code: public void notifyConnectedDeviceToGui(@NonNull String notificationType, @Nullable String id) {
          Intent intent = new Intent();
          if (id != null) {
              intent.putExtra(CLIENT_IDENTIFIER, id);
          }
          intent.setAction(notificationType);
          mContext.sendBroadcast(intent);
      }
docs: Method to send in broadcast a new connected device to the UI