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

app/build.gradle

@@ -10,10 +10,11 @@ android {
         applicationId "com.uam.wmi.findmytutor"
         minSdkVersion 22
         targetSdkVersion 27
-        versionCode 40
+        versionCode 66
         versionName "1.0.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
+        resConfigs "en", "pl"
     }
     buildTypes {
         release {
@@ -37,10 +38,8 @@ dependencies {
     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:appcompat-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'
@@ -72,6 +71,10 @@ dependencies {
     // FloatingBarMenu
     implementation 'com.getbase:floatingactionbutton:1.10.1'
     implementation 'org.apache.commons:commons-collections4:4.0'
-    implementation 'com.android.support:appcompat-v7:27.1.1'
     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

@@ -4,10 +4,10 @@
     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" />
@@ -24,6 +24,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
+        android:configChanges="locale"
         tools:ignore="AllowBackup,GoogleAppIndexingWarning">
         <activity
             android:name=".activity.StartupActivity"

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

@@ -6,8 +6,9 @@ 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 static org.acra.ReportField.*;
 import org.acra.ACRA;
 import org.acra.annotation.AcraLimiter;
 import org.acra.annotation.AcraNotification;
@@ -16,18 +17,32 @@ 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)
@@ -43,16 +58,17 @@ public class FindMyTutor extends Application {
                 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);
+        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")
+        ).setUri(Const.BASE_URL + "api/Feedback/autoFeedback")
                 .setHttpMethod(HttpSender.Method.POST)
                 .setHttpHeaders(header)
                 .setEnabled(true);

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

@@ -4,6 +4,7 @@ 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;
@@ -35,6 +36,9 @@ 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;
 
@@ -80,11 +84,16 @@ public abstract class BaseActivity
     private SharingFragment sharingFragment;
 
     private Fragment userListFragment;
-    private ActiveFragment activeFragment = ActiveFragment.NONE;
+    public ActiveFragment activeFragment = ActiveFragment.NONE;
     private Fragment activeBottomMenu  = null;
-    private SearchView searchView;
+    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) {
@@ -118,17 +127,9 @@ public abstract class BaseActivity
                         if(PrefUtils.isBackgroundLocationServiceRunning(getApplicationContext()))                        {
                             stopBackgroundLocalizationTask();
                         }
+                        logout();
 
-                        storeBackgroundLocationStatus(getApplication(), false);
-                        PrefUtils.storeIsLoggedIn(getApplicationContext(), false);
 
-                        Intent i = getBaseContext().getPackageManager()
-                                .getLaunchIntentForPackage(getBaseContext().getPackageName());
-                        if (i != null) {
-                            i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
-                        }
-                        startActivity(i);
-                        finish();
                      } else if (itemName.equals(getResources().getString(R.string.navigation_item_feedback))) {
                          feedbackUtils.showNoteDialog("FEEDBACK");
 
@@ -157,6 +158,21 @@ public abstract class BaseActivity
         }
     }
 
+
+    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>();
 
@@ -199,6 +215,8 @@ public abstract class BaseActivity
     }
 
     public void stopBackgroundLocalizationTask() {
+        PrefUtils.storeEnableSharingLocalization(getApplicationContext(), false);
+
         Intent stopIntent = new Intent(getApplicationContext(), BackgroundLocalizationService.class);
         stopIntent.putExtra("request_stop", true);
 
@@ -208,11 +226,12 @@ public abstract class BaseActivity
 
     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) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
             startForegroundService(startIntent);
         } else {
             startService(startIntent);
@@ -408,8 +427,8 @@ public abstract class BaseActivity
         sharingFragment = SharingFragment.newInstance();
         FragmentTransaction ft = getFragmentManager().beginTransaction();
         ft.replace(R.id.activity_content, sharingFragment);
+        //ft.addToBackStack(null);
         ft.commit();
-
     }
 
     private void loadUserListFragment() {
@@ -418,6 +437,7 @@ public abstract class BaseActivity
         userListFragment = UsersListFragment.newInstance();
         FragmentTransaction ft = getFragmentManager().beginTransaction();
         ft.replace(R.id.activity_content, userListFragment);
+        //ft.addToBackStack(null);
         ft.commit();
 
     }
@@ -434,4 +454,8 @@ public abstract class BaseActivity
 
     abstract int getNavigationMenuItemId();
     abstract int getContentViewId();
+
+
+
+
 }

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

@@ -1,6 +1,7 @@
 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;
@@ -31,6 +32,7 @@ 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;
@@ -44,6 +46,7 @@ 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;
@@ -65,6 +68,7 @@ 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;
@@ -86,12 +90,20 @@ public class BlackList extends AppCompatActivity {
     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);
@@ -104,11 +116,11 @@ public class BlackList extends AppCompatActivity {
                 .create(UserService.class);
 
         if (PrefUtils.isBlackListing(this)){
-            aSwitch.setText(getString(R.string.action_black_list) +" ON");
+            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) +" OFF");
+            aSwitch.setText(getString(R.string.action_black_list) + " " +getString(R.string.off) );
             aSwitch.setChecked(false);
             handleChangeRequest(false);
         }
@@ -122,6 +134,7 @@ public class BlackList extends AppCompatActivity {
         recyclerView.setItemAnimator(new DefaultItemAnimator());
         recyclerView.addItemDecoration(new MyDividerItemDecoration(this, LinearLayoutManager.VERTICAL, 16));
         recyclerView.setAdapter(mAdapter);
+        noNotesView.setVisibility(View.GONE);
 
         fetchBlackListedUsers();
         /**
@@ -141,7 +154,6 @@ public class BlackList extends AppCompatActivity {
         }));
 
         addToBlackListFab.setOnClickListener(this::showFabDialog);
-
         handleSwitch();
     }
 
@@ -161,32 +173,29 @@ public class BlackList extends AppCompatActivity {
     }
 
     private void fetchBlackListedUsers() {
-        prevSize = blacklistedUsers.size();
-
-        blacklistedUsers.clear();
-
         disposable.add(getListOfBlacklistedUsers(tutorId)
+                .doOnSubscribe(this::handleDoOnSubscribe)
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
-                .flatMap((Function<List<String>, Observable<String>>) Observable::fromIterable)
+                .flatMap(Observable::fromIterable)
-                .flatMap((Function<String, ObservableSource<User>>) this::getUserObservable)
+                .flatMap(this::getUserObservable)
-                .subscribeWith(new DisposableObserver<User>() {
+                .subscribe(user ->  blacklistedUsers.add(user), this::handleError,this::handleComplete));
-                    @Override
-                    public void onNext(User user) {
-                        blacklistedUsers.add(user);
     }
 
-                    @Override
+    private void handleDoOnSubscribe(Disposable disposable) {
-                    public void onError(Throwable e) {
+        prevSize = blacklistedUsers.size();
-                        showError(e);
+        blacklistedUsers.clear();
+        didFetched = false;
     }
 
-                    @Override
+    private void handleComplete() {
-                    public void onComplete() {
+        Collections.sort(blacklistedUsers, this::sortByUserName);
-                        Collections.sort(blacklistedUsers, (a, b) -> sortByUserName(a,b));
+        didFetched = true;
         refreshUI();
     }
-                }));
+    private void handleError(Throwable e){
+        showError(e);
+        didFetched = false;
     }
 
     private void refreshUI(){
@@ -248,10 +257,8 @@ public class BlackList extends AppCompatActivity {
         );
     }
 
-
     private void handleAddUser(User user) {
         Toast.makeText(this, R.string.add_user_to_list, Snackbar.LENGTH_LONG).show();
-
         blacklistedUsers.clear();
         fetchBlackListedUsers();
     }
@@ -273,15 +280,15 @@ public class BlackList extends AppCompatActivity {
     }
 
     private void toggleEmptyNotes() {
-
         if (didFetched && blacklistedUsers.size() == 0) {
-            noNotesView.setText(R.string.list_is_empty);
             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 {
-            noNotesView.setText(getString(R.string.loading));
+            loader.setVisibility(View.VISIBLE);
-            noNotesView.setVisibility(View.VISIBLE);
         }
     }
 

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

@@ -27,6 +27,7 @@ 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;
 
@@ -39,8 +40,7 @@ import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.schedulers.Schedulers;
 import okhttp3.ResponseBody;
 
-public class
+public class LoginActivity extends AppCompatActivity {
-LoginActivity extends AppCompatActivity {
 
     private AutoCompleteTextView mLoginNameView;
     private EditText mPasswordView;
@@ -191,6 +191,7 @@ LoginActivity extends AppCompatActivity {
 
         getUserProfile(userId.asString());
 
+
         Intent data = new Intent();
         String txt = "Main Activity";
         data.setData(Uri.parse(txt));

