AnimationService.java 文件源码

public static AnimationSet startAlphaHideAnimation(final View VIEW) {
    final int ANIMATION_DURATION = 350;

    final Animation mHideViewAnimation = new AlphaAnimation(1f, 0f);

    AnimationSet mAnimations = new AnimationSet(true);
    mAnimations.setDuration(ANIMATION_DURATION);
    mAnimations.setInterpolator(new AccelerateDecelerateInterpolator());
    mAnimations.addAnimation(mHideViewAnimation);
    mAnimations.setFillAfter(true);

       if(VIEW != null)
        VIEW.startAnimation(mAnimations);

    return mAnimations;
}