@Override
 public void onComplete(Object response) {
   // TODO Auto-generated method stub
   Util.toastMessage(QQTroopBarActivity.this, "onComplete: " + response.toString());
 }
 @Override
 public void onError(UiError e) {
   // TODO Auto-generated method stub
   Util.toastMessage(QQTroopBarActivity.this, "onError: " + e.errorMessage, "e");
 }
 @Override
 public void onCancel() {
   Util.toastMessage(QQTroopBarActivity.this, "onCancel called");
 }