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

@@ -4,9 +4,11 @@ import android.Manifest;
 import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
 import android.annotation.SuppressLint;
+import android.content.Context;
 import android.location.Location;
 import android.os.Bundle;
 import android.os.Handler;
+import android.os.PowerManager;
 import android.support.v4.content.ContextCompat;
 import android.support.v7.app.AlertDialog;
 import android.text.TextUtils;
@@ -45,12 +47,11 @@ 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.PredefinedStatusesService;
 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;
@@ -76,12 +77,12 @@ import static com.uam.wmi.findmytutor.utils.Const.mapRefreshInterval;
 public class MapActivity extends BaseActivity
         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();
@@ -92,9 +93,8 @@ public class MapActivity extends BaseActivity
     private Button removeLocationButton;
     private Marker tmpLocalMarker;
     private Coordinate droppedMarkercoordinate;
-    private HashMap<String, Coordinate> coordsMap = new HashMap<>();
+    public HashMap<String, Coordinate> coordsMap = new HashMap<>();
     private HashMap<String, MapMarker> markerHash = new HashMap<>();
-    public HashMap<Long, String> markerUserHash = new HashMap<>();
     private Set<String> previousCoordsIds = new HashSet<>();
     private ManualLocationUtils manualLocationUtils;
     // Camera Animation params
@@ -106,6 +106,11 @@ public class MapActivity extends BaseActivity
     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);
@@ -122,6 +127,7 @@ public class MapActivity extends BaseActivity
         mStatusChecker = () -> {
             try {
                 if (shouldFetchNewCoords) {
+                    checkIfUsesCanBeTutor();
                     fetchTopCoords();
                 }
             } finally {
@@ -130,7 +136,6 @@ public class MapActivity extends BaseActivity
 
         };
 
-
         selectLocationButton = findViewById(R.id.select_location_button);
         removeLocationButton = findViewById(R.id.remove_location_button);
         mapView = findViewById(R.id.mapView);
@@ -141,6 +146,11 @@ public class MapActivity extends BaseActivity
         handleBackgroundTaskLifeCycle();
         manualLocationUtils = new ManualLocationUtils(MapActivity.this);
         approximatedLocalization = new ApproximatedLocalization(MapUtils.loadJsonFromAsset(getApplicationContext(), "building.geojson"));
+
+        if(isTutor){
+            MapUtils.BatteryOptimizationsExceptionCheck(this);
+        }
+
     }
 
     @Override
@@ -204,13 +214,28 @@ public class MapActivity extends BaseActivity
 
         userName.setText(String.format("%s %s", user.getFirstName(), user.getLastName()));
 
-        if(cordStatus.equals("")){
+        if (cordStatus.equals("")) {
             status.setText(String.format("%s: %s", getResources().getString(R.string.status_switch_title), getString(R.string.lack_of_status)));
-        }else{
+        } else {
             status.setText(String.format("%s: %s", getResources().getString(R.string.status_switch_title), cordStatus));
         }
 
-        sharingLevelView.setText(String.format("%s: %s", getResources().getString(R.string.settings_location_level), sharingLevel));
+        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();
@@ -238,6 +263,7 @@ public class MapActivity extends BaseActivity
         mapboxMap.addOnMapClickListener(e -> {
             removeLocationButton.setVisibility(View.GONE);
             selectLocationButton.setVisibility(View.GONE);
+            restoreMapMarkers();
         });
     }
 
@@ -332,7 +358,7 @@ public class MapActivity extends BaseActivity
             Button dismissButton = alertDialog.getButton(AlertDialog.BUTTON_NEGATIVE);
 
             dismissButton.setOnClickListener(view1 -> {
-                PrefUtils.putCurrentManualLocationName(getApplicationContext(), "Inne");
+                PrefUtils.putCurrentManualLocationName(getApplicationContext(), getString(R.string.other_location));
                 PrefUtils.putCurrentManualLocation(getApplicationContext(), "-1");
 
                 alertDialog.dismiss();
@@ -383,6 +409,30 @@ public class MapActivity extends BaseActivity
         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(User user) {
+                                boolean tutorFromBackend = user.getTitle().equals("tutor");
+
+                                if(tutorFromBackend != PrefUtils.getIsTutor(getApplicationContext())){
+                                    logout();
+                                }
+                            }
+
+                            @Override
+                            public void onError(Throwable e) {
+                                showError(e);
+                            }
+                        }));
+
+    }
+
     private void fetchTopCoords() {
 
         disposable.add(
@@ -595,47 +645,6 @@ public class MapActivity extends BaseActivity
         }
     }
 
-    @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
-    public void onLowMemory() {
-        super.onLowMemory();
-        mapView.onLowMemory();
-    }
-
-    @Override
-    protected void onDestroy() {
-        super.onDestroy();
-        mapView.onDestroy();
-        mHandler.removeCallbacks(mStatusChecker);
-        disposable.dispose();
-    }
 
     @Override
     protected void onSaveInstanceState(Bundle outState) {
@@ -678,11 +687,13 @@ public class MapActivity extends BaseActivity
     @Override
     public void searchUser(String textToSearch) {
         getUserFromApi(textToSearch);
+
+        Log.e("LOCALE", LocaleUtils.getCurrentLocale());
     }
 
     private void getUserFromApi(String userNameToSearch) {
         disposable.add(
-                userService.getAllTutors()
+                userService.getAllOnlineTutors()
                         .subscribeOn(Schedulers.io())
                         .observeOn(AndroidSchedulers.mainThread())
                         .map(tutors -> Stream.of(tutors).filter(t ->
@@ -690,6 +701,7 @@ public class MapActivity extends BaseActivity
                         .subscribeWith(new DisposableSingleObserver<List<User>>() {
                             @Override
                             public void onSuccess(List<User> users) {
+                                Log.e("USERS", String.valueOf(users));
                                 filterMarkers(users);
                             }
 
@@ -721,7 +733,7 @@ public class MapActivity extends BaseActivity
     }
 
     public void restoreMapMarkers() {
-
+        try {
             for (Marker marker : mapboxMap.getMarkers()) {
                 MapMarker markerMap = markerHash.get(markerUserHash.get(marker.getId()));
 
@@ -730,10 +742,56 @@ public class MapActivity extends BaseActivity
             }
 
             mapboxMap.getMarkerViewManager().update();
+        } catch (Exception e) {
+            Log.e("MAP", String.valueOf(e));
+        }
     }
 
     public void adjustMapToSearch(Integer zoom) {
         MapUtils.setZoom(mapboxMap, zoom);
     }
 
+
+    @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
+    public void onLowMemory() {
+        super.onLowMemory();
+        mapView.onLowMemory();
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        mapView.onDestroy();
+        mHandler.removeCallbacks(mStatusChecker);
+        disposable.dispose();
+    }
+
 }

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

@@ -1,6 +1,7 @@
 package com.uam.wmi.findmytutor.activity;
 
 import android.annotation.SuppressLint;
+import android.content.Context;
 import android.content.Intent;
 import android.content.res.Configuration;
 import android.content.res.Resources;
@@ -15,12 +16,15 @@ 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();
 
@@ -33,9 +37,15 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
         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);
-            Resources res = getResources();
             DisplayMetrics dm = res.getDisplayMetrics();
             Configuration conf = res.getConfiguration();
             conf.locale = myLocale;
@@ -62,9 +72,12 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
             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");
                 }

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

@@ -3,41 +3,36 @@ package com.uam.wmi.findmytutor.activity;
 import android.annotation.SuppressLint;
 import android.app.AlertDialog;
 import android.app.FragmentTransaction;
-import android.app.TimePickerDialog;
+import android.content.Context;
 import android.content.DialogInterface;
 import android.content.SharedPreferences;
-import android.graphics.drawable.ColorDrawable;
 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.support.annotation.NonNull;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TimePicker;
 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.adapters.TutorsListAdapter;
 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 org.apache.commons.collections4.BidiMap;
-
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
@@ -49,6 +44,7 @@ import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.observers.DisposableSingleObserver;
 import io.reactivex.schedulers.Schedulers;
 import okhttp3.ResponseBody;
+
 import static com.mapbox.mapboxsdk.Mapbox.getApplicationContext;
 
 
@@ -63,9 +59,9 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
     protected RightButtonPreference removeManualStatus;
     protected Preference manualStatus;
     protected ListPreference statusList;
-    private HashMap<String,String> locationMap;
-   private ArrayList <String> locationUUIDs;
     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;
@@ -89,9 +85,9 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
                     @Override
                     public void onSuccess(List<String> strings) {
                         statusesArray = strings.toArray(new String[strings.size()]);
-                       if(strings.isEmpty()){
+                        if (strings.isEmpty()) {
                             disableStatusPreferences();
-                       }else{
+                        } else {
                             enableStatusPreferences();
                         }
 //                       Log.d("STATUSES",Integer.toString(statusesArray.length ));
@@ -116,10 +112,12 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
                     public void onSuccess(List<PredefinedCoordViewModel> coords) {
 
                         String currentCoordId = PrefUtils.getCurrentManualLocation(getApplicationContext());
-                       locationMap = new HashMap<String,String>();
+                        locationMap = new HashMap<String, String>();
                         locationUUIDs = new ArrayList<String>();
-                       for (PredefinedCoordViewModel i : coords) locationMap.put(i.getPredefinedCoordinateId(),i.getName());
+                        for (PredefinedCoordViewModel i : coords)
-                       for (PredefinedCoordViewModel i : coords) locationUUIDs.add(i.getPredefinedCoordinateId());
+                            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);
@@ -127,16 +125,9 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
                             preferenceCategory.removePreference(manualLocationList);
                             preferenceCategory.removePreference(removeManualLocation);
                             preferenceCategory.removePreference(manualLocationButton);
-                       }else{
+                        } else {
-                          if(predefinedCoordsList.isEmpty()){
+                            if (!predefinedCoordsList.isEmpty()) {
-                             locationSharing.setEnabled(false);
+
-                             locationSharing.setChecked(false);
-                             PrefUtils.disableSharing(getApplicationContext());
-                             ((MapActivity) getActivity()).handleBackgroundTaskLifeCycle();
-                             removeManualLocation.setEnabled(false);
-                             manualLocationList.setEnabled(false);
-                             manualLocationList.setSummary("");
-                          }else{
                                 manualLocationList.setEnabled(true);
                                 manualLocationList.setSummary(PrefUtils.getCurrentManualLocationName(getApplicationContext()));
                                 removeManualLocation.setEnabled(true);
@@ -148,10 +139,9 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
                         List<Integer> activesId = Stream.of(coords).indexed()
                                 .filter(v -> v.getSecond().getPredefinedCoordinateId().equals(currentCoordId)).map(IntPair::getFirst).toList();
 
