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 53
+        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

@@ -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;
 
@@ -85,6 +89,11 @@ public abstract class BaseActivity
     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>();
 
@@ -411,8 +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() {
@@ -421,6 +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();
 
     }
@@ -437,4 +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);
@@ -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();
     }
 
@@ -161,34 +173,29 @@ public class BlackList extends AppCompatActivity {
     }
 
     private void fetchBlackListedUsers() {
-        prevSize = blacklistedUsers.size();
-        blacklistedUsers.clear();
-
         disposable.add(getListOfBlacklistedUsers(tutorId)
-                .doOnSubscribe(t -> didFetched = false)
+                .doOnSubscribe(this::handleDoOnSubscribe)
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
-                .flatMap((Function<List<String>, Observable<String>>) Observable::fromIterable)
-                .flatMap((Function<String, ObservableSource<User>>) this::getUserObservable)
-                .subscribeWith(new DisposableObserver<User>() {
-                    @Override
-                    public void onNext(User user) {
-                        blacklistedUsers.add(user);
-                    }
+                .flatMap(Observable::fromIterable)
+                .flatMap(this::getUserObservable)
+                .subscribe(user ->  blacklistedUsers.add(user), this::handleError,this::handleComplete));
+    }
 
-                    @Override
-                    public void onError(Throwable e) {
-                        showError(e);
-                        didFetched = false;
-                    }
+    private void handleDoOnSubscribe(Disposable disposable) {
+        prevSize = blacklistedUsers.size();
+        blacklistedUsers.clear();
+        didFetched = false;
+    }
 
-                    @Override
-                    public void onComplete() {
-                        Collections.sort(blacklistedUsers, (a, b) -> sortByUserName(a,b));
-                        didFetched = true;
-                        refreshUI();
-                    }
-                }));
+    private void handleComplete() {
+        Collections.sort(blacklistedUsers, this::sortByUserName);
+        didFetched = true;
+        refreshUI();
+    }
+    private void handleError(Throwable e){
+        showError(e);
+        didFetched = false;
     }
 
     private void refreshUI(){
@@ -250,10 +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();
     }
@@ -275,15 +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));
-            noNotesView.setVisibility(View.VISIBLE);
+            loader.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
-LoginActivity extends AppCompatActivity {
+public class LoginActivity extends AppCompatActivity {
 
     private AutoCompleteTextView mLoginNameView;
     private EditText mPasswordView;
@@ -150,9 +150,9 @@ LoginActivity extends AppCompatActivity {
 
     private void loginProcess(String email, String password) {
         ValidateUser user = new ValidateUser(email, password);
-       // LdapUser fakeUser = new LdapUser(email, password,"wmi","tutor",email,"Fałszywy",email);
+        // LdapUser fakeUser = new LdapUser(email, password,"wmi","tutor",email,"Fałszywy",email);
         disposable.add(ldapService.validate(user)
-        //disposable.add(ldapService.fakeValidate(fakeUser)
+                //disposable.add(ldapService.fakeValidate(fakeUser)
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe(this::handleResponse, this::handleError));
@@ -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;
@@ -48,6 +50,7 @@ import com.uam.wmi.findmytutor.service.PredefinedCoordinatesService;
 import com.uam.wmi.findmytutor.service.UserService;
 import com.uam.wmi.findmytutor.utils.ApproximatedLocalization;
 import com.uam.wmi.findmytutor.utils.EnableSharingDialog;
+import com.uam.wmi.findmytutor.utils.LocaleHelper;
 import com.uam.wmi.findmytutor.utils.LocaleUtils;
 import com.uam.wmi.findmytutor.utils.ManualLocationUtils;
 import com.uam.wmi.findmytutor.utils.MapMarker;
@@ -74,7 +77,7 @@ import static com.uam.wmi.findmytutor.utils.Const.mapRefreshInterval;
 public class MapActivity extends BaseActivity
         implements PermissionsListener, OnMapReadyCallback {
 
-    public HashMap<Long, String> markerUserHash = new HashMap<>();
+    private HashMap<Long, String> markerUserHash = new HashMap<>();
     private String tag = getClass().getName();
     private PermissionsManager permissionsManager;
     private LocationComponent locationComponent;
@@ -90,7 +93,7 @@ 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<>();
     private Set<String> previousCoordsIds = new HashSet<>();
     private ManualLocationUtils manualLocationUtils;
@@ -103,6 +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);
@@ -119,6 +127,7 @@ public class MapActivity extends BaseActivity
         mStatusChecker = () -> {
             try {
                 if (shouldFetchNewCoords) {
+                    checkIfUsesCanBeTutor();
                     fetchTopCoords();
                 }
             } finally {
@@ -127,7 +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);
@@ -138,6 +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
@@ -396,6 +409,30 @@ Log.e("LOCALE",PrefUtils.getLocale(getApplicationContext()));
         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(

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;
@@ -74,9 +70,9 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
     private AlertDialog.Builder builder;
     private String[] statusesArray;
     private boolean statusSwitchFlag;
-   private ArrayList<String> predefinedLocationsList;
+    private ArrayList<String> predefinedLocationsList;
 
-   public static SharingFragment newInstance() {
+    public static SharingFragment newInstance() {
         return new SharingFragment();
     }
 
