Launcher.java 文件源码

private ValueAnimator createNewAppBounceAnimation(View v, int i) {
    ValueAnimator bounceAnim = LauncherAnimUtils.ofViewAlphaAndScale(v, 1, 1, 1);
    bounceAnim.setDuration(InstallShortcutReceiver.NEW_SHORTCUT_BOUNCE_DURATION);
    bounceAnim.setStartDelay(i * InstallShortcutReceiver.NEW_SHORTCUT_STAGGER_DELAY);
    bounceAnim.setInterpolator(new OvershootInterpolator(BOUNCE_ANIMATION_TENSION));
    return bounceAnim;
}