-                        if( activesId.size() == 0){
+                        if (activesId.size() == 0) {
                             setListPreferenceData(manualLocationList, stringnames, null);
-                        }
+                        } else {
-                        else {
                             setListPreferenceData(manualLocationList, stringnames, activesId.get(0));
                         }
 
@@ -161,7 +151,6 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
                     public void onError(Throwable e) {
                         Toast.makeText(getApplicationContext(), R.string.error_location_fetch, Toast.LENGTH_SHORT).show();
                     }
-
                 }));
     }
 
@@ -204,7 +193,6 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
         manualLocationList.setSummary(PrefUtils.getCurrentManualLocationName(getApplicationContext()));
 
 
-
         /** Main sharing switch**/
         locationSharing.setOnPreferenceChangeListener((buttonView, newValue) -> {
             PrefUtils.storeEnableSharingLocalization(getApplicationContext(), (Boolean) newValue);
@@ -214,20 +202,14 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
 
         /** Sharing level list **/
         locationMode.setOnPreferenceChangeListener((preference, newValue) -> {
-           PrefUtils.storeLocationMode(getApplicationContext(), locationLevelMapping.get(Integer.parseInt((String) newValue)));
-
             ((MapActivity) getActivity()).stopBackgroundLocalizationTask();
             ((MapActivity) getActivity()).startBackgroundLocalizationTask();
+            PrefUtils.storeLocationMode(getApplicationContext(), locationLevelMapping.get(Integer.parseInt((String) newValue)));
+
             if (PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.MANUAL.toString())) {
                 if (!predefinedCoordsList.isEmpty()) {
                     preferenceCategory.addPreference(manualLocationList);
                     preferenceCategory.addPreference(removeManualLocation);
-                }else{
-                   locationSharing.setEnabled(false);
-                   locationSharing.setChecked(false);
-                   PrefUtils.disableSharing(getApplicationContext());
-                   ((MapActivity) getActivity()).handleBackgroundTaskLifeCycle();
-
                 }
                 preferenceCategory.addPreference(manualLocationButton);
             } else {
@@ -263,9 +245,6 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
             return true;
         });
 
-
-
-
         /** Button 'choose from map' button listener **/
         manualLocationButton.setOnPreferenceChangeListener((preference, o) -> {
             FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
@@ -287,8 +266,7 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
             @Override
             public boolean onPreferenceClick(Preference preference) {
 
-             if(statusesArray.length == 0)
+                if (statusesArray.length == 0) {
-             {
                     builder.setTitle("nie ma wody na pustyni");
                 }
                 return true;
@@ -305,29 +283,30 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
             return true;
         });
         removeManualStatus.setOnPreferenceChangeListener((preference, newValue) -> {
-          showRemoveDialog(statusList.getEntries(),"status");
+            showRemoveDialog(statusList.getEntries(), "status");
             return true;
         });
 
         removeManualLocation.setOnPreferenceChangeListener(((preference, newValue) -> {
-          showRemoveDialog(manualLocationList.getEntries(),"location");
+            showRemoveDialog(manualLocationList.getEntries(), "location");
             return true;
 
         }));
     }
-    public void showRemoveDialog(CharSequence[] entries, String service){
+
-        boolean [] checked = new boolean[entries.length];
+    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++){
+                for (int i = 0; i < entries.length; i++) {
-                   if(checked[i] == true) {
+                    if (checked[i] == true) {
                         tobeDeleted.add((String) entries[i]);
                     }
                 }
-               removeEntries(service,tobeDeleted);
+                removeEntries(service, tobeDeleted);
 //               Log.d("MANAGE-PREF",tobeDeleted.toString());
             }
         });
@@ -348,21 +327,21 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
         return view;
     }
 
-    protected  void removeEntries(String service, ArrayList<String> toBeDeleted){
+    protected void removeEntries(String service, ArrayList<String> toBeDeleted) {
 
 //       Log.d("MANAGE-PREF", toBeDeleted.toString());
-       if(service.equals("status")){
+        if (service.equals("status")) {
-          for (String uuid:toBeDeleted) {
+            for (String uuid : toBeDeleted) {
                 disposable.add(statusesService.deleteUserPredefinedStatus(PrefUtils.getUserId(getApplicationContext()), uuid)
                         .subscribeOn(Schedulers.io())
                         .observeOn(AndroidSchedulers.mainThread())
                         .subscribe(this::handleDeleteStatuses, this::handleError));
             }
-       }else {
+        } else {
             ArrayList<String> uuidsToBeDeleted = new ArrayList<String>();
-          for (String name:toBeDeleted) {
+            for (String name : toBeDeleted) {
-             for (String uuid:locationUUIDs) {
+                for (String uuid : locationUUIDs) {
-                if(locationMap.get(uuid).equals(name)){
+                    if (locationMap.get(uuid).equals(name)) {
                         uuidsToBeDeleted.add(uuid);
                     }
                 }
@@ -403,9 +382,9 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
     ;
 
     private void handleResponse(List<String> resp) {
-       if(resp.size() == 1){
+        if (resp.size() == 1) {
             enableStatusPreferences();
-          if(PrefUtils.isStatusEnabled(getApplicationContext()) == false){
+            if (PrefUtils.isStatusEnabled(getApplicationContext()) == false) {
                 PrefUtils.enableStatus(getApplicationContext());
                 statusSwitch.setChecked(true);
             }
@@ -428,37 +407,38 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
                     "Network error " + error.getMessage(), Toast.LENGTH_SHORT).show();
         }
     }
-   private void handleDeleteStatuses(List<String> resp){
+
-       if(resp.isEmpty()){
+    private void handleDeleteStatuses(List<String> resp) {
+        if (resp.isEmpty()) {
             disableStatusPreferences();
-       }else{
+        } else {
             String[] statusesArray = resp.toArray(new String[resp.size()]);
             setListPreferenceData(statusList, statusesArray, null);
             String currentEntry = PrefUtils.getUserStatus(getApplicationContext());
-          if(resp.contains(currentEntry)){
+            if (resp.contains(currentEntry)) {
                 statusList.setValueIndex(resp.indexOf(currentEntry));
-          }else{
+            } else {
                 statusList.setValueIndex(0);
                 statusList.setSummary(resp.get(0));
             }
         }
 
     }
-   private void handleDeleteLocations(List<PredefinedCoordViewModel> resp){
+
+    private void handleDeleteLocations(List<PredefinedCoordViewModel> resp) {
         getLocations(disposable);
         String currentEntry = PrefUtils.getCurrentManualLocation(getApplicationContext());
-      if(resp.isEmpty()){
+        if (resp.isEmpty()) {
             disableManualLocationPreferences();
-      }else{
+        } else {
-         if(!Stream.of(resp).filter(x -> x.getName().equals(currentEntry)).toList().isEmpty())
+            if (!Stream.of(resp).filter(x -> x.getName().equals(currentEntry)).toList().isEmpty()) {
-         {
+                for (PredefinedCoordViewModel location : resp) {
-            for (PredefinedCoordViewModel location: resp) {
+                    if (location.getName().equals(currentEntry)) {
-               if(location.getName().equals(currentEntry)){
                         manualLocationList.setValueIndex(resp.indexOf(location));
                         break;
                     }
                 }
-         }else{
+            } else {
                 manualLocationList.setValueIndex(0);
                 manualLocationList.setSummary(resp.get(0).getName());
                 //todo czy na pewno w shared pref sa dobre wartosci
@@ -466,7 +446,8 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
 
         }
     }
-   private void disableStatusPreferences(){
+
+    private void disableStatusPreferences() {
         removeManualStatus.setEnabled(false);
         statusList.setEnabled(false);
         statusSwitch.setEnabled(false);
@@ -474,13 +455,15 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
         PrefUtils.disableStatus(getApplicationContext());
 
     }
-   private void enableStatusPreferences(){
+
+    private void enableStatusPreferences() {
         removeManualStatus.setEnabled(true);
         statusList.setEnabled(true);
         statusSwitch.setEnabled(true);
         statusList.setSummary(PrefUtils.getUserStatus(getApplicationContext()));
     }
-   private void disableManualLocationPreferences(){
+
+    private void disableManualLocationPreferences() {
         removeManualLocation.setEnabled(false);
         manualLocationList.setEnabled(false);
         manualLocationList.setSummary("");
@@ -490,7 +473,8 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
         ((MapActivity) getActivity()).handleBackgroundTaskLifeCycle();
 
     }
-   private void enableManualLocationPreferences(){
+
+    private void enableManualLocationPreferences() {
         removeManualLocation.setEnabled(true);
         manualLocationList.setEnabled(true);
 
@@ -520,4 +504,5 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
         super.onDestroy();
         disposable.dispose();
     }
+
 }