@@ -88,12 +84,12 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
                 .subscribeWith(new DisposableSingleObserver<List<String>>() {
                     @Override
                     public void onSuccess(List<String> strings) {
-                       statusesArray = strings.toArray(new String[strings.size()]);
-                       if(strings.isEmpty()){
-                          disableStatusPreferences();
-                       }else{
-                          enableStatusPreferences();
-                       }
+                        statusesArray = strings.toArray(new String[strings.size()]);
+                        if (strings.isEmpty()) {
+                            disableStatusPreferences();
+                        } else {
+                            enableStatusPreferences();
+                        }
 //                       Log.d("STATUSES",Integer.toString(statusesArray.length ));
                         setListPreferenceData(statusList, statusesArray, null);
                     }
@@ -116,35 +112,36 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
                     public void onSuccess(List<PredefinedCoordViewModel> coords) {
 
                         String currentCoordId = PrefUtils.getCurrentManualLocation(getApplicationContext());
-                       locationMap = new HashMap<String,String>();
-                       locationUUIDs = new ArrayList<String>();
-                       for (PredefinedCoordViewModel i : coords) locationMap.put(i.getPredefinedCoordinateId(),i.getName());
-                       for (PredefinedCoordViewModel i : coords) locationUUIDs.add(i.getPredefinedCoordinateId());
-                       List<String> predefinedLocationsNames = Stream.of(coords).map(PredefinedCoordViewModel::getName).toList();
-                       List<String> predefinedLocationsUUIDs = Stream.of(coords).map(PredefinedCoordViewModel::getPredefinedCoordinateId).toList();
+                        locationMap = new HashMap<String, String>();
+                        locationUUIDs = new ArrayList<String>();
+                        for (PredefinedCoordViewModel i : coords)
+                            locationMap.put(i.getPredefinedCoordinateId(), i.getName());
+                        for (PredefinedCoordViewModel i : coords)
+                            locationUUIDs.add(i.getPredefinedCoordinateId());
+                        List<String> predefinedLocationsNames = Stream.of(coords).map(PredefinedCoordViewModel::getName).toList();
+                        List<String> predefinedLocationsUUIDs = Stream.of(coords).map(PredefinedCoordViewModel::getPredefinedCoordinateId).toList();
                         predefinedCoordsList.addAll(coords);
-                       if (!PrefUtils.getLocationLevel(getApplicationContext()).equals("manual")) {
-                          preferenceCategory.removePreference(manualLocationList);
-                          preferenceCategory.removePreference(removeManualLocation);
-                          preferenceCategory.removePreference(manualLocationButton);
-                       }else{
-                          if(!predefinedCoordsList.isEmpty()){
+                        if (!PrefUtils.getLocationLevel(getApplicationContext()).equals("manual")) {
+                            preferenceCategory.removePreference(manualLocationList);
+                            preferenceCategory.removePreference(removeManualLocation);
+                            preferenceCategory.removePreference(manualLocationButton);
+                        } else {
+                            if (!predefinedCoordsList.isEmpty()) {
 
-                             manualLocationList.setEnabled(true);
-                             manualLocationList.setSummary(PrefUtils.getCurrentManualLocationName(getApplicationContext()));
-                             removeManualLocation.setEnabled(true);
-                             locationSharing.setEnabled(true);
-                          }
-                       }
+                                manualLocationList.setEnabled(true);
+                                manualLocationList.setSummary(PrefUtils.getCurrentManualLocationName(getApplicationContext()));
+                                removeManualLocation.setEnabled(true);
+                                locationSharing.setEnabled(true);
+                            }
+                        }
                         String[] stringnames = predefinedLocationsNames.toArray(new String[0]);
-                       predefinedLocationsList = new ArrayList<>(Arrays.asList(stringnames));
+                        predefinedLocationsList = new ArrayList<>(Arrays.asList(stringnames));
                         List<Integer> activesId = Stream.of(coords).indexed()
                                 .filter(v -> v.getSecond().getPredefinedCoordinateId().equals(currentCoordId)).map(IntPair::getFirst).toList();
 
-                        if( activesId.size() == 0){
+                        if (activesId.size() == 0) {
                             setListPreferenceData(manualLocationList, stringnames, null);
-                        }
-                        else {
+                        } else {
                             setListPreferenceData(manualLocationList, stringnames, activesId.get(0));
                         }
 
@@ -154,7 +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();
                     }
-
                 }));
     }
 
@@ -175,11 +171,11 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
         removeManualStatus = (RightButtonPreference) findPreference("remove_manual_status");
         manualStatus = findPreference("key_manual_status");
         statusList = (ListPreference) findPreference("key_status_value");
-       statusesService = ApiClient.getClient(getApplicationContext()).create(PredefinedStatusesService.class);
-       locationService = ApiClient.getClient(getApplicationContext()).create(PredefinedCoordinatesService.class);
+        statusesService = ApiClient.getClient(getApplicationContext()).create(PredefinedStatusesService.class);
+        locationService = ApiClient.getClient(getApplicationContext()).create(PredefinedCoordinatesService.class);
         disposable = new CompositeDisposable();
         statusesArray = new String[0];
-       predefinedLocationsList = new ArrayList<String>();
+        predefinedLocationsList = new ArrayList<String>();
         getStatuses(disposable);
         getLocations(disposable);
         locationLevelMapping = new HashMap<Integer, String>();
@@ -197,7 +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);
@@ -209,19 +204,19 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
         locationMode.setOnPreferenceChangeListener((preference, newValue) -> {
             ((MapActivity) getActivity()).stopBackgroundLocalizationTask();
             ((MapActivity) getActivity()).startBackgroundLocalizationTask();
-           PrefUtils.storeLocationMode(getApplicationContext(), locationLevelMapping.get(Integer.parseInt((String) newValue)));
+            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);
+                    preferenceCategory.addPreference(manualLocationList);
+                    preferenceCategory.addPreference(removeManualLocation);
                 }
                 preferenceCategory.addPreference(manualLocationButton);
             } else {
-               locationSharing.setEnabled(true);
+                locationSharing.setEnabled(true);
                 preferenceCategory.removePreference(manualLocationList);
                 preferenceCategory.removePreference(manualLocationButton);
-               preferenceCategory.removePreference(removeManualLocation);
+                preferenceCategory.removePreference(removeManualLocation);
             }
             return true;
         });
@@ -250,9 +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();
@@ -270,17 +262,16 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
             lp.setSummary(entries[Integer.parseInt((String) newValue)]);
             return true;
         });
-       statusList.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
-          @Override
-          public boolean onPreferenceClick(Preference preference) {
+        statusList.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
 
