@Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_user_list);

    currentUser = ParseUser.getCurrentUser();

    // ----------------------------------------------------------------------
    // Check if service is running.

    if (!MessageService.isMessageServiceRunning()) {

      // Start the service
      // registerReceiver(messageReceiver, messageFilter);

      Log.d("UserListActivity", "Starting message service");

      Intent messageservice = new Intent(this, MessageService.class);
      messageservice.putExtra("channel", currentUser.getUsername());
      startService(messageservice);
    }

    // ----------------------------------------------------------------------

    new RemoteDataTask().execute();
  }