmi/findmytutor/utils/ManualLocationUtils.java

@@ -0,0 +1,59 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.annotation.SuppressLint;
+import android.app.Activity;
+import android.app.Fragment;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.preference.PreferenceFragment;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
+import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.activity.BaseActivity;
+import com.uam.wmi.findmytutor.activity.MapActivity;
+import com.uam.wmi.findmytutor.model.PredefinedCoordViewModel;
+import com.uam.wmi.findmytutor.network.ApiClient;
+import com.uam.wmi.findmytutor.service.PredefinedStatusesService;
+
+import java.util.List;
+
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.schedulers.Schedulers;
+import okhttp3.ResponseBody;
+
+import static com.mapbox.mapboxsdk.Mapbox.getApplicationContext;
+import static java.security.AccessController.getContext;
+
+@SuppressLint("ValidFragment")
+public class ManualLocationUtils  {
+    private Context activityContext;
+
+    public ManualLocationUtils(Context context) {
+        activityContext = context;
+    }
+
+    private void handleError(Throwable error) {
+        if (error instanceof HttpException) {
+
+            ResponseBody responseBody = ((HttpException) error).response().errorBody();
+            Toast.makeText(activityContext,
+                    RestApiHelper.getErrorMessage(responseBody), Toast.LENGTH_SHORT).show();
+
+        } else {
+            Toast.makeText(activityContext,
+                    "Network error " + error.getMessage(), Toast.LENGTH_SHORT).show();
+        }
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/MapMarker.java

@@ -0,0 +1,65 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.support.annotation.NonNull;
+import android.view.View;
+
+import com.mapbox.mapboxsdk.annotations.Icon;
+import com.mapbox.mapboxsdk.annotations.InfoWindow;
+import com.mapbox.mapboxsdk.annotations.Marker;
+import com.mapbox.mapboxsdk.annotations.MarkerOptions;
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+
+public class MapMarker{
+
+    private MarkerOptions markerOptions;
+    private Marker marker;
+    private String markerType;
+    private Icon defaultIcon;
+    private Icon markerIcon;
+
+
+    public MapMarker(Marker marker, MarkerOptions markerOptions, Icon icon, String markerType) {
+        this.setMarker(marker);
+        this.setMarkerOptions(markerOptions);
+        this.defaultIcon = icon;
+        this.markerType = markerType;
+    }
+
+    public void restoreDefaultIcon() {
+        this.marker.setIcon(this.defaultIcon);
+    }
+
+    public void setDefaultIcon(Icon icon) {
+        this.defaultIcon = icon;
+    }
+
+    private void changeMarkerType(String markerType) {
+        this.markerType = markerType;
+    }
+
+    public MarkerOptions getMarkerOptions() {
+        return markerOptions;
+    }
+
+    private void setMarkerOptions(MarkerOptions marker) {
+        this.markerOptions = marker;
+    }
+
+    public Marker getMarker() {
+        return marker;
+    }
+
+    public void setMarker(Marker marker) {
+        this.marker = marker;
+    }
+
+    public String getMarkerType() {
+        return markerType;
+    }
+
+    public void setMarkerType(String markerType) {
+        this.markerType = markerType;
+    }
+
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/MapUtils.java