-             if(statusesArray.length == 0)
-             {
-                builder.setTitle("nie ma wody na pustyni");
-             }
-             return true;
-          }
-       });
+                if (statusesArray.length == 0) {
+                    builder.setTitle("nie ma wody na pustyni");
+                }
+                return true;
+            }
+        });
         /** Custom status edittext change listener **/
         manualStatus.setOnPreferenceChangeListener((preference, newValue) -> {
 
@@ -291,39 +282,40 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
 
             return true;
         });
-       removeManualStatus.setOnPreferenceChangeListener((preference, newValue) -> {
-          showRemoveDialog(statusList.getEntries(),"status");
-          return true;
-       });
+        removeManualStatus.setOnPreferenceChangeListener((preference, newValue) -> {
+            showRemoveDialog(statusList.getEntries(), "status");
+            return true;
+        });
 
-       removeManualLocation.setOnPreferenceChangeListener(((preference, newValue) -> {
-          showRemoveDialog(manualLocationList.getEntries(),"location");
-          return true;
+        removeManualLocation.setOnPreferenceChangeListener(((preference, newValue) -> {
+            showRemoveDialog(manualLocationList.getEntries(), "location");
+            return true;
 
-       }));
+        }));
     }
-    public void showRemoveDialog(CharSequence[] entries, String service){
-        boolean [] checked = new boolean[entries.length];
+
+    public void showRemoveDialog(CharSequence[] entries, String service) {
+        boolean[] checked = new boolean[entries.length];
         ArrayList<String> tobeDeleted = new ArrayList<String>();
 //        Log.d("sharingDialog", "no to siup");
-       builder.setPositiveButton("DELETE", new DialogInterface.OnClickListener() {
-           @Override
-           public void onClick(DialogInterface dialog, int which) {
-               for (int i=0; i< entries.length; i++){
-                   if(checked[i] == true) {
-                       tobeDeleted.add((String) entries[i]);
-                   }
-               }
-               removeEntries(service,tobeDeleted);
+        builder.setPositiveButton("DELETE", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                for (int i = 0; i < entries.length; i++) {
+                    if (checked[i] == true) {
+                        tobeDeleted.add((String) entries[i]);
+                    }
+                }
+                removeEntries(service, tobeDeleted);
 //               Log.d("MANAGE-PREF",tobeDeleted.toString());
-           }
-       });
-       builder.setMultiChoiceItems(entries, checked, new DialogInterface.OnMultiChoiceClickListener() {
-          @Override
-          public void onClick(DialogInterface dialog, int which, boolean isChecked) {
+            }
+        });
+        builder.setMultiChoiceItems(entries, checked, new DialogInterface.OnMultiChoiceClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
 
-          }
-       });
+            }
+        });
         builder.create().show();
     }
 
@@ -335,34 +327,34 @@ 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")){
-          for (String uuid:toBeDeleted) {
-             disposable.add(statusesService.deleteUserPredefinedStatus(PrefUtils.getUserId(getApplicationContext()), uuid)
-                     .subscribeOn(Schedulers.io())
-                     .observeOn(AndroidSchedulers.mainThread())
-                     .subscribe(this::handleDeleteStatuses, this::handleError));
-          }
-       }else {
-          ArrayList<String> uuidsToBeDeleted = new ArrayList<String>();
-          for (String name:toBeDeleted) {
-             for (String uuid:locationUUIDs) {
-                if(locationMap.get(uuid).equals(name)){
-                   uuidsToBeDeleted.add(uuid);
+        if (service.equals("status")) {
+            for (String uuid : toBeDeleted) {
+                disposable.add(statusesService.deleteUserPredefinedStatus(PrefUtils.getUserId(getApplicationContext()), uuid)
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribe(this::handleDeleteStatuses, this::handleError));
+            }
+        } else {
+            ArrayList<String> uuidsToBeDeleted = new ArrayList<String>();
+            for (String name : toBeDeleted) {
+                for (String uuid : locationUUIDs) {
+                    if (locationMap.get(uuid).equals(name)) {
+                        uuidsToBeDeleted.add(uuid);
+                    }
                 }
-             }
-          }
-          for (String uuid : uuidsToBeDeleted) {
+            }
+            for (String uuid : uuidsToBeDeleted) {
 //             predefinedCoordsList.removeIf(x -> x.getPredefinedCoordinateId().equals(uuid));
-             predefinedCoordsList.removeAll(Stream.of(predefinedCoordsList).filter(x -> x.getPredefinedCoordinateId().equals(uuid)).toList());
-             disposable.add(locationService.deleteUserPredefinedCoord(PrefUtils.getUserId(getApplicationContext()), uuid)
-                     .subscribeOn(Schedulers.io())
-                     .observeOn(AndroidSchedulers.mainThread())
-                     .subscribe(this::handleDeleteLocations, this::handleError));
-          }
-       }
+                predefinedCoordsList.removeAll(Stream.of(predefinedCoordsList).filter(x -> x.getPredefinedCoordinateId().equals(uuid)).toList());
+                disposable.add(locationService.deleteUserPredefinedCoord(PrefUtils.getUserId(getApplicationContext()), uuid)
+                        .subscribeOn(Schedulers.io())
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .subscribe(this::handleDeleteLocations, this::handleError));
+            }
+        }
     }
 
