Imageview旋转动画不会在单击时重复

boolean isAnimationPlaying = false;

imageView.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        if (!isAnimationPlaying) {
            isAnimationPlaying = true;

            Animation rotateAnimation = new RotateAnimation(0, 360, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
            rotateAnimation.setDuration(1000);

            rotateAnimation.setAnimationListener(new Animation.AnimationListener() {
                @Override
                public void onAnimationStart(Animation animation) {
                }

                @Override
                public void onAnimationEnd(Animation animation) {
                    isAnimationPlaying = false;
                }

                @Override
                public void onAnimationRepeat(Animation animation) {
                }
            });

            imageView.startAnimation(rotateAnimation);
        }
    }
});