@@ -0,0 +1,127 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.animation.TypeEvaluator;
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.Intent;
+import android.location.Location;
+import android.net.Uri;
+import android.provider.Settings;
+
+import com.mapbox.mapboxsdk.camera.CameraPosition;
+import com.mapbox.mapboxsdk.camera.CameraUpdateFactory;
+import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.mapbox.mapboxsdk.geometry.LatLngBounds;
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.uam.wmi.findmytutor.R;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import static com.mapbox.mapboxsdk.Mapbox.getApplicationContext;
+import static com.uam.wmi.findmytutor.utils.Const.outsideLatitudeRange;
+import static com.uam.wmi.findmytutor.utils.Const.outsideLongitudeRange;
+import static com.uam.wmi.findmytutor.utils.PrefUtils.shouldBatteryExclusionBeShown;
+
+public class MapUtils {
+
+    // Boundires
+    private static final LatLngBounds WMI_BOUNDS = new LatLngBounds.Builder()
+            .include(new LatLng(52.46588041661952, 16.92543089389801))
+            .include(new LatLng(52.467824943492374, 16.928574442863464))
+            .build();
+
+    // Map Bounds Area
+    public static void setMapBoundsArea(Context context, MapboxMap mapboxMap, MapView mapView, Boolean check) {
+
+        if (check) {
+            // Set bounds to WMI
+            mapboxMap.setLatLngBoundsForCameraTarget(WMI_BOUNDS);
+            makeNewCamera(mapboxMap, 52.466799, 16.927002, 17, 0, 0, 4000);
+            mapboxMap.setMinZoomPreference(16); // TODO export to map config
+        } else {
+            mapboxMap.setLatLngBoundsForCameraTarget(null);
+            mapboxMap.setMinZoomPreference(2);
+        }
+    }
+
+    // Map Bounds Area
+    public static void setZoom(MapboxMap mapboxMap, Integer zoom) {
+        makeNewCamera(mapboxMap, 52.466799, 16.927002, zoom, 0, 0, 1000);
+        mapboxMap.setMinZoomPreference(16); // TODO export to map config
+    }
+
+    public static void makeNewCamera(MapboxMap mapboxMap, double lat, double lon, int zoomParam, int bearingParam, int tiltParam, int duration) {
+        CameraPosition position = new CameraPosition.Builder()
+                .target(new LatLng(lat, lon)) // Sets the new camera position
+                .zoom(zoomParam) // Sets the zoom
+                .bearing(bearingParam) // Rotate the camera
+                .tilt(tiltParam) // Set the camera tilt
+                .build(); // Creates a CameraPosition from the builder
+
+        mapboxMap.animateCamera(CameraUpdateFactory
+                .newCameraPosition(position), duration);
+    }
+
+    // read file to JSON
+    public static String loadJsonFromAsset(Context context, String filename) {
+        try {
+            InputStream is = context.getAssets().open(filename);
+            int size = is.available();
+            byte[] buffer = new byte[size];
+            is.read(buffer);
+            is.close();
+            return new String(buffer, "UTF-8");
+
+        } catch (IOException ex) {
+            ex.printStackTrace();
+            return null;
+        }
+    }
+
+    public static Boolean checkIfCoordinateIsValid(Location coordinate) {
+        return outsideLatitudeRange.contains(coordinate.getLatitude()) && outsideLongitudeRange.contains(coordinate.getLongitude());
+    }
+
+    public static Boolean checkIfCoordinateIsValid(Double latitude, Double longitude) {
+        return Const.buildingLatitudeRange.contains(latitude) && Const.buildingLongitudeRange.contains(longitude);
+    }
+
+    public static void BatteryOptimizationsExceptionCheck(Context context) {
+        if (shouldBatteryExclusionBeShown(getApplicationContext())) {
+            PrefUtils.setBatteryExlusionInfoStatus(getApplicationContext(), false);
+
+            AlertDialog.Builder builder = new AlertDialog.Builder(context);
+            builder.setTitle(R.string.batter_exclusions_title);
+            builder.setMessage(R.string.batter_exclusions_message)
+                    .setPositiveButton(R.string.ok, (dialog, id) -> {
+                        Intent intent = new Intent();
+                        intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
+                        Uri uri = Uri.fromParts("package", getApplicationContext().getPackageName(), null);
+                        intent.setData(uri);
+                        context.startActivity(intent);
+                    })
+                    .setNegativeButton(R.string.cancel, (dialog, id) -> {
+
+                    }).show();
+        }
+    }
+
+    // Function for marker animation
+    public static class LatLngEvaluator implements TypeEvaluator<LatLng> {
+        // Method is used to interpolate the marker animation.
+
+        private LatLng latLng = new LatLng();
+
+        @Override
+        public LatLng evaluate(float fraction, LatLng startValue, LatLng endValue) {
+            latLng.setLatitude(startValue.getLatitude()
+                    + ((endValue.getLatitude() - startValue.getLatitude()) * fraction));
+            latLng.setLongitude(startValue.getLongitude()
+                    + ((endValue.getLongitude() - startValue.getLongitude()) * fraction));
+            return latLng;
+        }
+    }
+
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/MyDividerItemDecoration.java