     protected void setListPreferenceData(ListPreference lp, String[] entries, Integer activeId) {
@@ -390,13 +382,13 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
     ;
 
     private void handleResponse(List<String> resp) {
-       if(resp.size() == 1){
-          enableStatusPreferences();
-          if(PrefUtils.isStatusEnabled(getApplicationContext()) == false){
-             PrefUtils.enableStatus(getApplicationContext());
-             statusSwitch.setChecked(true);
-          }
-       }
+        if (resp.size() == 1) {
+            enableStatusPreferences();
+            if (PrefUtils.isStatusEnabled(getApplicationContext()) == false) {
+                PrefUtils.enableStatus(getApplicationContext());
+                statusSwitch.setChecked(true);
+            }
+        }
         String[] statusesArray = resp.toArray(new String[resp.size()]);
         setListPreferenceData(statusList, statusesArray, resp.size() - 1);
         statusList.setValueIndex(resp.size() - 1);
@@ -415,79 +407,84 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
                     "Network error " + error.getMessage(), Toast.LENGTH_SHORT).show();
         }
     }
-   private void handleDeleteStatuses(List<String> resp){
-       if(resp.isEmpty()){
-          disableStatusPreferences();
-       }else{
-          String[] statusesArray = resp.toArray(new String[resp.size()]);
-          setListPreferenceData(statusList, statusesArray, null);
-          String currentEntry = PrefUtils.getUserStatus(getApplicationContext());
-          if(resp.contains(currentEntry)){
-             statusList.setValueIndex(resp.indexOf(currentEntry));
-          }else{
-             statusList.setValueIndex(0);
-             statusList.setSummary(resp.get(0));
-          }
-       }
 
-   }
-   private void handleDeleteLocations(List<PredefinedCoordViewModel> resp){
-      getLocations(disposable);
-      String currentEntry = PrefUtils.getCurrentManualLocation(getApplicationContext());
-      if(resp.isEmpty()){
-         disableManualLocationPreferences();
-      }else{
-         if(!Stream.of(resp).filter(x -> x.getName().equals(currentEntry)).toList().isEmpty())
-         {
-            for (PredefinedCoordViewModel location: resp) {
-               if(location.getName().equals(currentEntry)){
-                  manualLocationList.setValueIndex(resp.indexOf(location));
-                  break;
-               }
+    private void handleDeleteStatuses(List<String> resp) {
+        if (resp.isEmpty()) {
+            disableStatusPreferences();
+        } else {
+            String[] statusesArray = resp.toArray(new String[resp.size()]);
+            setListPreferenceData(statusList, statusesArray, null);
+            String currentEntry = PrefUtils.getUserStatus(getApplicationContext());
+            if (resp.contains(currentEntry)) {
+                statusList.setValueIndex(resp.indexOf(currentEntry));
+            } else {
+                statusList.setValueIndex(0);
+                statusList.setSummary(resp.get(0));
             }
-         }else{
-            manualLocationList.setValueIndex(0);
-            manualLocationList.setSummary(resp.get(0).getName());
-            //todo czy na pewno w shared pref sa dobre wartosci
-         }
+        }
 
-      }
-   }
-   private void disableStatusPreferences(){
-         removeManualStatus.setEnabled(false);
-         statusList.setEnabled(false);
-         statusSwitch.setEnabled(false);
-         statusList.setSummary("");
-         PrefUtils.disableStatus(getApplicationContext());
+    }
 
-   }
-   private void enableStatusPreferences(){
-      removeManualStatus.setEnabled(true);
-      statusList.setEnabled(true);
-      statusSwitch.setEnabled(true);
-      statusList.setSummary(PrefUtils.getUserStatus(getApplicationContext()));
-   }
-   private void disableManualLocationPreferences(){
-       removeManualLocation.setEnabled(false);
-       manualLocationList.setEnabled(false);
-      manualLocationList.setSummary("");
-       locationSharing.setChecked(false);
-       locationSharing.setEnabled(false);
-      PrefUtils.disableSharing(getApplicationContext());
-      ((MapActivity) getActivity()).handleBackgroundTaskLifeCycle();
-
-   }
-   private void enableManualLocationPreferences(){
-      removeManualLocation.setEnabled(true);
-      manualLocationList.setEnabled(true);
-
-   }
-
-        @Override
-        public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
-            locationSharing.setChecked(PrefUtils.isEnableSharingLocalization(getApplicationContext()));
+    private void handleDeleteLocations(List<PredefinedCoordViewModel> resp) {
+        getLocations(disposable);
+        String currentEntry = PrefUtils.getCurrentManualLocation(getApplicationContext());
+        if (resp.isEmpty()) {
+            disableManualLocationPreferences();
+        } else {
+            if (!Stream.of(resp).filter(x -> x.getName().equals(currentEntry)).toList().isEmpty()) {
+                for (PredefinedCoordViewModel location : resp) {
+                    if (location.getName().equals(currentEntry)) {
+                        manualLocationList.setValueIndex(resp.indexOf(location));
+                        break;
+                    }
+                }
+            } else {
+                manualLocationList.setValueIndex(0);
+                manualLocationList.setSummary(resp.get(0).getName());
+                //todo czy na pewno w shared pref sa dobre wartosci
+            }
 
