UdeskExpandableLayout.java 文件源码

@Override
protected void applyTransformation(float interpolatedTime,
        Transformation t) {
    try {
        int newHeight;
        if (down) {
                  newHeight = (int) (targetHeight * interpolatedTime);
              } else {
                  newHeight = (int) (targetHeight * (1 - interpolatedTime));
              }
        view.getLayoutParams().height = newHeight;
        view.requestLayout();
        if (view.getVisibility() == View.GONE) {
                  view.setVisibility(View.VISIBLE);
              }
    } catch (Exception e) {
        e.printStackTrace();
    }
}