title: Push Notifications after App is killed
body: <p>I can't seem to receive FCM Push Notifications that I send from the FCM console after app is killed on android, as in long-press the Overview button and swiping the app to be killed. It works absolutely fine when the app is running in the foreground or background. This may seem like a duplicate question but I have tried the other methods but I still cannot seem to get it.</p>
  
  <p>NotificationService.java</p>
  
  <pre><code>public class NotificationService extends FirebaseMessagingService
  {
  
  private static final String TAG = "FCM Service";
  @Override
  public void onMessageReceived(RemoteMessage remoteMessage) {
  
      Log.d(TAG, "From: " + remoteMessage.getFrom());
      Log.d(TAG, "Notification Message Body: " + remoteMessage.getNotification().getBody());
      sendNotification(remoteMessage.getNotification().getBody());
  }
  
  private void sendNotification(String messageBody) {
  
          Intent intent = new Intent(this, MainActivity.class);
          intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
          PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent,
                  PendingIntent.FLAG_ONE_SHOT);
  
          Uri defaultSoundUri= RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
          android.support.v4.app.NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this)
                  .setSmallIcon(R.mipmap.ic_launcher)
                  .setContentTitle("Firebase")
                  .setContentText(messageBody)
                  .setAutoCancel(true)
                  .setSound(defaultSoundUri)
                  .setContentIntent(pendingIntent);
  
          NotificationManager notificationManager =
                  (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
  
          notificationManager.notify(0, notificationBuilder.build());
  }
  }
  </code></pre>
  
  <p>TokenRefresh.java</p>
  
  <pre><code>public class TokenRefresh extends FirebaseInstanceIdService {
  
  private static final String TAG = "FirebaseIDService";
  
  @Override
  public void onTokenRefresh() {
      // Get updated InstanceID token.
      String refreshedToken = FirebaseInstanceId.getInstance().getToken();
      Log.d(TAG, "Refreshed token: " + refreshedToken);
  
      // TODO: Implement this method to send any registration to your app's servers.
      sendRegistrationToServer(refreshedToken);
  }
  
  /**
   * Persist token to third-party servers.
   *
   * Modify this method to associate the user's FCM InstanceID token with any server-side account
   * maintained by your application.
   *
   * @param token The new token.
   */
  private void sendRegistrationToServer(String token) {
      // Add custom implementation, as needed.
  
  }
  
  }
  </code></pre>
  
  <p>MainActivity.java</p>
  
  <pre><code>public class MainActivity extends AppCompatActivity {
  
  Context context;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
  
  
      FirebaseMessaging.getInstance().subscribeToTopic("global");
  
      String token = ("fcm"+ FirebaseInstanceId.getInstance().getToken());
  
  
  }
  
  }
  </code></pre>