         }
+    }
+
+    private void disableStatusPreferences() {
+        removeManualStatus.setEnabled(false);
+        statusList.setEnabled(false);
+        statusSwitch.setEnabled(false);
+        statusList.setSummary("");
+        PrefUtils.disableStatus(getApplicationContext());
+
+    }
+
+    private void enableStatusPreferences() {
+        removeManualStatus.setEnabled(true);
+        statusList.setEnabled(true);
+        statusSwitch.setEnabled(true);
+        statusList.setSummary(PrefUtils.getUserStatus(getApplicationContext()));
+    }
+
+    private void disableManualLocationPreferences() {
+        removeManualLocation.setEnabled(false);
+        manualLocationList.setEnabled(false);
+        manualLocationList.setSummary("");
+        locationSharing.setChecked(false);
+        locationSharing.setEnabled(false);
+        PrefUtils.disableSharing(getApplicationContext());
+        ((MapActivity) getActivity()).handleBackgroundTaskLifeCycle();
+
+    }
+
+    private void enableManualLocationPreferences() {
+        removeManualLocation.setEnabled(true);
+        manualLocationList.setEnabled(true);
+
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+        locationSharing.setChecked(PrefUtils.isEnableSharingLocalization(getApplicationContext()));
+
+    }
 
     @Override
     public void onResume() {
@@ -507,4 +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/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;
@@ -24,17 +26,21 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
+import android.widget.LinearLayout;
 import android.widget.ListView;
 import android.widget.TextView;
 
 import com.annimon.stream.Stream;
+import com.github.ybq.android.spinkit.SpinKitView;
 import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;
 import com.uam.wmi.findmytutor.R;
 import com.uam.wmi.findmytutor.adapters.TutorsListAdapter;
+import com.uam.wmi.findmytutor.model.Coordinate;
 import com.uam.wmi.findmytutor.model.DutyHourViewModel;
 import com.uam.wmi.findmytutor.model.TutorTabViewModel;
 import com.uam.wmi.findmytutor.model.User;
 import com.uam.wmi.findmytutor.network.ApiClient;
+import com.uam.wmi.findmytutor.service.CoordinateService;
 import com.uam.wmi.findmytutor.service.TutorTabApi;
 import com.uam.wmi.findmytutor.service.UserService;
 import com.uam.wmi.findmytutor.utils.ActiveFragment;
@@ -45,14 +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;
@@ -68,13 +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());
 
@@ -86,7 +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);
@@ -98,9 +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);
@@ -108,8 +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() {
@@ -192,6 +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()));
@@ -221,7 +245,8 @@ 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;
@@ -230,11 +255,6 @@ public class UsersListFragment extends Fragment {
                                         fragmentTransaction.commit();
                                         ((MapActivity) getActivity()).searchUser(user.getFirstName());
                                         ((MapActivity) getActivity()).updateNavigationBarState();
-
-                                     /*   List<User> list = new ArrayList<User>();
-                                        list.add(user);
-                                        ((MapActivity) getActivity()).filterMarkers(list);
-                                        ((MapActivity) getActivity()).updateNavigationBarState();*/
                                     });
                                 }
                                 alertDialog = alertDialogBuilderUserInput.create();
@@ -257,6 +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);
 
@@ -287,6 +317,7 @@ public class UsersListFragment extends Fragment {
                                 tutorsList.addAll(users);
                                 mAdapter.notifyDataSetChanged();
                                 toggleEmptyNotes();
+                                fetchTopCords();
                             }
 
                             @Override
@@ -338,6 +369,7 @@ public class UsersListFragment extends Fragment {
 
     public void restoreUsersList() {
         fetchAllTutors();
+        fetchTopCords();
     }
 
     private int sortByUserName(User t1, User t2) {
@@ -382,9 +414,10 @@ public class UsersListFragment extends Fragment {
     }
 
     private void toggleEmptyNotes() {
-        if (tutorsList.size() > 0) {
-            noNotesView.setVisibility(View.GONE);
-        } else {
+        loader.setVisibility(View.GONE);
+        noNotesView.setVisibility(View.GONE);
+
+        if (tutorsList.size() == 0) {
             noNotesView.setVisibility(View.VISIBLE);
             if (fetchOnlyOnlineUsers)
                 noNotesView.setText(R.string.no_online_users);
@@ -394,6 +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();
@@ -416,7 +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;
@@ -53,6 +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;
@@ -68,6 +74,11 @@ public class WhiteList extends AppCompatActivity {
     Switch aSwitch;
     @BindView(R.id.add_to_white_list_fab)
     FloatingActionButton addToWhiteListFab;
+
+    @BindView(R.id.loader)
+    SpinKitView loader;
+
+
     private CompositeDisposable disposable = new CompositeDisposable();
     private UserService userService;
     private boolean didFetched = false;
@@ -77,12 +88,19 @@ public class WhiteList extends AppCompatActivity {
     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);
@@ -106,6 +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
@@ -144,34 +163,29 @@ public class WhiteList extends AppCompatActivity {
     }
 
     private void fetchWhiteListedUsers() {
-        prevSize = whitelistedUsers.size();
-        whitelistedUsers.clear();
-
         disposable.add(getListOfWhitelistedUsers(tutorId)
-                .doOnSubscribe(t -> didFetched = false)
+                .doOnSubscribe(this::handleDoOnSubscribe)
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
-                .flatMap((Function<List<String>, Observable<String>>) Observable::fromIterable)
-                .flatMap((Function<String, ObservableSource<User>>) this::getUserObservable)
-                .subscribeWith(new DisposableObserver<User>() {
-                    @Override
-                    public void onNext(User user) {
-                        whitelistedUsers.add(user);
-                    }
+                .flatMap(Observable::fromIterable)
+                .flatMap(this::getUserObservable)
+                .subscribe(user ->  whitelistedUsers.add(user), this::handleError,this::handleComplete));
+    }
 
