BouncingSlidingDotView.java 文件源码

@NonNull
private AnimatorSet getMoveAnimator(long ratioAnimationTotalDuration) {
    AnimatorSet moveAnimatorSet = new AnimatorSet();

    ValueAnimator slidingAnimator = ValueAnimator.ofInt(startLeft, 0);
    slidingAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animator) {
            targetLeft = (int) animator.getAnimatedValue();
            invalidate();
        }
    });
    slidingAnimator.setInterpolator(new LinearInterpolator());
    slidingAnimator.setDuration(ratioAnimationTotalDuration);

    AnimatorSet bounceSet = getBounceAnimatorSet(ratioAnimationTotalDuration);

    moveAnimatorSet.playTogether(slidingAnimator, bounceSet);
    return moveAnimatorSet;
}