@@ -0,0 +1,98 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.util.TypedValue;
+import android.view.View;
+
+public class MyDividerItemDecoration extends RecyclerView.ItemDecoration {
+
+    private static final int[] ATTRS = new int[]{
+            android.R.attr.listDivider
+    };
+
+    public static final int HORIZONTAL_LIST = LinearLayoutManager.HORIZONTAL;
+    public static final int VERTICAL_LIST = LinearLayoutManager.VERTICAL;
+
+    private Drawable mDivider;
+    private int mOrientation;
+    private Context context;
+    private int margin;
+
+    public MyDividerItemDecoration(Context context, int orientation, int margin) {
+        this.context = context;
+        this.margin = margin;
+        final TypedArray a = context.obtainStyledAttributes(ATTRS);
+        mDivider = a.getDrawable(0);
+        a.recycle();
+        setOrientation(orientation);
+    }
+
+    public void setOrientation(int orientation) {
+        if (orientation != HORIZONTAL_LIST && orientation != VERTICAL_LIST) {
+            throw new IllegalArgumentException("invalid orientation");
+        }
+        mOrientation = orientation;
+    }
+
+    @Override
+    public void onDrawOver(Canvas c, RecyclerView parent, RecyclerView.State state) {
+        if (mOrientation == VERTICAL_LIST) {
+            drawVertical(c, parent);
+        } else {
+            drawHorizontal(c, parent);
+        }
+    }
+
+    public void drawVertical(Canvas c, RecyclerView parent) {
+        final int left = parent.getPaddingLeft();
+        final int right = parent.getWidth() - parent.getPaddingRight();
+
+        final int childCount = parent.getChildCount();
+        for (int i = 0; i < childCount; i++) {
+            final View child = parent.getChildAt(i);
+            final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child
+                    .getLayoutParams();
+            final int top = child.getBottom() + params.bottomMargin;
+            final int bottom = top + mDivider.getIntrinsicHeight();
+            mDivider.setBounds(left, top, right, bottom);
+            mDivider.draw(c);
+        }
+    }
+
+    public void drawHorizontal(Canvas c, RecyclerView parent) {
+        final int top = parent.getPaddingTop();
+        final int bottom = parent.getHeight() - parent.getPaddingBottom();
+
+        final int childCount = parent.getChildCount();
+        for (int i = 0; i < childCount; i++) {
+            final View child = parent.getChildAt(i);
+            final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child
+                    .getLayoutParams();
+            final int left = child.getRight() + params.rightMargin;
+            final int right = left + mDivider.getIntrinsicHeight();
+            mDivider.setBounds(left, top + dpToPx(margin), right, bottom - dpToPx(margin));
+            mDivider.draw(c);
+        }
+    }
+
+    @Override
+    public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
+        if (mOrientation == VERTICAL_LIST) {
+            outRect.set(0, 0, 0, mDivider.getIntrinsicHeight());
+        } else {
+            outRect.set(0, 0, mDivider.getIntrinsicWidth(), 0);
+        }
+    }
+
+    private int dpToPx(int dp) {
+        Resources r = context.getResources();
+        return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, r.getDisplayMetrics()));
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/PrefUtils.java

@@ -2,18 +2,32 @@ package com.uam.wmi.findmytutor.utils;
 
 import android.content.Context;
 import android.content.SharedPreferences;
+import android.preference.ListPreference;
+import android.preference.PreferenceFragment;
 import android.util.Log;
 
+import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.uam.wmi.findmytutor.activity.SharingFragment;
 import com.auth0.android.jwt.Claim;
 import com.auth0.android.jwt.JWT;
 
+import java.util.Map;
+
 public class PrefUtils {
 
     public PrefUtils() {
     }
 
-    private static SharedPreferences getSharedPreferences(Context context) {
-        return context.getSharedPreferences("APP_PREF", Context.MODE_PRIVATE);
+    public static SharedPreferences getSharedPreferences(Context context) {
+        return context.getSharedPreferences("com.uam.wmi.findmytutor_preferences", Context.MODE_PRIVATE);
+    }
+
+    public static void getAllKeys(Context context) {
+        Map<String, ?> keys = getSharedPreferences(context).getAll();
+
+        for (Map.Entry<String, ?> entry : keys.entrySet()) {
+            Log.d("map values", entry.getKey() + ": " + entry.getValue().toString());
+        }
     }
 
     public static void cleanUserLocalStorage(Context context) {
@@ -42,9 +56,29 @@ public class PrefUtils {
         return getSharedPreferences(context).getString("USER_ID", null);
     }
 
