public EventTheme getItem(int position) {

    EventTheme theme = null;
    if (mThemeCursor != null && mThemeCursor.moveToPosition(position)) {
      theme = QiupuORM.createEventThemeInfo(mThemeCursor);
    }
    return theme;
  }
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    orm = QiupuORM.getInstance(mActivity);
    mHandler = new MainHandler();
    asyncQiupu = new AsyncQiupu(ConfigurationContext.getInstance(), null, null);
    QiupuHelper.registerUserListener(getClass().getName(), this);

    width = this.getResources().getDisplayMetrics().widthPixels;
    if (mCallBackListener != null) {
      mUser = mCallBackListener.getUserInfo();
    }
    if (mUser == null) {
      mUser = new QiupuUser();
    }
  }