@Nullable
@Override
public IBinder onBind(Intent intent) {
    return (new AbstractThreadedSyncAdapter(this, true) {
        @Override
        public void onPerformSync(Account account, Bundle extras, String authority, ContentProviderClient provider, SyncResult syncResult) {
            Log.d(TAG, "unimplemented Method: onPerformSync");
        }
    }).getSyncAdapterBinder();
}