-                    @Override
-                    public void onError(Throwable e) {
-                        showError(e);
-                        didFetched = false;
-                    }
+    private void handleDoOnSubscribe(Disposable disposable) {
+        prevSize = whitelistedUsers.size();
+        whitelistedUsers.clear();
+        didFetched = false;
+    }
 
-                    @Override
-                    public void onComplete() {
-                        Collections.sort(whitelistedUsers, (a, b) -> sortByUserName(a, b));
-                        didFetched = true;
-                        refreshUI();
-                    }
-                }));
+    private void handleComplete() {
+        Collections.sort(whitelistedUsers, this::sortByUserName);
+        didFetched = true;
+        refreshUI();
+    }
+    private void handleError(Throwable e){
+        showError(e);
+        didFetched = false;
     }
 
     private void refreshUI() {
@@ -258,17 +272,20 @@ public class WhiteList extends AppCompatActivity {
     private void toggleEmptyNotes() {
 
         if (didFetched && whitelistedUsers.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 (whitelistedUsers.size() > 0) {
             noNotesView.setVisibility(View.GONE);
+            loader.setVisibility(View.GONE);
         } else {
-            noNotesView.setText(getString(R.string.loading));
-            noNotesView.setVisibility(View.VISIBLE);
+            loader.setVisibility(View.VISIBLE);
         }
     }
 
 
+
+
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
 

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.lastName.setText(tutor.getLastName());
+        holder.firstName.setText(String.format("%s %s", tutor.getFirstName(), tutor.getLastName()));
+        String ts = tutorsTimeStamps.get(tutor.getId());
 
         if (tutor.isIsOnline()) {
             image = context.getResources().getDrawable(R.drawable.user_list_online);
+            holder.lastSeen.setText(R.string.available_now);
+            holder.loader.setVisibility(View.GONE);
         } else {
             image = context.getResources().getDrawable(R.drawable.user_list_offline);
+
+            if (ts != null){
+                holder.lastSeen.setText(R.string.last_sign);
+                holder.lastSeen.append(String.format(": %s", ts));
+                holder.loader.setVisibility(View.GONE);
+            }
         }
 
         if (!tutor.isIsActive()) {
             image = context.getResources().getDrawable(R.drawable.user_list_off);
+            if(ts != null){
+                holder.lastSeen.setText(R.string.last_sign);
+                holder.lastSeen.append(String.format(": %s", ts));
+            }else{
+                holder.lastSeen.setVisibility(View.GONE);
+            }
+            holder.loader.setVisibility(View.GONE);
         }
 
         image.setBounds(0, 0, image.getIntrinsicWidth(), image.getIntrinsicHeight());
@@ -68,17 +88,132 @@ public class TutorsListAdapter extends RecyclerView.Adapter<TutorsListAdapter.My
         @BindView(R.id.firstName)
         TextView firstName;
 
-        @BindView(R.id.lastName)
-        TextView lastName;
+        @BindView(R.id.lastSeen)
+        TextView lastSeen;
 
         @BindView(R.id.isOnline)
         TextView isOnline;
 
+        @BindView(R.id.loader)
+        SpinKitView loader;
+
         MyViewHolder(View view) {
             super(view);
             ButterKnife.bind(this, view);
         }
     }
+}
+
+
+
+*/
+
+
+package com.uam.wmi.findmytutor.adapters;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.support.annotation.NonNull;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.github.ybq.android.spinkit.SpinKitView;
+import com.uam.wmi.findmytutor.R;
+import com.uam.wmi.findmytutor.model.User;
+
+import java.util.HashMap;
+import java.util.List;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+
+
+public class TutorsListAdapter extends RecyclerView.Adapter<TutorsListAdapter.MyViewHolder> {
+
+    private Context context;
+    private List<User> tutorsList;
+    private HashMap<String, String> tutorsTimeStamps;
+
+    public TutorsListAdapter(Context context, List<User> tutors, HashMap<String,String> tutorsTimeStamps) {
+        this.context = context;
+        this.tutorsList = tutors;
+        this.tutorsTimeStamps = tutorsTimeStamps;
+    }
+    @NonNull
+    @Override
+    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View itemView = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.tutor_list_row, parent, false);
+
+        return new MyViewHolder(itemView);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
+        Drawable image = null;
+        User tutor = tutorsList.get(position);
+
+        holder.firstName.setText(String.format("%s %s", tutor.getFirstName(), tutor.getLastName()));
+        String ts = tutorsTimeStamps.get(tutor.getId());
+
+        if (tutor.isIsOnline()) {
+            image = context.getResources().getDrawable(R.drawable.user_list_online);
+            holder.lastSeen.setText(R.string.available_now);
+            holder.lastSeen.setVisibility(View.VISIBLE);
+            holder.loader.setVisibility(View.GONE);
+        } else if(tutor.isIsActive()){
+            image = context.getResources().getDrawable(R.drawable.user_list_offline);
+
+            if (ts != null){
+                holder.lastSeen.setText(R.string.last_sign);
+                holder.lastSeen.append(String.format(": %s", ts));
+                holder.loader.setVisibility(View.GONE);
+            }
+        } else {
+            image = context.getResources().getDrawable(R.drawable.user_list_off);
+
+            if(ts == null){
+                holder.lastSeen.setText(R.string.never_logged_in);
+            }else{
+                holder.lastSeen.setText(R.string.last_sign);
+                holder.lastSeen.append(String.format(": %s", ts));
+            }
+            holder.loader.setVisibility(View.GONE);
+        }
+
+        image.setBounds(0, 0, image.getIntrinsicWidth(), image.getIntrinsicHeight());
+        holder.isOnline.setCompoundDrawables(image, null, null, null);
+    }
+
+    @Override
+    public int getItemCount() {
+        return tutorsList.size();
+    }
+
+    class MyViewHolder extends RecyclerView.ViewHolder {
+
+        @BindView(R.id.firstName)
+        TextView firstName;
+
+        @BindView(R.id.lastSeen)
+        TextView lastSeen;
+
+        @BindView(R.id.isOnline)
+        TextView isOnline;
+
+        @BindView(R.id.loader)
+        SpinKitView loader;
+
+        MyViewHolder(View view) {
+            super(view);
+            ButterKnife.bind(this, view);
+        }
+    }
+}
+
 
