@Override
 protected void onCreate(Bundle savedInstanceState) {
   // TODO Auto-generated method stub
   super.onCreate(savedInstanceState);
   // 创建微博对象实例
   sinaObject = getFramework().getSinaObject();
 }
 @Override
 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
   // TODO Auto-generated method stub
   super.onActivityResult(requestCode, resultCode, data);
   sinaObject.authorizeCallBack(requestCode, resultCode, data);
 }