@Override
 public Uri upload(final Uri file_uri, final String message) {
   if (mService == null) return null;
   try {
     return mService.upload(file_uri, message);
   } catch (final RemoteException e) {
     e.printStackTrace();
   }
   return null;
 }
 @Override
 public IBinder asBinder() {
   // Useless here
   return mService.asBinder();
 }