FadeScaleViewAnimProvider.java 文件源码

@Override
public Animation hideAnimation() {
    AnimationSet set = new AnimationSet(true);
    Animation alphaAnimation = new AlphaAnimation(1.0f, 0.0f);
    Animation scaleAnimation = new ScaleAnimation(1.0f, 0.1f, 1.0f, 0.1f, Animation.RELATIVE_TO_SELF, 0.5f,
            Animation.RELATIVE_TO_SELF, 0.5f);

    set.setDuration(200);
    set.setInterpolator(new DecelerateInterpolator());
    set.addAnimation(alphaAnimation);
    set.addAnimation(scaleAnimation);
    return set;
}