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

@@ -1,16 +1,29 @@
 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;
@@ -19,6 +32,11 @@ 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) {
 
@@ -31,12 +49,11 @@ public class StartupActivity extends AppCompatActivity {
             finish();
         } else {
             Intent loginIntent = new Intent(this, LoginActivity.class);
-//            Intent loginIntent = new Intent(this, ScrollingActivity.class);
             startActivityForResult(loginIntent, AUTHENTICATION_REQUEST_CODE);
+
         }
 
         super.onCreate(savedInstanceState);
-
     }
 
     @Override
@@ -49,4 +66,8 @@ public class StartupActivity extends AppCompatActivity {
 
         finish();
     }
+
+
 }
+
+

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

@@ -1,4 +1,5 @@
 package com.uam.wmi.findmytutor.activity;
+import android.annotation.SuppressLint;
 import android.app.Dialog;
 import android.app.DialogFragment;
 import android.app.TimePickerDialog;
@@ -11,11 +12,13 @@ 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;

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

@@ -1,10 +1,9 @@
 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.design.widget.TextInputLayout;
-import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
@@ -29,12 +28,11 @@ 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.InfoHelperUtils;
+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.Arrays;
 import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -42,12 +40,10 @@ import java.util.regex.Pattern;
 import butterknife.ButterKnife;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
-import io.reactivex.observers.DisposableCompletableObserver;
 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 {
@@ -69,42 +65,24 @@ public class TutorTab extends AppCompatActivity {
     private DutyHoursAdapter dutyHoursAdapter;
     private RecyclerView.LayoutManager dutyHoursLayoutManager;
     private TutorTabViewModel newTab;
-    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);
-
-        if(matcher.matches())
-            return true;
-        else
-            return false;
-    }
     @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);
-        Toolbar toolbar = findViewById(R.id.toolbar);
-        toolbar.setTitle(getString(R.string.profile_activity_title));
-        setSupportActionBar(toolbar);
         ButterKnife.bind(this);
 
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        toolbar.setTitle(R.string.profile_activity_title);
+        setSupportActionBar(toolbar);
+
         userName = findViewById(R.id.userName);
-        userNote = (TextInputEditText) findViewById(R.id.userNote);
+        userNote = findViewById(R.id.userNote);
         userRoom = findViewById(R.id.userRoom);
         userEmail = findViewById(R.id.userEmail);
         department = findViewById(R.id.userDepartment);
-        saveButon = findViewById(R.id.saveButon);
+        saveButon = findViewById(R.id.saveButton);
         scrapButton = findViewById(R.id.scrapTutorTab);
         addDutyButton = findViewById(R.id.addDuty);
         dutyHoursRecycller = findViewById(R.id.dutyHourView);
@@ -118,8 +96,6 @@ public class TutorTab extends AppCompatActivity {
 
         getTutorTab();
 
-//        findViewById(R.id.contentTutorTabInfoImageButton).setOnClickListener(v-> InfoHelperUtils.infoPopUp(v,R.layout.info_popup_tutor_tab));
-
         userName.setText(String.format("%s %s", PrefUtils.getUserFirstName(getApplicationContext()), PrefUtils.getUserLastName(getApplicationContext())));
 
         disposable.add(
@@ -236,7 +212,6 @@ public class TutorTab extends AppCompatActivity {
             }else{
                 userEmail.setError(getString(R.string.error_invalid_email));
             }
-
         });
     }
 
@@ -286,7 +261,6 @@ public class TutorTab extends AppCompatActivity {
             Toast.makeText(getApplicationContext(),
                     "Network error " + error.getMessage(), Toast.LENGTH_SHORT).show();
 
-
             Log.e("WMI SUCC", String.valueOf(error));
 
         }
@@ -304,4 +278,26 @@ public class TutorTab extends AppCompatActivity {
         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/UsersListFragment.java

@@ -4,6 +4,7 @@ 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;
@@ -14,6 +15,7 @@ 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;
@@ -24,21 +26,24 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
-import android.widget.Button;
+import android.widget.LinearLayout;
-import android.widget.ImageView;
 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;
@@ -46,14 +51,21 @@ 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;
@@ -69,13 +81,18 @@ public class UsersListFragment extends Fragment {
     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());
 
@@ -87,7 +104,7 @@ public class UsersListFragment extends Fragment {
     }
 
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        mAdapter = new TutorsListAdapter(getActivity().getApplicationContext(), tutorsList);
+        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);
@@ -99,9 +116,10 @@ public class UsersListFragment extends Fragment {
 
         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);
@@ -109,8 +127,10 @@ public class UsersListFragment extends Fragment {
         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() {
@@ -193,6 +213,9 @@ public class UsersListFragment extends Fragment {
         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()));
@@ -222,15 +245,15 @@ public class UsersListFragment extends Fragment {
                             @Override
                             public void onSuccess(TutorTabViewModel tutorTabViewModel) {
                                 final AlertDialog alertDialog;
-                                if (((MapActivity) getActivity()).markerUserHash.containsValue(user.getId())) {
+                                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();
-                                        List<User> list = new ArrayList<User>();
+                                        ((MapActivity) getActivity()).searchUser(user.getFirstName());
-                                        list.add(user);
-                                        ((MapActivity) getActivity()).filterMarkers(list);
                                         ((MapActivity) getActivity()).updateNavigationBarState();
                                     });
                                 }
@@ -254,6 +277,16 @@ public class UsersListFragment extends Fragment {
                                 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);
 
@@ -273,10 +306,28 @@ public class UsersListFragment extends Fragment {
         disposable.add(
                 (fetchOnlyOnlineUsers ?
                         userService.getAllActiveTutors() :
-                        userService.getAllOfflineTutors())
+                        userService.getAllTutors())
                         .subscribeOn(Schedulers.io())
                         .observeOn(AndroidSchedulers.mainThread())
-                        .map(tutors -> {
+                        .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)
@@ -293,24 +344,8 @@ public class UsersListFragment extends Fragment {
         sortedUserList.addAll(notActiveTutors);
 
         return sortedUserList;
-                        })
-                        .subscribeWith(new DisposableSingleObserver<List<User>>() {
-                            @Override
-                            public void onSuccess(List<User> users) {
-                                tutorsList.clear();
-                                tutorsList.addAll(users);
-                                mAdapter.notifyDataSetChanged();
-                                toggleEmptyNotes();
     }
 
-                            @Override
-                            public void onError(Throwable e) {
-                                showError(e);
-                            }
-                        }));
-    }
-
-
     private void searchTutorInBackend(String searchString) {
         disposable.add(
                 userService.searchUser(searchString)
@@ -334,6 +369,7 @@ public class UsersListFragment extends Fragment {
 
     public void restoreUsersList() {
         fetchAllTutors();
+        fetchTopCords();
     }
 
     private int sortByUserName(User t1, User t2) {
@@ -378,9 +414,10 @@ public class UsersListFragment extends Fragment {
     }
 
     private void toggleEmptyNotes() {
-        if (tutorsList.size() > 0) {
+        loader.setVisibility(View.GONE);
         noNotesView.setVisibility(View.GONE);
-        } else {
+
+        if (tutorsList.size() == 0) {
             noNotesView.setVisibility(View.VISIBLE);
             if (fetchOnlyOnlineUsers)
                 noNotesView.setText(R.string.no_online_users);
@@ -390,6 +427,35 @@ public class UsersListFragment extends Fragment {
         }
     }
 
+
+    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();
@@ -412,7 +478,4 @@ public class UsersListFragment extends Fragment {
         super.onStop();
     }
 
-    public void onSaveInstanceState(Bundle outState) {
-        super.onSaveInstanceState(outState);
-    }
 }

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

@@ -1,8 +1,11 @@
 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;
@@ -27,6 +30,7 @@ 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;
@@ -35,6 +39,7 @@ 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;
@@ -44,7 +49,6 @@ 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;
 
@@ -54,6 +58,7 @@ 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;
@@ -61,11 +66,6 @@ import okhttp3.ResponseBody;
 
 public class WhiteList extends AppCompatActivity {
 
-    private CompositeDisposable disposable = new CompositeDisposable();
-    private UserService userService;
-    private boolean didFetched = false;
-    private String tutorId;
-
     @BindView(R.id.recycler_view_whitelist)
     RecyclerView recyclerView;
     @BindView(R.id.white_list_empty_text_view)
@@ -75,27 +75,42 @@ public class WhiteList extends AppCompatActivity {
     @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)){
+        if (PrefUtils.isWhiteListing(this)) {
-            aSwitch.setText(getString(R.string.action_white_list) +" ON");
+            aSwitch.setText(getString(R.string.action_white_list) +" "+getString(R.string.on) );
             aSwitch.setChecked(true);
             handleChangeRequest(true);
-        }else{
+        } else {
-            aSwitch.setText(getString(R.string.action_white_list) +" OFF");
+            aSwitch.setText(getString(R.string.action_white_list) +" "+getString(R.string.off) );
             aSwitch.setChecked(false);
             handleChangeRequest(false);
         }
@@ -109,6 +124,7 @@ public class WhiteList extends AppCompatActivity {
         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
@@ -147,34 +163,32 @@ public class WhiteList extends AppCompatActivity {
     }
 
     private void fetchWhiteListedUsers() {
-        prevSize = whitelistedUsers.size();
-        whitelistedUsers.clear();
-
         disposable.add(getListOfWhitelistedUsers(tutorId)
+                .doOnSubscribe(this::handleDoOnSubscribe)
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
-                        .flatMap((Function<List<String>, Observable<String>>) Observable::fromIterable)
+                .flatMap(Observable::fromIterable)
-                        .flatMap((Function<String, ObservableSource<User>>) this::getUserObservable)
+                .flatMap(this::getUserObservable)
-                        .subscribeWith(new DisposableObserver<User>() {
+                .subscribe(user ->  whitelistedUsers.add(user), this::handleError,this::handleComplete));
-                            @Override
-                            public void onNext(User user) {
-                                whitelistedUsers.add(user);
     }
 
