Д .1.1 Исходный код класса NavigationDrawerActivity

package com.example.evacuateme.Activity;

 

public class NavigationDrawerActivity extends AppCompatActivity

   implements NavigationView.OnNavigationItemSelectedListener {

private SharedPreferences sharedPreferences;

private FragmentTransaction fragmentTransaction;

private boolean isMapAttached = false;

public static boolean active;

private NotificationManager notificationManager;

 

@Override

protected void onCreate(Bundle savedInstanceState) {

   super.onCreate(savedInstanceState);

   setContentView(R.layout.activity_navigation_drawer);

   Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);

   setSupportActionBar(toolbar);

 

   DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);

   ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(

           this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);

   drawer.setDrawerListener(toggle);

     toggle.syncState();

 

   NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);

   navigationView.setNavigationItemSelectedListener(this);

 

   changeUI();

}

 

@Override

public void onBackPressed() {

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);

   if (drawer.isDrawerOpen(GravityCompat.START)) {

       drawer.closeDrawer(GravityCompat.START);

   } else {

       super.onBackPressed();

   }

}

 

 @Override

public boolean onCreateOptionsMenu(Menu menu) {

   getMenuInflater().inflate(R.menu.navigation_drawer, menu);

   return true;

}

 

@Override

public boolean onOptionsItemSelected(MenuItem item) {

   return super.onOptionsItemSelected(item);

}

 

@SuppressWarnings("StatementWithEmptyBody")

@Override

public boolean onNavigationItemSelected(MenuItem item) {

   int id = item.getItemId();

   switch (id){

       case R.id.nav_map:{

           changeUI();

           break;

       }

       case R.id.nav_orders:{

           isMapAttached = false;

           sharedPreferences = getSharedPreferences("API_KEY", Context.MODE_PRIVATE);

           String api_key = sharedPreferences.getString("api_key", "");

           GetOrderHistoryAsync getOrderHistoryAsync = new GetOrderHistoryAsync(NavigationDrawerActivity.this, api_key,

                   new GetOrderHistoryCallBack() {

                       @Override

                       public void completed(boolean result, List<OrderHistory> list_orders) {

                           if(result){

                               fragmentTransaction = getSupportFragmentManager().beginTransaction();

                              HistoryFragment historyFragment = new HistoryFragment();

                               Bundle bundle = new Bundle();

                               bundle.putString("list_orders", new Gson().toJson(list_orders));

                                  historyFragment.setArguments(bundle);

                               fragmentTransaction.replace(R.id.main_container_fragment, historyFragment).commit();

                           }

                       }

                   });

           getOrderHistoryAsync.execute();

           break;

       }

       case R.id.nav_settings:{

           isMapAttached = false;

           fragmentTransaction = getSupportFragmentManager().beginTransaction();

           CarSettingsFragment carSettingsFragment = new CarSettingsFragment();

           fragmentTransaction.replace(R.id.main_container_fragment, carSettingsFragment).commit();

           break;

       }

       case R.id.nav_exit:{

           exit();

           break;

       }

   }

   DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);

   drawer.closeDrawer(GravityCompat.START);

   return true;

}

 

@Override

public void onAttachFragment(Fragment fragment) {

   super.onAttachFragment(fragment);

}

 

private void changeUI(){

   fragmentTransaction = getSupportFragmentManager().beginTransaction();

   if(isMapAttached){

       return;

   }

   if(Net.isAvailable(NavigationDrawerActivity.this) && Gps.isAvailable(NavigationDrawerActivity.this)){

       MainMapFragment mainMapFragment = new MainMapFragment();

       fragmentTransaction.replace(R.id.main_container_fragment, mainMapFragment);

       isMapAttached = true;

   }

   else {

       GpsOffFragment gpsOffFragment = new GpsOffFragment();

       fragmentTransaction.replace(R.id.main_container_fragment, gpsOffFragment);

   }

     fragmentTransaction.commit();

}

 

private void exit(){

   sharedPreferences = getSharedPreferences("IS_LOGIN", Context.MODE_PRIVATE);

   SharedPreferences.Editor editor_isLogin = sharedPreferences.edit();

   editor_isLogin.putBoolean("is_login", false);

   editor_isLogin.apply();

   sharedPreferences = getSharedPreferences("API_KEY", Context.MODE_PRIVATE);

   SharedPreferences.Editor editor_api_key = sharedPreferences.edit();

   editor_api_key.putString("is_login", "");

   editor_api_key.apply();

   Intent intent = new Intent(NavigationDrawerActivity.this, MainActivity.class);

   intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);

   startActivity(intent);

}

 

@Override

protected void onResume() {

   super.onResume();

   active = true;

   NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);

   navigationView.setNavigationItemSelectedListener(this);

   notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

   notificationManager.cancelAll();

}

 

@Override

protected void onPause() {

   super.onPause();

   active = false;

}

 

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