/** 验证是否check im */
  private void requestGetContact() {
    if (getMyApplication().isCheckIm) {
      requestContact();
      return;
    }
    RequestHelper.checkIm(
        this,
        new IResponseListener() {

          @Override
          public void onSuccess(Object o) {
            // TODO Auto-generated method stub

          }

          @Override
          public void onReqStart() {
            // TODO Auto-generated method stub

          }

          @Override
          public void onFinish() {
            // TODO Auto-generated method stub
            getMyApplication().isCheckIm = true;
            requestContact();
          }

          @Override
          public void onFailure(Object o) {
            // TODO Auto-generated method stub

          }
        });
  }