@AfterViews
  void initView() {

    mListView.setAdapter(adapter);

    //		DisplayMetrics metric = new DisplayMetrics();
    //		getWindowManager().getDefaultDisplay().getMetrics(metric);
    DisplayMetrics dm = new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(dm);

    Log.e("BBBBBBBBBBBBBBBBBBBB", dm.heightPixels + " " + dm.widthPixels + " ");
    measureSize(dm.heightPixels);

    stretchanimation = new StretchAnimation(maxSize, minSize, StretchAnimation.TYPE.vertical, 500);
    // 你可以换不能给的插值器
    stretchanimation.setInterpolator(new DecelerateInterpolator());
    // 动画时间
    stretchanimation.setDuration(800);
    // 回调
    stretchanimation.setOnAnimationListener(this);

    int childCount = mSliding.getChildCount();
    View child;
    LayoutParams params = null;
    int index = 0;
    int sizeValue = 0;

    for (int i = 0; i < childCount; i++) {

      child = mSliding.getChildAt(i);
      child.setOnClickListener(this);
      params = child.getLayoutParams();

      if (i == index) {
        preView = child;
        sizeValue = maxSize;
      } else {
        sizeValue = minSize;
      }
      params.height = sizeValue;
      child.setLayoutParams(params);
    }
  }