AnimationService.java 文件源码

public static void setAdapterInsertAnimation(final View aCard, int row, int height) {
    final int ANIMATION_DURATION = 650;
    final int BASE_DELAY = 50;

    TranslateAnimation translationAnimation = new TranslateAnimation(0,0, height,0);

    AlphaAnimation alphaAnimation = new AlphaAnimation(0f, 1f);

    final AnimationSet animationSet = new AnimationSet(true);
    animationSet.addAnimation(translationAnimation);
    animationSet.addAnimation(alphaAnimation);
    animationSet.setInterpolator(new AccelerateDecelerateInterpolator());
    animationSet.setFillAfter(true);
    animationSet.setFillBefore(true);
    animationSet.setDuration(ANIMATION_DURATION + row * BASE_DELAY);

    aCard.setAnimation(animationSet);
}