-                            @Override
+    private void handleDoOnSubscribe(Disposable disposable) {
-                            public void onError(Throwable e) {
+        prevSize = whitelistedUsers.size();
-                                showError(e);
+        whitelistedUsers.clear();
+        didFetched = false;
     }
 
-                            @Override
+    private void handleComplete() {
-                            public void onComplete() {
+        Collections.sort(whitelistedUsers, this::sortByUserName);
-                                Collections.sort(whitelistedUsers, (a, b) -> sortByUserName(a,b));
+        didFetched = true;
         refreshUI();
     }
-                        }));
+    private void handleError(Throwable e){
+        showError(e);
+        didFetched = false;
     }
 
-    private void refreshUI(){
+    private void refreshUI() {
         toggleEmptyNotes();
         mAdapter.notifyItemRangeInserted(prevSize, whitelistedUsers.size() - prevSize);
         mAdapter.notifyDataSetChanged();
@@ -184,7 +198,7 @@ public class WhiteList extends AppCompatActivity {
         return plCollator.compare(t1.getLastName(), t2.getLastName());
     }
 
-    private void showFabDialog(View v){
+    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);
@@ -230,7 +244,7 @@ public class WhiteList extends AppCompatActivity {
                 userService.addStudentToWhitelist(tutorId, studentIdModel)
                         .subscribeOn(Schedulers.io())
                         .observeOn(AndroidSchedulers.mainThread())
-                        .subscribe(this::handleAddUser,this::showError)
+                        .subscribe(this::handleAddUser, this::showError)
         );
     }
 
@@ -251,30 +265,34 @@ public class WhiteList extends AppCompatActivity {
         } else {
             message = "Network Error !";
         }
-        Log.e("ERR",message);
+        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);
-            noNotesView.setVisibility(View.VISIBLE);
+            loader.setVisibility(View.GONE);
-        }else if (whitelistedUsers.size() > 0) {
+        } else if (whitelistedUsers.size() > 0) {
             noNotesView.setVisibility(View.GONE);
+            loader.setVisibility(View.GONE);
         } else {
-            noNotesView.setText(getString(R.string.loading));
+            loader.setVisibility(View.VISIBLE);
-            noNotesView.setVisibility(View.VISIBLE);
         }
     }
 
 
+
+
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
 
-        if (item.getItemId()==R.id.action_whitelist_info_popup){
+        if (item.getItemId() == R.id.action_whitelist_info_popup) {
             int layoutID = R.layout.info_popup_whitelist;
 
-            View popupView = getLayoutInflater().inflate(layoutID,null);
+            View popupView = getLayoutInflater().inflate(layoutID, null);
 
             PopupWindow popupWindow = new PopupWindow(popupView,
                     LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
@@ -283,36 +301,36 @@ public class WhiteList extends AppCompatActivity {
             // 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);
+            View anchorView = getWindow().getDecorView().findViewById(android.R.id.content);
-            popupWindow.showAtLocation(anchorView,Gravity.TOP|Gravity.END, 0, 0);
+            popupWindow.showAtLocation(anchorView, Gravity.TOP | Gravity.END, 0, 0);
         }
 
         return super.onOptionsItemSelected(item);
     }
 
-    private void handleSwitch(){
+    private void handleSwitch() {
         aSwitch.setOnCheckedChangeListener((buttonView, isChecked) -> {
-            if (isChecked){
+            if (isChecked) {
-                aSwitch.setText(getString(R.string.action_white_list) + " "+ getString(R.string.on));
+                aSwitch.setText(getString(R.string.action_white_list) + " " + getString(R.string.on));
                 handleChangeRequest(true);
                 PrefUtils.useWhitelist(this, true);
-            }else {
+            } else {
-                aSwitch.setText(getString(R.string.action_white_list) + " "+getString(R.string.off));
+                aSwitch.setText(getString(R.string.action_white_list) + " " + getString(R.string.off));
                 handleChangeRequest(false);
                 PrefUtils.useWhitelist(this, false);
             }
         });
     }
 
-    private void handleChangeRequest(boolean value){
+    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(()->{
+                        .subscribe(() -> {
-            },this::showError)
+                        }, this::showError)
         );
     }
 

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

@@ -1,3 +1,4 @@
+/*
 package com.uam.wmi.findmytutor.adapters;
 
 import android.content.Context;
@@ -9,9 +10,11 @@ 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;
@@ -22,10 +25,12 @@ public class TutorsListAdapter extends RecyclerView.Adapter<TutorsListAdapter.My
 
     private Context context;
     private List<User> tutorsList;
+    private HashMap<String, String> tutorsTimeStamps;
 
-    public TutorsListAdapter(Context context, List<User> tutors) {
+    public TutorsListAdapter(Context context, List<User> tutors, HashMap<String,String> tutorsTimeStamps) {
         this.context = context;
         this.tutorsList = tutors;
+        this.tutorsTimeStamps = tutorsTimeStamps;
     }
     @NonNull
     @Override
@@ -41,17 +46,32 @@ public class TutorsListAdapter extends RecyclerView.Adapter<TutorsListAdapter.My
         Drawable image = null;
         User tutor = tutorsList.get(position);
 
-        holder.firstName.setText(tutor.getFirstName());
+        holder.firstName.setText(String.format("%s %s", tutor.getFirstName(), tutor.getLastName()));
-        holder.lastName.setText(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());
@@ -68,17 +88,132 @@ public class TutorsListAdapter extends RecyclerView.Adapter<TutorsListAdapter.My
         @BindView(R.id.firstName)
         TextView firstName;
 
-        @BindView(R.id.lastName)
+        @BindView(R.id.lastSeen)
-        TextView lastName;
+        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/service/BackgroundLocalizationService.java

@@ -34,9 +34,11 @@ 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.SharingLevel;
+import com.uam.wmi.findmytutor.utils.WifiUtils;
 
 import org.apache.commons.collections4.queue.CircularFifoQueue;
 
@@ -122,6 +124,12 @@ public class BackgroundLocalizationService extends Service {
                     mCurrentLocation = locationResult.getLastLocation();
                     sendCoordinateToBackend(mCurrentLocation);
                     changeBackgroundMode();
+
+                    //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();
+                    }
                 }
             }
         };
@@ -140,10 +148,34 @@ public class BackgroundLocalizationService extends Service {
             startForeground(1001, notification);
         }
 
-        if (!stopService && !PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.MANUAL.toString())) {
+        if (!stopService) {
+            if (PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.PRESENCE.toString())) {
+                if (WifiUtils.checkIfUserIsInRangeOfWmiWifi(getApplicationContext())) {
+                    Location presenceFakeLoc = new Location("");
+
+                    presenceFakeLoc.setLatitude(Const.presenceLatitude);
+                    presenceFakeLoc.setLongitude(Const.presenceLongitude);
+                    presenceFakeLoc.setAltitude(0);
+                    createPresenceLooper(presenceFakeLoc);
+                } else {
                     createFusedLocationClient();
-        } else if (!stopService &&
+                }
-                PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.MANUAL.toString())) {
+            } 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("");
+
+                manualFakeLoc.setLatitude(0);
+                manualFakeLoc.setLongitude(0);
+                manualFakeLoc.setAltitude(0);
+                createLowBatteryLooper(manualFakeLoc);
+            }
+        }
+    }
+
+    private void createLowBatteryLooper(Location fakeLoc) {
         mStatusChecker = () -> {
             try {
                 sendCoordinateToBackend(fakeLoc);
@@ -151,10 +183,24 @@ public class BackgroundLocalizationService extends Service {
                 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));
@@ -168,7 +214,7 @@ public class BackgroundLocalizationService extends Service {
         if (saveMode != 0) {
             mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
         } else {
-            mLocationRequest.setPriority(LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY);
+            mLocationRequest.setPriority(LocationRequest.PRIORITY_LOW_POWER);
         }
 
         mLocationRequest.setFastestInterval(notify_interval);
@@ -186,18 +232,19 @@ public class BackgroundLocalizationService extends Service {
     private void changeBackgroundMode() {
         Integer prevInterval = notify_interval;
         Boolean shouldExtendTimeInterval = Stream.of(coordinatesHistory)
-                .map(MapUtils::checkIfCoordinateIsValid).takeWhile(s -> !s).toList().size() == coordinatesHistory.size();
+                .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;
         }
 
-        if (coordinatesHistory.size() > coordinatesHistoryLength && shouldExtendTimeInterval) {
-            notify_interval = notify_interval_outside_building;
-        }
 
         Integer changedMode = Long.valueOf(prevInterval).compareTo(Long.valueOf(notify_interval));
         if (changedMode != 0) {
@@ -293,7 +340,7 @@ 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));
         }
@@ -306,6 +353,7 @@ public class BackgroundLocalizationService extends Service {
 
             if (locationLevel.equals(SharingLevel.PRESENCE.toString())) {
                 if (!MapUtils.checkIfCoordinateIsValid(latitude, longitude)) {
+                    coordinatesHistory.add(fakeLoc);
                     return null;
                 }
 

