DownUpActivity.java 文件源码

/**
 * 隐藏下面的菜单
 */
private void hide() {
    rel.startAnimation(mHiddenAction);
    rel.setVisibility(View.INVISIBLE);

    mFloatingActionsMenu.startAnimation(mHiddenAction1);
    mFloatingActionsMenu.setVisibility(View.INVISIBLE);

    animatorHeadHide = ObjectAnimator.ofFloat(vvv, "translationY", 0, -headHight);
    animatorHeadHide.setDuration(666);
    animatorHeadHide.start();


    animatorHeadHide.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            Log.e("lllxxx",animation.getAnimatedValue()+"===");
            linearParams.height = headHight+(int)((float)animation.getAnimatedValue());
            head.setLayoutParams(linearParams);
        }
    });

}