+    public static boolean isStatusEnabled(Context context) {
+        return getSharedPreferences(context).getBoolean("key_status_enabled", false);
+
+    }
+    public static void enableStatus(Context context){
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putBoolean("key_status_enabled", true);
+        editor.apply();
+    }
+    public static void disableStatus(Context context) {
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putBoolean("key_status_enabled", false);
+        editor.apply();
+    }
 
     public static String getUserStatus(Context context) {
-        return getSharedPreferences(context).getString("USER_STATUS", "Android");
+        return getSharedPreferences(context).getString("status_entry", "Dostępny");
+    }
+
+    public static void storeStatus(Context context, String status) {
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putString("status_entry", status);
+        editor.apply();
     }
 
     public static void storeIsTutor(Context applicationContext, boolean isTutor) {
@@ -67,14 +101,29 @@ public class PrefUtils {
         return getSharedPreferences(context).getBoolean("IS_LOGGED_IN", false);
     }
 
-    public static void storeIsServiceRunning(Context context, Boolean flag) {
+    public static boolean isEnableSharingLocalization(Context context) {
+        return getSharedPreferences(context).getBoolean("key_sharing_enabled", false);
+    }
+    public static void disableSharing(Context context){
         SharedPreferences.Editor editor = getSharedPreferences(context).edit();
-        editor.putBoolean("IS_SERVIS_RUNNING", flag);
+        editor.putBoolean("key_sharing_enabled", false);
         editor.apply();
     }
 
-    public static boolean getIsServiceRunning(Context context) {
-        return getSharedPreferences(context).getBoolean("IS_SERVIS_RUNNING", false);
+    public static void storeEnableSharingLocalization(Context context, Boolean isChecked) {
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putBoolean("key_sharing_enabled", isChecked);
+        editor.apply();
+    }
+
+    public static String getLocationLevel(Context context) {
+        return getSharedPreferences(context).getString("location_mode", "exact");
+    }
+
+    public static void storeLocationMode(Context context, String mode) {
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putString("location_mode", mode);
+        editor.apply();
     }
 
     public static void storeUserFirstName(Context context, String userName) {
@@ -103,8 +152,104 @@ public class PrefUtils {
         editor.apply();
     }
 
-    public static String getUserName(Context context) {
-        return getSharedPreferences(context).getString("USER_NAME", null);
+    public static void storeLocale(Context context, String locale) {
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putString("LOCALE", locale);
+        editor.apply();
     }
 