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

@@ -25,7 +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();
@@ -42,4 +42,6 @@ public interface CoordinateService {
     @DELETE("api/coordinates/{id}")
     Completable deleteCoordinatesById(@Path("id") String id);
 
+
+
 }

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

@@ -39,6 +39,9 @@ public interface UserService {
     @GET("api/users/tutors/active")
     Single <List<User>> getAllActiveTutors();
 
+
+
+
     @GET("api/users/tutors/offline")
     Single <List<User>> getAllOfflineTutors();
 
@@ -60,6 +63,9 @@ public interface UserService {
     @GET("api/users/{id}")
     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);
 

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

@@ -17,8 +17,10 @@ public class Const {
     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(52.463512, 52.468837);
+    public final static Range<Double> outsideLatitudeRange = Range.create(52.4651, 52.468837);
-    public final static Range<Double> outsideLongitudeRange = Range.create(16.922372, 16.936004);
+    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/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

@@ -1,10 +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(){
+    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/MapUtils.java

@@ -1,8 +1,12 @@
 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;
@@ -10,12 +14,15 @@ 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.uam.wmi.findmytutor.utils.Const.outsideLongitudeRange;
+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 {
 
@@ -73,14 +80,34 @@ public class MapUtils {
         }
     }
 
-    public static Boolean checkIfCoordinateIsValid(Location coordinate){
+    public static Boolean checkIfCoordinateIsValid(Location coordinate) {
         return outsideLatitudeRange.contains(coordinate.getLatitude()) && outsideLongitudeRange.contains(coordinate.getLongitude());
     }
 
-    public static Boolean checkIfCoordinateIsValid(Double latitude, Double longitude){
+    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.

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

@@ -243,4 +243,13 @@ public class PrefUtils {
         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/RxSearchObservable.java

@@ -1,16 +1,13 @@
 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() {
-        // no instance
     }
 
     public static Observable<String> fromView(SearchView searchView) {
@@ -30,13 +27,8 @@ public class RxSearchObservable {
                 subject.onNext(text);
                 return false;
             }
-
-
-
-
         });
 
-
         return subject;
     }
 }

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/res/drawable/user_modal_title.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+  <path
+      android:fillColor="#ffffff"
+      android:pathData="M22 10l-6-6H4c-1.1 0-2 0.9-2 2v12.01c0 1.1 0.9 1.99 2 1.99l16-0.01c1.1 0 2-0.89 2-1.99v-8zm-7-4.5l5.5 5.5H15V5.5z" />
+  <path
+      android:pathData="M0 0h24v24H0V0z" />
+</vector>

app/src/main/res/layout/activity_black_list.xml

@@ -40,7 +40,7 @@
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:layout_alignParentRight="true"
-                    android:text="Block the users"
+                    android:text="@string/block_the_users"
                     android:textSize="15sp"/>
 
                 <Switch

app/src/main/res/layout/activity_login.xml

@@ -4,13 +4,13 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:fontFamily="@font/lato_regular"
     android:gravity="center_horizontal"
     android:orientation="vertical"
-    android:paddingBottom="@dimen/activity_vertical_margin"
     android:paddingLeft="@dimen/activity_horizontal_margin"
-    android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin"
-    android:fontFamily="@font/lato_regular"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin"
     tools:context=".activity.LoginActivity">
 
 
@@ -58,6 +58,7 @@
 
             <android.support.design.widget.TextInputLayout
                 android:layout_width="match_parent"
+                app:passwordToggleEnabled="true"
                 android:layout_height="wrap_content">
 
                 <EditText
@@ -74,7 +75,6 @@
 
             </android.support.design.widget.TextInputLayout>
 
-
             <Button
                 android:id="@+id/email_sign_in_button"
                 style="?android:textAppearanceSmall"
@@ -84,7 +84,6 @@
                 android:text="@string/action_log_in"
                 android:textStyle="bold" />
 
-
         </LinearLayout>
     </ScrollView>
 </LinearLayout>

app/src/main/res/layout/activity_tutor_tab.xml

@@ -5,30 +5,29 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:fontFamily="@font/lato_regular"
+    android:id="@+id/activity_tutor_tab"
     tools:context=".activity.TutorTab">
 
     <android.support.design.widget.AppBarLayout
+        android:id="@+id/app_bar"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="@dimen/app_bar_height"
+        android:fitsSystemWindows="true"
         android:theme="@style/AppTheme.AppBarOverlay">
 
-        <android.support.v7.widget.Toolbar
+        <android.support.design.widget.CollapsingToolbarLayout
-            android:id="@+id/toolbar"
+            android:id="@+id/toolbar_layout"
             android:layout_width="match_parent"
-            android:layout_height="?attr/actionBarSize"
+            android:layout_height="match_parent"
-            android:background="?attr/colorPrimary"
+            android:fitsSystemWindows="true"
-            app:popupTheme="@style/AppTheme.PopupOverlay" />
+            app:contentScrim="?attr/colorPrimary"
+            app:layout_scrollFlags="scroll|exitUntilCollapsed"
+            app:expandedTitleGravity="top|right"
+            app:toolbarId="@+id/toolbar"
+            />
 
     </android.support.design.widget.AppBarLayout>
 
     <include layout="@layout/content_tutor_tab" />
 
-    <android.support.design.widget.FloatingActionButton
-        android:id="@+id/fab"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="bottom|end"
-        android:layout_margin="@dimen/fab_margin"
-        app:srcCompat="@android:drawable/ic_dialog_email" />
-
 </android.support.design.widget.CoordinatorLayout>

app/src/main/res/layout/activity_white_list.xml

@@ -40,7 +40,7 @@
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:layout_alignParentRight="true"
-                    android:text="Be visible for these users"
+                    android:text="@string/be_visible_for_these_users"
                     android:textSize="15sp"/>
 
                 <Switch

app/src/main/res/layout/content_black_list.xml

@@ -28,6 +28,21 @@
         android:textColor="@color/msg_no_notes"
         android:textSize="@dimen/msg_no_notes" />
 
+    <com.github.ybq.android.spinkit.SpinKitView
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/loader"
+        style="@style/SpinKitView.Large.Wave"
+        android:layout_width="150dp"
+        android:layout_height="150dp"
+        app:SpinKit_Color="@color/msg_no_notes"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="@dimen/margin_top_no_notes"
+        android:fontFamily="sans-serif-light"
+        android:text="@string/loading"
+        android:textColor="@color/msg_no_notes"
+        android:textSize="@dimen/msg_no_notes" />
+
+
 
 </RelativeLayout>
 

app/src/main/res/layout/content_tutor_tab.xml

@@ -5,8 +5,9 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:fitsSystemWindows="true"
-    android:id="@+id/activity_whitelist_container"
+        android:id="@+id/activity_tutor_content"
-    tools:context=".activity.WhiteList">
+        tools:context=".activity.TutorTab">
+
 
     <android.support.design.widget.AppBarLayout
         android:id="@+id/app_bar"
@@ -57,10 +58,4 @@
 
     <include layout="@layout/content_tutor_tab_layout" />
 
-
-
-
-    <!-- A RecyclerView with some commonly used attributes -->
-
-
 </android.support.design.widget.CoordinatorLayout>

app/src/main/res/layout/content_tutor_tab_layout.xml

@@ -1,14 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
 
 <android.support.v4.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:fillViewport="true"
     app:layout_behavior="@string/appbar_scrolling_view_behavior"
     tools:context=".activity.TutorTab"
-    tools:showIn="@layout/content_tutor_tab2">
+    android:fontFamily="@font/lato_regular"
+    tools:showIn="@layout/content_tutor_tab">
 
     <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -23,10 +24,10 @@
             android:id="@+id/userDepartmentLayout"
             android:layout_width="189dp"
             android:layout_height="wrap_content"
-            android:layout_alignParentTop="true"
+            android:layout_below="@+id/userEmailLayout"
             android:layout_alignParentEnd="true"
             android:layout_marginStart="25dp"
-            android:layout_marginTop="95dp"
+            android:layout_marginTop="10dp"
             android:layout_marginEnd="30dp"
             android:layout_toEndOf="@+id/userRoomLayout">
 
@@ -34,6 +35,8 @@
                 android:id="@+id/userDepartment"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:layout_below="@+id/userDepartmentLayout"
+                android:layout_alignStart="@+id/userDepartmentLayout"
                 android:layout_alignTop="@+id/userDepartmentLayout"
                 android:hint="@string/hint_department"
                 android:inputType="text"
@@ -47,10 +50,10 @@
             android:id="@+id/userRoomLayout"
             android:layout_width="115dp"
             android:layout_height="wrap_content"
+            android:layout_below="@+id/userEmailLayout"
             android:layout_alignParentStart="true"
-            android:layout_alignParentTop="true"
             android:layout_marginStart="30dp"
-            android:layout_marginTop="95dp">
+            android:layout_marginTop="10dp">
 
