/** 请求同步数据范例 */
 private void requestSynData() {
   // TODO Auto-generated method stub
   try {
     List<ExampleBean> list = mModel.getSynTestData();
     if (list.size() == 0) {
       mView.onDefault(null);
     } else {
       List<String> result = getStringListByExampleBeanList(list);
       mView.onSetSynTestData(result);
     }
   } catch (Exception e) {
     // TODO: handle exception
     mView.onError(null);
   }
 }