如何启动和停止带有按钮的旋转ImageView的动画

private ImageView imageView;
private Animation animation;

imageView = findViewById(R.id.imageView);
Button startButton = findViewById(R.id.startButton);
Button stopButton = findViewById(R.id.stopButton);

private void startAnimation() {
    animation = AnimationUtils.loadAnimation(this, R.anim.rotate);
    imageView.startAnimation(animation);
}

private void stopAnimation() {
    imageView.clearAnimation();
}

startButton.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        startAnimation();
    }
});

stopButton.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        stopAnimation();
    }
});

<activity android:name=".MainActivity">
    <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
    </intent-filter>
</activity>