 
-}

app/src/main/java/com/uam/wmi/findmytutor/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();
+                    }
                 }
             }
         };
@@ -140,22 +148,60 @@ public class BackgroundLocalizationService extends Service {
             startForeground(1001, notification);
         }
 
-        if (!stopService && !PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.MANUAL.toString())) {
-            createFusedLocationClient();
-        } else if (!stopService &&
-                PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.MANUAL.toString())) {
-            mStatusChecker = () -> {
-                try {
-                    sendCoordinateToBackend(fakeLoc);
-                } finally {
-                    mHandler.postDelayed(mStatusChecker, notify_interval);
-                }
-            };
+        if (!stopService) {
+            if (PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.PRESENCE.toString())) {
+                if (WifiUtils.checkIfUserIsInRangeOfWmiWifi(getApplicationContext())) {
+                    Location presenceFakeLoc = new Location("");
 
-            AsyncTask.execute(mStatusChecker);
+                    presenceFakeLoc.setLatitude(Const.presenceLatitude);
+                    presenceFakeLoc.setLongitude(Const.presenceLongitude);
+                    presenceFakeLoc.setAltitude(0);
+                    createPresenceLooper(presenceFakeLoc);
+                } else {
+                    createFusedLocationClient();
+                }
+            } else if (PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.EXACT.toString())
+                    || PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.APPROXIMATED.toString())
+                    ) {
+                createFusedLocationClient();
+            } else if (PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.MANUAL.toString())) {
+                Location manualFakeLoc = new Location("");
+
+                manualFakeLoc.setLatitude(0);
+                manualFakeLoc.setLongitude(0);
+                manualFakeLoc.setAltitude(0);
+                createLowBatteryLooper(manualFakeLoc);
+            }
         }
     }
 
+    private void createLowBatteryLooper(Location fakeLoc) {
+        mStatusChecker = () -> {
+            try {
+                sendCoordinateToBackend(fakeLoc);
+            } finally {
+                mHandler.postDelayed(mStatusChecker, notify_interval);
+            }
+        };
+        AsyncTask.execute(mStatusChecker);
+    }
+
+    private void createPresenceLooper(Location fakeLoc) {
+        mStatusChecker = () -> {
+            try {
+                if (WifiUtils.checkIfUserIsInRangeOfWmiWifi(getApplicationContext())) {
+                    sendCoordinateToBackend(fakeLoc);
+                } else {
+                    restartService();
+                }
+            } finally {
+                mHandler.postDelayed(mStatusChecker, notify_interval);
+            }
+        };
+        AsyncTask.execute(mStatusChecker);
+    }
+
+
     private void createFusedLocationClient() {
         Integer saveMode = Long.valueOf(notify_interval).compareTo(Long.valueOf(offlineBackgroundLocationInterval));
 
@@ -294,7 +340,7 @@ public class BackgroundLocalizationService extends Service {
             latitude = location.getLatitude();
             longitude = location.getLongitude();
             altitude = location.getAltitude();
-            Log.e(TAG,"TASK" + latitude + " " + longitude);
+            Log.e(TAG, "TASK" + latitude + " " + longitude);
             approximatedLocalization = new ApproximatedLocalization(MapUtils.loadJsonFromAsset(getApplicationContext(), "building.geojson"));
             approximatedBuildingPart = approximatedLocalization.getNameOfBuildingPart(Point.fromLngLat(longitude, latitude));
         }
@@ -307,6 +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

@@ -20,5 +20,7 @@ public class Const {
     public final static Range<Double> outsideLatitudeRange = Range.create(52.4651, 52.468837);
     public final static Range<Double> outsideLongitudeRange = Range.create(16.9186, 16.936004);
     public final static List<String> validApproximatedLocations = Arrays.asList("Skrzydło B", "Skrzydło A", "Aule", "Łącznik", "Biblioteka", "Hol", "Unknown");
+    public final static String WMI_SSID_NAME = "wmi";
 }
 
+

app/src/main/java/com/uam/wmi/findmytutor/utils/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(){
-            return String.valueOf(ConfigurationCompat.getLocales(Resources.getSystem().getConfiguration()));
+    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 {
 
@@ -41,8 +48,8 @@ public class MapUtils {
 
     // Map Bounds Area
     public static void setZoom(MapboxMap mapboxMap, Integer zoom) {
-            makeNewCamera(mapboxMap, 52.466799, 16.927002, zoom, 0, 0, 1000);
-            mapboxMap.setMinZoomPreference(16); // TODO export to map config
+        makeNewCamera(mapboxMap, 52.466799, 16.927002, zoom, 0, 0, 1000);
+        mapboxMap.setMinZoomPreference(16); // TODO export to map config
     }
 
     public static void makeNewCamera(MapboxMap mapboxMap, double lat, double lon, int zoomParam, int bearingParam, int tiltParam, int duration) {
@@ -73,14 +80,34 @@ public class MapUtils {
         }
     }
 