+    public static String getLocale(Context context) {
+        return getSharedPreferences(context).getString("LOCALE", LocaleUtils.getCurrentLocale());
+    }
+
+    public static Boolean isBackgroundLocationServiceRunning(Context context) {
+        return getSharedPreferences(context).getBoolean("BACKGROUND_SERVICE_STATUS", false);
+    }
+
+    public static void storeBackgroundLocationStatus(Context context, Boolean status) {
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putBoolean("BACKGROUND_SERVICE_STATUS", status);
+        editor.apply();
+    }
+
+    public static void putManualLocation(Context context, LatLng latLng, String approximatedLocation) {
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putString("key_location_level","3");
+        editor.putString("location_mode", "manual");
+        editor.putString("approx_manual_loc", approximatedLocation);
+        /*editor.putBoolean("key_sharing_enabled", true);*/
+        editor.putLong("longitude_manual_location", Double.doubleToRawLongBits(latLng.getLongitude()));
+        editor.putLong("latitude_manual_location", Double.doubleToRawLongBits(latLng.getLatitude()));
+        editor.apply();
+    }
+
+    public static LatLng getManualLocation(Context context) {
+        return new LatLng(
+                Double.longBitsToDouble(getSharedPreferences(context).getLong("latitude_manual_location", 0)),
+                Double.longBitsToDouble(getSharedPreferences(context).getLong("longitude_manual_location", 0))
+        );
+    }
+
+    public static String getManualLocationApproximation(Context context) {
+        return getSharedPreferences(context).getString("approx_manual_loc", "unknown");
+    }
+
+    public static void putCurrentManualLocation(Context context,String manualId) {
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putString("current_manual_location", manualId);
+        editor.apply();
+    }
+
+    public static String getCurrentManualLocation(Context context) {
+        return getSharedPreferences(context).getString("current_manual_location", null);
+    }
+    public static void putCurrentManualLocationName(Context context, String locationName) {
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putString("current_manual_location_name", locationName);
+        editor.apply();
+    }
+    public static String getCurrentManualLocationName(Context context) {
+        return getSharedPreferences(context).getString("current_manual_location_name", null);
+    }
+
+    public static void putShowOnlyOnlineUsers(Context context, Boolean flag) {
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putBoolean("show_only_online_users_in_list", flag);
+        editor.apply();
+    }
+
+    public static Boolean getShowOnlyOnlineUsers(Context context) {
+        return getSharedPreferences(context).getBoolean("show_only_online_users_in_list", true);
+    }
+
+    public static void useBlacklist(Context context, Boolean flag) {
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putBoolean("blacklisting", flag);
+        editor.putBoolean("whitelisting", false);
+        editor.apply();
+    }
+
+    public static void useWhitelist(Context context, Boolean flag) {
+        SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+        editor.putBoolean("whitelisting", flag);
+        editor.putBoolean("blacklisting", false);
+        editor.apply();
+    }
+
+    public static Boolean isBlackListing(Context context) {
+        return getSharedPreferences(context).getBoolean("blacklisting", false);
+    }
+    public static Boolean isWhiteListing(Context context) {
+        return getSharedPreferences(context).getBoolean("whitelisting", false);
+    }
+
+    public static Boolean shouldBatteryExclusionBeShown(Context context) {
+        return getSharedPreferences(context).getBoolean("show_battery_exclusion", false);
+    }
+
+    public static void setBatteryExlusionInfoStatus(Context context,  Boolean flag) {
+            SharedPreferences.Editor editor = getSharedPreferences(context).edit();
+            editor.putBoolean("show_battery_exclusion", flag);
+            editor.apply();
+        }
 }

app/src/main/java/com/uam/wmi/findmytutor/utils/RecyclerTouchListener.java

@@ -0,0 +1,62 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.content.Context;
+import android.support.v7.widget.RecyclerView;
+import android.view.GestureDetector;
+import android.view.MotionEvent;
+import android.view.View;
+
+/**
+ * Created by ravi on 21/02/18.
+ */
+
+public class RecyclerTouchListener implements RecyclerView.OnItemTouchListener {
+
+    private ClickListener clicklistener;
+    private GestureDetector gestureDetector;
+
+    public RecyclerTouchListener(Context context, final RecyclerView recycleView, final ClickListener clicklistener) {
+
+        this.clicklistener = clicklistener;
+        gestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
+            @Override
+            public boolean onSingleTapUp(MotionEvent e) {
+                return true;
+            }
+
+            @Override
+            public void onLongPress(MotionEvent e) {
+                View child = recycleView.findChildViewUnder(e.getX(), e.getY());
+                if (child != null && clicklistener != null) {
+                    clicklistener.onLongClick(child, recycleView.getChildAdapterPosition(child));
+                }
+            }
+        });
+    }
+
+    @Override
+    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
+        View child = rv.findChildViewUnder(e.getX(), e.getY());
+        if (child != null && clicklistener != null && gestureDetector.onTouchEvent(e)) {
+            clicklistener.onClick(child, rv.getChildAdapterPosition(child));
+        }
+
+        return false;
+    }
+
+    @Override
+    public void onTouchEvent(RecyclerView rv, MotionEvent e) {
+
+    }
+
+    @Override
+    public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {
+
+    }
+
+    public interface ClickListener {
+        void onClick(View view, int position);
+
+        void onLongClick(View view, int position);
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/RestApiHelper.java

@@ -1,10 +1,19 @@
 package com.uam.wmi.findmytutor.utils;
 
