BottomMenu.java 文件源码

private Animation scaleSmallAnim(int duration, final View child) {

        AnimationSet animationSet = new AnimationSet(true);

        ScaleAnimation scaleAnim = new ScaleAnimation(1.0f, 0.0f, 1.0f, 0.0f,
                Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
                0.5f);
        AlphaAnimation alphaAnim = new AlphaAnimation(1f, 0.0f);
        alphaAnim.setFillAfter(true);
        animationSet.addAnimation(scaleAnim);
        animationSet.addAnimation(alphaAnim);
        animationSet.setDuration(duration);

        return animationSet;

    }