             <android.support.design.widget.TextInputEditText
                 android:id="@+id/userRoom"
@@ -73,10 +76,12 @@
             android:layout_height="wrap_content"
             android:layout_alignStart="@+id/userRoomLayout"
             android:layout_alignParentTop="true"
-            android:layout_marginTop="10dp"
+            android:layout_marginTop="30dp"
+            android:layout_marginStart="5dp"
             android:text="@string/personalInfoTitle"
             android:textColor="@color/mapboxRedDark"
-            android:textSize="18sp" />
+            android:textSize="18sp"
+            android:textStyle="bold" />
 
         <android.support.design.widget.TextInputLayout
             android:id="@+id/userEmailLayout"
@@ -86,7 +91,7 @@
             android:layout_alignParentTop="true"
             android:layout_alignParentEnd="true"
             android:layout_marginStart="30dp"
-            android:layout_marginTop="50dp"
+            android:layout_marginTop="70dp"
             android:layout_marginEnd="30dp">
 
             <android.support.design.widget.TextInputEditText
@@ -94,6 +99,7 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_alignStart="@+id/userEmailLayout"
+                android:layout_alignTop="@+id/userEmailLayout"
                 android:hint="@string/hint_email"
                 android:inputType="textEmailAddress"
                 android:lineSpacingExtra="8sp"
@@ -105,31 +111,34 @@
         <TextView
             android:id="@+id/dutyTitle"
             android:layout_width="wrap_content"
-            android:layout_height="60dp"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/userRoomLayout"
             android:layout_alignStart="@+id/userRoomLayout"
-            android:layout_alignParentTop="true"
+            android:layout_marginStart="5dp"
-            android:layout_centerVertical="false"
+            android:layout_marginEnd="30dp"
-            android:layout_marginStart="-1dp"
+            android:layout_marginTop="10dp"
-            android:layout_marginTop="141dp"
             android:gravity="center"
             android:text="@string/dutyTitle"
             android:textColor="@color/mapboxRedDark"
-            android:textSize="18sp" />
+            android:textSize="18sp"
+            android:textStyle="bold" />
 
         <android.support.v7.widget.RecyclerView
             android:id="@+id/dutyHourView"
-            android:layout_width="300dp"
+            android:layout_width="match_parent"
-            android:layout_height="100dp"
+            android:layout_height="120dp"
-            android:layout_below="@+id/dutyTitle"
+            android:layout_below="@+id/addDuty"
             android:layout_alignParentStart="true"
             android:layout_marginStart="30dp"
-            android:layout_marginEnd="30dp"
+            android:layout_marginTop="15dp"
-
+            android:layout_marginEnd="50dp"
             android:scrollbars="vertical" />
 
         <TextView
             android:id="@+id/userNoteTitle"
-            android:layout_width="wrap_content"
+            android:textStyle="bold"
+            android:layout_marginStart="5dp"
+            android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_below="@+id/dutyHourView"
             android:layout_alignStart="@+id/userRoomLayout"
@@ -137,31 +146,33 @@
             android:textColor="@color/mapboxRedDark"
             android:textSize="18sp" />
 
-        <Button
+        <android.support.v7.widget.AppCompatButton
             android:id="@+id/addDuty"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_alignBottom="@+id/dutyTitle"
+            android:textColor="@color/white"
-            android:layout_marginStart="-1dp"
+            app:backgroundTint="@color/colorPrimary"
-            android:layout_marginBottom="0dp"
+            android:layout_alignBaseline="@+id/dutyTitle"
-            android:layout_toEndOf="@+id/personalInfoTitle"
+            android:layout_toEndOf="@+id/dutyTitle"
+            android:stateListAnimator="@null"
+
             android:text="@string/addDuty" />
 
         <android.support.design.widget.TextInputLayout
             android:id="@+id/userNoteLayout"
-            android:layout_width="wrap_content"
+            android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_below="@+id/userNoteTitle"
             android:layout_alignParentStart="true"
             android:layout_marginStart="30dp"
-            android:layout_marginTop="0dp"
+            android:layout_marginEnd="30dp"
+            android:layout_marginTop="15dp"
             app:counterEnabled="true"
             app:counterMaxLength="1000">
 
             <android.support.design.widget.TextInputEditText
-
                 android:id="@+id/userNote"
-                android:layout_width="300dp"
+                android:layout_width="match_parent"
                 android:layout_height="100dp"
                 android:layout_alignStart="@+id/userNoteLayout"
                 android:hint="@string/tutorTabHint"
@@ -169,31 +180,36 @@
                 android:lineSpacingExtra="8sp"
                 android:maxLength="1000"
                 android:maxLines="7"
-                android:paddingTop="5dp"
+                android:paddingTop="15dp"
                 android:requiresFadingEdge="vertical"
                 android:scrollbars="vertical"
                 android:textColor="@color/note_list_text" />
         </android.support.design.widget.TextInputLayout>
 
-        <Button
+        <android.support.v7.widget.AppCompatButton
             android:id="@+id/scrapTutorTab"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_alignParentTop="true"
+            android:layout_alignBaseline="@+id/personalInfoTitle"
-            android:layout_alignParentEnd="true"
+            android:layout_alignEnd="@+id/userEmailLayout"
-            android:layout_marginTop="0dp"
+            android:textColor="@color/white"
-            android:layout_marginEnd="30dp"
+            app:backgroundTint="@color/colorPrimary"
+            android:stateListAnimator="@null"
             android:text="@string/scrap_tutor_tab" />
 
-        <Button
+        <android.support.v7.widget.AppCompatButton
-
+            android:id="@+id/saveButton"
-            android:id="@+id/saveButon"
+            android:layout_width="match_parent"
-            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:layout_marginStart="30dp"
+            android:layout_marginEnd="-20dp"
             android:layout_below="@+id/userNoteLayout"
             android:layout_alignEnd="@+id/dutyHourView"
-            android:text="@string/saveButton" />
+            android:textColor="@color/white"
+            app:backgroundTint="@color/colorPrimary"
+            android:stateListAnimator="@null"
 
+            android:text="@string/saveButton" />
 
     </RelativeLayout>
 </android.support.v4.widget.NestedScrollView>

app/src/main/res/layout/content_white_list.xml

@@ -28,6 +28,20 @@
         android:textColor="@color/msg_no_notes"
         android:textSize="@dimen/msg_no_notes" />
 
+    <com.github.ybq.android.spinkit.SpinKitView
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/loader"
+        style="@style/SpinKitView.Large.Wave"
+        android:layout_width="150dp"
+        android:layout_height="150dp"
+        app:SpinKit_Color="@color/msg_no_notes"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="@dimen/margin_top_no_notes"
+        android:fontFamily="sans-serif-light"
+        android:text="@string/loading"
+        android:textColor="@color/msg_no_notes"
+        android:textSize="@dimen/msg_no_notes" />
+
 
 </RelativeLayout>
 

app/src/main/res/layout/preference_button_widget.xml

@@ -1,13 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:gravity="right"
+    android:fontFamily="@font/lato_regular"
     >
-    <Button xmlns:android="http://schemas.android.com/apk/res/android"
+
+    <android.support.v7.widget.AppCompatButton
+    xmlns:android="http://schemas.android.com/apk/res/android"
         android:id="@+id/button_choose_from_map"
         android:text="@string/preference_manual_location_button"
         android:layout_width="wrap_content"
+        android:textColor="@color/white"
+        app:backgroundTint="@color/top_user_modal"
         android:layout_height="wrap_content"
+        android:stateListAnimator="@null"
+
         />
+
+
 </LinearLayout>

app/src/main/res/layout/tutor_list_row.xml

@@ -19,11 +19,22 @@
         android:layout_alignParentTop="true"
         android:layout_marginStart="12dp"
         android:layout_marginTop="10dp"
+
         android:textColor="@color/note_list_text"
         android:textSize="15sp" />
 
+
+    <com.github.ybq.android.spinkit.SpinKitView xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/loader"
+        style="@style/SpinKitView.Large.Wave"
+        android:layout_marginStart="12dp"
+        android:layout_marginTop="35dp"
+        android:layout_width="30dp"
+        android:layout_height="30dp"
+        app:SpinKit_Color="@color/colorAccent" />
+
     <TextView
-        android:id="@+id/lastName"
+        android:id="@+id/lastSeen"
         android:layout_width="270dp"
         android:layout_height="22dp"
         android:layout_marginStart="12dp"
@@ -32,9 +43,8 @@
         android:layout_marginTop="10dp"
         android:layout_marginEnd="0dp"
         android:layout_alignParentStart="true"
-        android:textColor="@color/note_list_text"
+        android:textColor="#979797"
-        android:textSize="15sp" />
+        android:textSize="13sp" />
-
 
     <TextView
         android:id="@+id/isOnline"

app/src/main/res/layout/user_list_modal.xml

@@ -27,19 +27,20 @@
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent" />
 
-
             <TextView
                 android:id="@+id/userName"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginBottom="15dp"
+                android:drawablePadding="10dp"
                 android:gravity="center_horizontal"
+                android:text="Name Surname"
                 android:textColor="@color/white"
                 android:textSize="@dimen/lbl_new_note_title"
                 android:textStyle="normal"
-                    android:drawablePadding="10dp"
                 app:layout_constraintBottom_toBottomOf="parent"
-                    app:layout_constraintStart_toStartOf="parent"/>
+                app:layout_constraintStart_toStartOf="parent" />
+
         </android.support.constraint.ConstraintLayout>
 
     </RelativeLayout>
@@ -50,6 +51,28 @@
         android:layout_marginTop="25dp"
         android:orientation="vertical">
 
