/** 初始化水平滚动翻页 */
  private void initPageScroll() {
    fdScrollLayout = (FDScrollLayout) findViewById(R.id.main_scrolllayout);
    //		fdScrollLayout.setIsScroll(false);

    RadioGroup mainBarLayout = (RadioGroup) findViewById(R.id.fd_main_tabbar);
    //		fdHeadTitles = getResources().getStringArray(R.array.head_titles);
    fdViewCount = fdScrollLayout.getChildCount();
    radioButtons = new RadioButton[fdViewCount];

    for (int i = 0; i < fdViewCount; i++) {
      radioButtons[i] = (RadioButton) mainBarLayout.getChildAt(i);
      radioButtons[i].setTag(i);
      radioButtons[i].setChecked(false);
      radioButtons[i].setOnClickListener(
          new View.OnClickListener() {
            public void onClick(View view) {
              int posistion = (Integer) (view.getTag());
              // 点击当前项刷新
              if (currentSelect == posistion) {
                switch (posistion) {
                  case 0: // 首页
                    break;
                  case 1: // 搜索
                    initSearchView();
                    break;
                  case 2: // 优惠
                    break;
                  case 3: // 个人
                    break;
                }
              }
              fdScrollLayout.snapToScreen(posistion);
            }
          });
    }

    // 设置第一显示屏
    currentSelect = 0;
    radioButtons[currentSelect].setChecked(true);
    fdScrollLayout.setOnViewChangeListener(
        new FDScrollLayout.OnViewChangeListener() {
          public void OnViewChange(int viewIndex) {
            // 切换列表视图-如果列表数据为空:加载数据
            switch (viewIndex) {
              case 0: // 首页
                break;
              case 1: // 搜索
                break;
              case 2: // 优惠
                break;
              case 3: // 个人
                // 判断登录
                break;
            }
            setCurrentPoint(viewIndex);
          }
        });
  }
  // 切换到..
  public void setPageIndex(int index) {
    if (index < 0 || index > fdViewCount - 1 || currentSelect == index) return;

    radioButtons[currentSelect].setChecked(false);
    radioButtons[index].setChecked(true);
    currentSelect = index;
    fdScrollLayout.snapToScreen(index);
  }