+import android.app.Activity;
+import android.graphics.Color;
+import android.support.design.widget.Snackbar;
+import android.view.View;
+import android.widget.TextView;
+
+import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
+import com.uam.wmi.findmytutor.R;
+
 import org.json.JSONObject;
 
 import okhttp3.ResponseBody;
 
-public class RestApiHelper {
+public class RestApiHelper extends Activity  {
 
     public RestApiHelper() {
     }
@@ -14,7 +23,26 @@ public class RestApiHelper {
             JSONObject jsonObject = new JSONObject(responseBody.string());
             return jsonObject.getString("message");
         } catch (Exception e) {
-            return e.getMessage();
+            return "Something went wrong!";
         }
+
+    }
+
+
+    public void showError(Throwable e) {
+        String message = e.toString();
+
+        if (e instanceof HttpException) {
+            ResponseBody responseBody = ((HttpException) e).response().errorBody();
+            message = RestApiHelper.getErrorMessage(responseBody);
+        } else {
+            message ="Network Error !";
+        }
+
+        Snackbar snackbar = Snackbar.make(findViewById(R.id.activity_content), message, Snackbar.LENGTH_LONG);
+        View sbView = snackbar.getView();
+        TextView textView = sbView.findViewById(android.support.design.R.id.snackbar_text);
+        textView.setTextColor(Color.BLUE);
+        snackbar.show();
     }
 }

app/src/main/java/com/uam/wmi/findmytutor/utils/RightButtonPreference.java

@@ -0,0 +1,74 @@
+package com.uam.wmi.findmytutor.utils;
+import android.content.Context;
+import android.preference.Preference;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import com.uam.wmi.findmytutor.R;
+
+public class RightButtonPreference extends Preference {
+
+   private Button prefButton;
+   private String buttonText;
+
+    public RightButtonPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        setWidgetLayoutResource(R.layout.preference_button_widget);
+        init(context, attrs);
+    }
+
+    private void init(Context context, AttributeSet attrs){
+        for (int i=0;i<attrs.getAttributeCount();i++) {
+            String attr = attrs.getAttributeName(i);
+            try {
+                if(attr.equalsIgnoreCase("key")){
+                    Log.e("BUTTON_ERR",attr);
+                    String val  = attrs.getAttributeValue(i);
+
+                    switch (val) {
+                        case "remove_manual_status":
+                            buttonText = context.getResources().getString(R.string.preference_manual_location_button_remove);
+                            break;
+                        case "manual_location_button":
+                            buttonText = context.getResources().getString(R.string.preference_manual_location_button);
+                            break;
+                        case "remove_manual_location":
+                            buttonText = context.getResources().getString(R.string.preference_manual_location_button_remove);
+                            break;
+                    }
+                }
+            } catch (Exception e) {
+                buttonText = "";
+                Log.e("BUTTON_ERR", String.valueOf(e));
+            }
+
+        }
+    }
+
+
+    public void setText(String text){
+        prefButton.setText(text);
+    }
+    @Override
+    protected View onCreateView(ViewGroup parent) {
+        return super.onCreateView(parent);
+    }
+    @Override
+    protected void onBindView(View view)
+    {
+        super.onBindView(view);
+        prefButton = view.findViewById(R.id.button_choose_from_map);
+        prefButton.setText(buttonText);
+        if(prefButton != null)
+        {
+           prefButton.setOnClickListener(view1 -> {
+               callChangeListener(null);
+               notifyChanged();
+           });
+        }
+    }
+
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/RxSearchObservable.java

@@ -0,0 +1,34 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.support.v7.widget.SearchView;
+
+import io.reactivex.Observable;
+import io.reactivex.subjects.PublishSubject;
+
+public class RxSearchObservable {
+
+    private RxSearchObservable() {
+    }
+
+    public static Observable<String> fromView(SearchView searchView) {
+
+        final PublishSubject<String> subject = PublishSubject.create();
+
+        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
+            @Override
+            public boolean onQueryTextSubmit(String s) {
+                subject.onNext(s);
+                searchView.clearFocus();
+                return false;
+            }
+
+            @Override
+            public boolean onQueryTextChange(String text) {
+                subject.onNext(text);
+                return false;
+            }
+        });
+
+        return subject;
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/SharingInfoPopupButtonPreference.java

@@ -0,0 +1,44 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.content.Context;
+import android.graphics.drawable.ColorDrawable;
+import android.preference.Preference;
+import android.util.AttributeSet;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.ImageButton;
+import android.widget.LinearLayout;
+import android.widget.PopupWindow;
+import android.widget.Toast;
+
+import com.uam.wmi.findmytutor.R;
+
+import static com.mapbox.mapboxsdk.Mapbox.getApplicationContext;
+
+public class SharingInfoPopupButtonPreference extends Preference {
+
+    public SharingInfoPopupButtonPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        setWidgetLayoutResource(R.layout.preference_popup_info_button_widget);
+    }
+    @Override
+    protected View onCreateView(ViewGroup parent) {
+        View view = super.onCreateView(parent);
+//        LayoutInflater li = (LayoutInflater)getContext().getSystemService( Context.LAYOUT_INFLATER_SERVICE );
+//        View temp =li.inflate( R.layout.preference_button_widget, parent, false);
+        return view;
+    }
+    @Override
+    protected void onBindView(View view)
+    {
+        super.onBindView(view);
+        ImageButton button = view.findViewById(R.id.sharingTabInfoImageButton);
+        button.setOnClickListener(v-> {
+            InfoHelperUtils.infoPopUp(v,R.layout.info_popup_sharing_tab);
+        });
+    }
+
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/SharingLevel.java

@@ -0,0 +1,20 @@
+package com.uam.wmi.findmytutor.utils;
+
+public enum SharingLevel {
+    PRESENCE("presence"),
+    APPROXIMATED("approximated"),
+    EXACT("exact"),
+    PREDEFINED("predefined"),
+    MANUAL("manual");
+
+    private final String text;
+
+    SharingLevel(final String text) {
+        this.text = text;
+    }
+
+    @Override
+    public String toString() {
+        return text;
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/WifiUtils.java

@@ -0,0 +1,30 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.content.Context;
+import android.net.NetworkInfo;
+import android.net.wifi.WifiInfo;
+import android.net.wifi.WifiManager;
+import android.util.Log;
+
+import java.util.Objects;
+
+public class WifiUtils {
+
+    public static String getWifiName(Context context) {
+        WifiManager manager = (WifiManager) context.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
+        if (Objects.requireNonNull(manager).isWifiEnabled()) {
+            WifiInfo wifiInfo = manager.getConnectionInfo();
+            if (wifiInfo != null) {
+                NetworkInfo.DetailedState state = WifiInfo.getDetailedStateOf(wifiInfo.getSupplicantState());
+                if (state == NetworkInfo.DetailedState.CONNECTED || state == NetworkInfo.DetailedState.OBTAINING_IPADDR) {
+                    return wifiInfo.getSSID();
+                }
+            }
+        }
+        return null;
+    }
+
+    public static Boolean checkIfUserIsInRangeOfWmiWifi(Context context) {
+        return Objects.equals(getWifiName(context), Const.WMI_SSID_NAME);
+    }
+}

app/src/main/java/com/uam/wmi/findmytutor/utils/WrapContentLinearLayoutManager.java

@@ -0,0 +1,22 @@
+package com.uam.wmi.findmytutor.utils;
+
+import android.content.Context;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.util.AttributeSet;
+import android.util.Log;
+
+public class WrapContentLinearLayoutManager extends LinearLayoutManager {
+    public WrapContentLinearLayoutManager(Context context) {
+        super(context);
+    }
+
+    @Override
+    public void onLayoutChildren(RecyclerView.Recycler recycler, RecyclerView.State state) {
+        try {
+            super.onLayoutChildren(recycler, state);
+        } catch (IndexOutOfBoundsException e) {
+            e.printStackTrace();
+        }
+    }
+}

app/src/main/res/drawable-v24/fab_label_background.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/black_semi_transparent"/>
+    <padding
+        android:left="16dp"
+        android:top="4dp"
+        android:right="16dp"
+        android:bottom="4dp"/>
+    <corners
+        android:radius="2dp"/>
+</shape>

app/src/main/res/drawable/blue_gradient.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <gradient android:angle="45"
+        android:startColor="@color/mapboxGrayFaint"
+        android:endColor="@color/mapboxGrayLight"
+        />
+
+</shape>