+        <LinearLayout
+            android:id="@+id/user_status_label_linearLayout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:visibility="gone"
+            android:paddingLeft="20dp">
+
+            <ImageView
+                android:layout_width="25dp"
+                android:layout_height="25dp"
+                android:src="@drawable/user_modal_title" />
+
+            <TextView
+                android:id="@+id/user_status_label"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical"
+                android:paddingLeft="10dp"
+                android:textColor="@color/mapboxWhite" />
+        </LinearLayout>
+
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
@@ -59,15 +82,15 @@
             <ImageView
                 android:layout_width="25dp"
                 android:layout_height="25dp"
-            android:src="@drawable/user_modal_department"/>
+                android:src="@drawable/user_modal_department" />
+
             <TextView
                 android:id="@+id/userDepartment"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_vertical"
-                android:textColor="@color/mapboxWhite"
                 android:paddingLeft="10dp"
-               />
+                android:textColor="@color/mapboxWhite" />
         </LinearLayout>
 
         <LinearLayout
@@ -80,15 +103,15 @@
             <ImageView
                 android:layout_width="25dp"
                 android:layout_height="25dp"
-            android:src="@drawable/user_modal_room"/>
+                android:src="@drawable/user_modal_room" />
+
             <TextView
                 android:id="@+id/userRoom"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_vertical"
-                android:textColor="@color/mapboxWhite"
                 android:paddingLeft="10dp"
-               />
+                android:textColor="@color/mapboxWhite" />
         </LinearLayout>
 
         <LinearLayout
@@ -101,15 +124,15 @@
             <ImageView
                 android:layout_width="25dp"
                 android:layout_height="25dp"
-                android:src="@drawable/user_modal_email"/>
+                android:src="@drawable/user_modal_email" />
+
             <TextView
                 android:id="@+id/userEmail"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_vertical"
-                android:textColor="@color/mapboxWhite"
                 android:paddingLeft="10dp"
-               />
+                android:textColor="@color/mapboxWhite" />
         </LinearLayout>
 
 
@@ -123,15 +146,14 @@
             <ImageView
                 android:layout_width="25dp"
                 android:layout_height="25dp"
-                android:src="@drawable/user_modal_duty"/>
+                android:src="@drawable/user_modal_duty" />
 
             <TextView
                 android:id="@+id/userDutyHoursTitle"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:textColor="@color/mapboxWhite"
                 android:paddingLeft="10dp"
-               />
+                android:textColor="@color/mapboxWhite" />
         </LinearLayout>
 
         <LinearLayout
@@ -151,12 +173,11 @@
                 android:id="@+id/userDutyHours"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:paddingLeft="25dp"
-                android:paddingTop="-10dp"
                 android:divider="@color/background_user_modal"
                 android:dividerHeight="1dp"
-                android:textColor="@color/mapboxWhite"
+                android:paddingLeft="25dp"
-               />
+                android:paddingTop="-10dp"
+                android:textColor="@color/mapboxWhite" />
         </LinearLayout>
 
         <LinearLayout
@@ -169,15 +190,15 @@
             <ImageView
                 android:layout_width="25dp"
                 android:layout_height="25dp"
-            android:src="@drawable/user_modal_note"/>
+                android:src="@drawable/user_modal_note" />
+
             <TextView
                 android:id="@+id/userNote"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_vertical"
-            android:textColor="@color/mapboxWhite"
                 android:paddingLeft="10dp"
-            />
+                android:textColor="@color/mapboxWhite" />
         </LinearLayout>
 
 

app/src/main/res/layout/users_list_main.xml

@@ -27,5 +27,20 @@
         android:textSize="@dimen/msg_no_notes" />
 
 
+    <com.github.ybq.android.spinkit.SpinKitView
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/loader"
+        style="@style/SpinKitView.Large.Wave"
+        android:layout_width="150dp"
+        android:layout_height="150dp"
+        app:SpinKit_Color="@color/msg_no_notes"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="@dimen/margin_top_no_notes"
+        android:fontFamily="sans-serif-light"
+        android:text="@string/loading"
+        android:textColor="@color/msg_no_notes"
+        android:textSize="@dimen/msg_no_notes" />
+
+
 </RelativeLayout>
 

app/src/main/res/values-pl/strings.xml

@@ -57,7 +57,7 @@
     <string name="navigation_item_blacklist">Czarna lista</string>
     <string name="navigation_item_whitelist">Biała lista</string>
     <string name="navigation_item_settings">Ustawienia</string>
-    <string name="navigation_item_profile">Profil uzytkownika</string>
+    <string name="navigation_item_profile">Profil użytkownika</string>
     <string name="navigation_item_logout">Wyloguj</string>
     <!-- Tutors list -->
     <string name="action_settings">Ustawienia</string>
@@ -276,6 +276,23 @@
     <!--(ENG) Blacked/Whited users  -->
     <string name="add_user_to_list">Użytkownik został dodany!</string>
     <string name="user_removed">Użytkownik usunięty!</string>
+    <string name="floor">Piętro</string>
+    <string name="block_the_users">Zablokuj użytkowników</string>
+    <string name="be_visible_for_these_users">Bądź dostępny dla użytkowników</string>
+
+    <string name="manual_mode">manualny</string>
+    <string name="exact_mode">dokładny</string>
+    <string name="approx_mode">przybliżony</string>
+    <string name="other_location">Niezapisana lokalizacja.</string>
+    <string name="last_sign">Ostatnio</string>
+
+    <string name="available_now">Dostępny teraz</string>
+    <string name="profile_activity_title">Profil użytkownika</string>
+    <string name="batter_exclusions_title">Uwaga</string>
+    <string name="batter_exclusions_message">Aby aplikacja była w pełni funkcjonalna, dodaj FMT do wyjątków w oszczędzaniu baterii. Po wciśnięciu przycisku \"ok\" zostaniesz przeniesiony do opcji zarządzania baterią. W panelu \"Bateria\" upewnij się, że opcja optymalizacji jest wyłączona.</string>
+
+    <string name="never_logged_in">Nigdy</string>
+
 
 </resources>
 

app/src/main/res/values/strings.xml

@@ -222,9 +222,9 @@
     <string name="nav_profile">User profile</string>
     <string name="remove_manual_location">Remove Manual location</string>
     <string name="title_activity_tutor_tab">TutorTab</string>
-    <string name="manual_modal_title">Do you want to save this localization?</string>
+    <string name="manual_modal_title">Manual localization</string>
-    <string name="lbl_ok">Save!</string>
+    <string name="lbl_ok">Save</string>
-    <string name="lbl_cancel">Cancel!</string>
+    <string name="lbl_cancel">Cancel</string>
     <string name="manual_marker_info">Your marker will disappear in next couple minutes</string>
     <string name="manual_location_selected">Manual Locations selected!</string>
     <string name="location_saved">Location saved!</string>
@@ -337,12 +337,12 @@
     <!--(ENG) Checkbox online users list -->
     <string name="no_online_users">Currently, there are no\nactive users.</string>
     <string name="no_offline_users">Currently, there are no\noffline users.</string>
-    <string name="only_online_users">Only online users</string>
+    <string name="only_online_users">Only active users</string>
     <string name="no_such_a_user">No such a user</string>
 
     <string name="network_err">Network Error !</string>
     <string name="search_null">Search response is empty!</string>
-    <string name="modal_manual_hint">Insert a name for this localization.</string>
+    <string name="modal_manual_hint">Name the localization</string>
     <string name="online">Online</string>
     <string name="offline">Offline</string>
     <string name="inactive">Inactive</string>
@@ -351,6 +351,9 @@
     <!--(ENG) Blacked/Whited users  -->
     <string name="add_user_to_list">User has been added!</string>
     <string name="user_removed">User removed!</string>
+    <string name="floor">Floor</string>
+    <string name="block_the_users">Block the users</string>
+    <string name="be_visible_for_these_users">Be visible for these users</string>
     <string name="title_activity_scrolling">ScrollingActivity</string>
     <string name="large_text">
         "Material is the metaphor.\n\n"
@@ -443,4 +446,17 @@
     </string>
 
 
+    <!--(ENG) Sharing Modes  -->
+    <string name="manual_mode">manual</string>
+    <string name="exact_mode">exact</string>
+    <string name="approx_mode">approximate</string>
+
+    <!--(ENG) Undefined manual  -->
+    <string name="other_location">Not saved location.</string>
+    <string name="user_status_label" translatable="false">Status</string>
+    <string name="available_now">Available now</string>
+    <string name="last_sign">Last seen</string>
+    <string name="batter_exclusions_message">To make app fully functional add FMT to battery saving exclusions. You can change battery options in \"Optimise battery usage\". Unfortunately, you have to do it manually. Click \"ok\" to open battery settings and make sure that the application is not optimised.</string>
+    <string name="batter_exclusions_title">Please note</string>
+    <string name="never_logged_in">Never</string>
 </resources>

app/src/main/res/xml/pref_sharing.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/pref_screen"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:fontFamily="@font/lato_regular">
@@ -58,6 +59,8 @@
             android:title="@string/title_manual_status" />
         <com.uam.wmi.findmytutor.utils.RightButtonPreference
             android:key="remove_manual_status"
+            android:textColor="@color/white"
+            app:backgroundTint="@color/mapboxRedDark"
             android:text="@string/preference_manual_status_button_remove" />
 
     </PreferenceCategory>

build.gradle

@@ -9,7 +9,6 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:3.2.1'
 
-
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }