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

app/build.gradle

@@ -10,7 +10,7 @@ android {
         applicationId "com.uam.wmi.findmytutor"
         minSdkVersion 22
         targetSdkVersion 27
-        versionCode 55
+        versionCode 66
         versionName "1.0.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
@@ -72,6 +72,9 @@ dependencies {
     implementation 'com.getbase:floatingactionbutton:1.10.1'
     implementation 'org.apache.commons:commons-collections4:4.0'
     implementation 'com.android.support:design:27.1.1'
-    implementation 'com.akexorcist:localizationactivity:1.2.2'
-    implementation 'com.android.support:appcompat-v7:25.2.0'
+
+    // 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/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

@@ -24,11 +24,6 @@ public abstract class AppCompatPreferenceActivity extends PreferenceActivity {
 
     private AppCompatDelegate mDelegate;
 
-    @Override
-    protected void attachBaseContext(Context base) {
-        super.attachBaseContext(LocaleHelper.onAttach(base));
-    }
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         getDelegate().installViewFactory();

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

@@ -38,6 +38,7 @@ 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;
 
@@ -126,17 +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");
 
@@ -165,6 +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>();
 
@@ -419,6 +427,7 @@ public abstract class BaseActivity
         sharingFragment = SharingFragment.newInstance();
         FragmentTransaction ft = getFragmentManager().beginTransaction();
         ft.replace(R.id.activity_content, sharingFragment);
+        //ft.addToBackStack(null);
         ft.commit();
     }
 
@@ -428,6 +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();
 
     }

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

@@ -32,6 +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;
@@ -67,6 +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;
@@ -88,6 +90,9 @@ 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;
@@ -129,6 +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();
         /**
@@ -148,7 +154,6 @@ public class BlackList extends AppCompatActivity {
         }));
 
         addToBlackListFab.setOnClickListener(this::showFabDialog);
-
         handleSwitch();
     }
 
@@ -168,34 +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(){
@@ -257,10 +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();
     }
@@ -282,15 +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

@@ -3,7 +3,6 @@ package com.uam.wmi.findmytutor.activity;
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.annotation.TargetApi;
-import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Build;
@@ -28,7 +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.LocaleHelper;
+import com.uam.wmi.findmytutor.utils.MapUtils;
 import com.uam.wmi.findmytutor.utils.PrefUtils;
 import com.uam.wmi.findmytutor.utils.RestApiHelper;
 
@@ -41,8 +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;
@@ -52,11 +50,6 @@ LoginActivity extends AppCompatActivity {
     private UserService userService;
     private CompositeDisposable disposable = new CompositeDisposable();
 
-    @Override
-    protected void attachBaseContext(Context base) {
-        super.attachBaseContext(LocaleHelper.onAttach(base));
-    }
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -157,9 +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));
@@ -198,6 +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

@@ -8,6 +8,7 @@ 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;
@@ -126,6 +127,7 @@ public class MapActivity extends BaseActivity
         mStatusChecker = () -> {
             try {
                 if (shouldFetchNewCoords) {
+                    checkIfUsesCanBeTutor();
                     fetchTopCoords();
                 }
             } finally {
@@ -134,7 +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);
@@ -145,6 +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
@@ -403,6 +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/SharingFragment.java

@@ -151,7 +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();
                     }
-
                 }));
     }
 
@@ -246,7 +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();

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

@@ -1,18 +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;
@@ -38,12 +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
@@ -56,4 +66,8 @@ public class StartupActivity extends AppCompatActivity {
 
         finish();
     }
+
+
 }
+
+

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

@@ -66,28 +66,6 @@ public class TutorTab extends AppCompatActivity {
     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);
@@ -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));
 
         }
@@ -309,5 +283,21 @@ public class TutorTab extends AppCompatActivity {
         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;
@@ -30,6 +31,7 @@ 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;
@@ -57,8 +59,13 @@ 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;
@@ -74,6 +81,8 @@ 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;
@@ -95,7 +104,6 @@ public class UsersListFragment extends Fragment {
     }
 
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-
         mAdapter = new TutorsListAdapter(getActivity().getApplicationContext(), tutorsList, tutorsTimeStamps);
         View view = inflater.inflate(R.layout.users_list, container, false);
         view.setBackgroundColor(getResources().getColor(android.R.color.white));
@@ -119,6 +127,7 @@ 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();
@@ -308,6 +317,7 @@ public class UsersListFragment extends Fragment {
                                 tutorsList.addAll(users);
                                 mAdapter.notifyDataSetChanged();
                                 toggleEmptyNotes();
+                                fetchTopCords();
                             }
 
                             @Override
@@ -404,9 +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);
@@ -416,6 +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();
@@ -438,38 +478,4 @@ public class UsersListFragment extends Fragment {
         super.onStop();
     }
 
-    public void onSaveInstanceState(Bundle outState) {
-        super.onSaveInstanceState(outState);
-    }
-
-    private void fetchTopCords(){
-        disposable.add(
-                coordinateService.getTopCoordinates()
-                        .subscribeOn(Schedulers.io())
-                        .observeOn(AndroidSchedulers.mainThread())
-                        .subscribeWith(new DisposableSingleObserver<List<Coordinate>>() {
-                            @Override
-                            public void onSuccess(List<Coordinate> newCords) {
-                                for (Coordinate crd :
-                                        newCords) {
-                                    Long ts = crd.getTimeStamp();
-                                    if (ts != 0){
-                                        tutorsTimeStamps.put(crd.getUserId(), getDate(ts));
-                                    }
-                                }
-                                mAdapter.notifyDataSetChanged();
-
-                            }
-
-                            @Override
-                            public void onError(Throwable e) {showSearchError(e);}
-                        }));
-    }
-
-    private String getDate(long time) {
-        Calendar cal = Calendar.getInstance(Locale.ENGLISH);
-        cal.setTimeInMillis(time);
-        String date = DateFormat.format("HH:mm dd/MM", cal).toString();
-        return date;
-    }
-}
+}

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

@@ -30,6 +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;
@@ -57,6 +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;
@@ -73,6 +75,10 @@ public class WhiteList extends AppCompatActivity {
     @BindView(R.id.add_to_white_list_fab)
     FloatingActionButton addToWhiteListFab;
 
+    @BindView(R.id.loader)
+    SpinKitView loader;
+
+
     private CompositeDisposable disposable = new CompositeDisposable();
     private UserService userService;
     private boolean didFetched = false;
@@ -118,6 +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
@@ -156,34 +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() {
@@ -270,17 +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;
@@ -9,6 +10,7 @@ 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;
 
@@ -45,21 +47,31 @@ public class TutorsListAdapter extends RecyclerView.Adapter<TutorsListAdapter.My
         User tutor = tutorsList.get(position);
 
         holder.firstName.setText(String.format("%s %s", tutor.getFirstName(), tutor.getLastName()));
+        String ts = tutorsTimeStamps.get(tutor.getId());
 
         if (tutor.isIsOnline()) {
             image = context.getResources().getDrawable(R.drawable.user_list_online);
             holder.lastSeen.setText(R.string.available_now);
+            holder.loader.setVisibility(View.GONE);
         } else {
             image = context.getResources().getDrawable(R.drawable.user_list_offline);
-            String ts = tutorsTimeStamps.get(tutor.getId());
 
             if (ts != null){
-                holder.lastSeen.setText(String.format("%s: %s", R.string.last_seen, ts));
+                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());
@@ -82,6 +94,120 @@ public class TutorsListAdapter extends RecyclerView.Adapter<TutorsListAdapter.My
         @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/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/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/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/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_layout.xml

@@ -77,6 +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"
@@ -113,7 +114,7 @@
             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"
@@ -125,18 +126,18 @@
         <android.support.v7.widget.RecyclerView
             android:id="@+id/dutyHourView"
             android:layout_width="match_parent"
-            android:layout_height="100dp"
+            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_marginStart="5dp"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_below="@+id/dutyHourView"
@@ -153,6 +154,8 @@
             app:backgroundTint="@color/colorPrimary"
             android:layout_alignBaseline="@+id/dutyTitle"
             android:layout_toEndOf="@+id/dutyTitle"
+            android:stateListAnimator="@null"
+
             android:text="@string/addDuty" />
 
         <android.support.design.widget.TextInputLayout
@@ -163,12 +166,11 @@
             android:layout_alignParentStart="true"
             android:layout_marginStart="30dp"
             android:layout_marginEnd="30dp"
-            android:layout_marginTop="0dp"
+            android:layout_marginTop="15dp"
             app:counterEnabled="true"
             app:counterMaxLength="1000">
 
             <android.support.design.widget.TextInputEditText
-
                 android:id="@+id/userNote"
                 android:layout_width="match_parent"
                 android:layout_height="100dp"
@@ -178,7 +180,7 @@
                 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" />
@@ -192,18 +194,22 @@
             android:layout_alignEnd="@+id/userEmailLayout"
             android:textColor="@color/white"
             app:backgroundTint="@color/colorPrimary"
+            android:stateListAnimator="@null"
             android:text="@string/scrap_tutor_tab" />
 
         <android.support.v7.widget.AppCompatButton
             android:id="@+id/saveButton"
-            android:layout_width="wrap_content"
+            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:textColor="@color/white"
             app:backgroundTint="@color/colorPrimary"
-            android:text="@string/saveButton" />
+            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

@@ -7,7 +7,6 @@
     android:fontFamily="@font/lato_regular"
     >
 
-
     <android.support.v7.widget.AppCompatButton
     xmlns:android="http://schemas.android.com/apk/res/android"
         android:id="@+id/button_choose_from_map"
@@ -16,6 +15,8 @@
         android:textColor="@color/white"
         app:backgroundTint="@color/top_user_modal"
         android:layout_height="wrap_content"
+        android:stateListAnimator="@null"
+
         />
 
 

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

@@ -19,9 +19,20 @@
         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/lastSeen"
         android:layout_width="270dp"
@@ -35,7 +46,6 @@
         android:textColor="#979797"
         android:textSize="13sp" />
 
-
     <TextView
         android:id="@+id/isOnline"
         android:layout_width="50dp"

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

@@ -284,9 +284,15 @@
     <string name="exact_mode">dokładny</string>
     <string name="approx_mode">przybliżony</string>
     <string name="other_location">Niezapisana lokalizacja.</string>
-    <string name="last_seen">Ostatnio</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

@@ -455,5 +455,8 @@
     <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_seen">Last seen</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>

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