-    public static Boolean checkIfCoordinateIsValid(Location coordinate){
-       return outsideLatitudeRange.contains(coordinate.getLatitude()) && outsideLongitudeRange.contains(coordinate.getLongitude());
+    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/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_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">
 
 
@@ -61,10 +61,7 @@
                 app:passwordToggleEnabled="true"
                 android:layout_height="wrap_content">
 
-
-
-
-                <android.support.design.widget.TextInputEditText
+                <EditText
                     android:id="@+id/password"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
@@ -78,7 +75,6 @@
 
             </android.support.design.widget.TextInputLayout>
 
-
             <Button
                 android:id="@+id/email_sign_in_button"
                 style="?android:textAppearanceSmall"
@@ -88,7 +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:id="@+id/toolbar"
+        <android.support.design.widget.CollapsingToolbarLayout
+            android:id="@+id/toolbar_layout"
             android:layout_width="match_parent"
-            android:layout_height="?attr/actionBarSize"
-            android:background="?attr/colorPrimary"
-            app:popupTheme="@style/AppTheme.PopupOverlay" />
+            android:layout_height="match_parent"
+            android:fitsSystemWindows="true"
+            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="@string/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

@@ -1,12 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <android.support.design.widget.CoordinatorLayout 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"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:fitsSystemWindows="true"
-    android:id="@+id/activity_whitelist_container"
-    tools:context=".activity.WhiteList">
+     xmlns:app="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fitsSystemWindows="true"
+        android:id="@+id/activity_tutor_content"
+        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"
@@ -76,6 +77,7 @@
             android:layout_alignStart="@+id/userRoomLayout"
             android:layout_alignParentTop="true"
             android:layout_marginTop="30dp"
+            android:layout_marginStart="5dp"
             android:text="@string/personalInfoTitle"
             android:textColor="@color/mapboxRedDark"
             android:textSize="18sp"
@@ -112,7 +114,8 @@
             android:layout_height="wrap_content"
             android:layout_below="@+id/userRoomLayout"
             android:layout_alignStart="@+id/userRoomLayout"
-            android:layout_marginStart="0dp"
+            android:layout_marginStart="5dp"
+            android:layout_marginEnd="30dp"
             android:layout_marginTop="10dp"
             android:gravity="center"
             android:text="@string/dutyTitle"
@@ -122,20 +125,20 @@
 
         <android.support.v7.widget.RecyclerView
             android:id="@+id/dutyHourView"
-            android:layout_width="300dp"
-            android:layout_height="100dp"
+            android:layout_width="match_parent"
+            android:layout_height="120dp"
             android:layout_below="@+id/addDuty"
-
             android:layout_alignParentStart="true"
             android:layout_marginStart="30dp"
-            android:layout_marginTop="0dp"
-            android:layout_marginEnd="30dp"
+            android:layout_marginTop="15dp"
+            android:layout_marginEnd="50dp"
             android:scrollbars="vertical" />
 
         <TextView
             android:id="@+id/userNoteTitle"
             android:textStyle="bold"
-            android:layout_width="wrap_content"
+            android:layout_marginStart="5dp"
+            android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_below="@+id/dutyHourView"
             android:layout_alignStart="@+id/userRoomLayout"
@@ -143,29 +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:textColor="@color/white"
+            app:backgroundTint="@color/colorPrimary"
             android:layout_alignBaseline="@+id/dutyTitle"
-            android:layout_toEndOf="@+id/userRoomLayout"
+            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"
@@ -173,29 +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_alignBaseline="@+id/personalInfoTitle"
             android:layout_alignEnd="@+id/userEmailLayout"
+            android:textColor="@color/white"
+            app:backgroundTint="@color/colorPrimary"
+            android:stateListAnimator="@null"
             android:text="@string/scrap_tutor_tab" />
 
-        <Button
-
-            android:id="@+id/saveButon"
-            android:layout_width="wrap_content"
+        <android.support.v7.widget.AppCompatButton
+            android:id="@+id/saveButton"
+            android:layout_width="match_parent"
             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:textSize="15sp" />
-
+        android:textColor="#979797"
+        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"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintStart_toStartOf="parent" />
 
-                <TextView
-                    android:id="@+id/userName"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_marginBottom="15dp"
-                    android:gravity="center_horizontal"
-                    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"/>
         </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
@@ -151,34 +173,33 @@
                 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
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="5dp"
-        android:orientation="horizontal"
-        android:paddingLeft="20dp">
-
-        <ImageView
-            android:layout_width="25dp"
-            android:layout_height="25dp"
-            android:src="@drawable/user_modal_note"/>
-        <TextView
-            android:id="@+id/userNote"
-            android:layout_width="wrap_content"
+            android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_gravity="center_vertical"
-            android:textColor="@color/mapboxWhite"
-            android:paddingLeft="10dp"
-            />
-    </LinearLayout>
+            android:layout_marginTop="5dp"
+            android:orientation="horizontal"
+            android:paddingLeft="20dp">
+
+            <ImageView
+                android:layout_width="25dp"
+                android:layout_height="25dp"
+                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:paddingLeft="10dp"
+                android:textColor="@color/mapboxWhite" />
+        </LinearLayout>
 
 
     </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>
@@ -284,7 +284,14 @@
     <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

@@ -453,4 +453,10 @@
 
     <!--(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

@@ -8,7 +8,6 @@ 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