阳光的光圈通过旋转 ，动画实现

缩放动画（单一动画）

<set xmlns:android="http://schemas.android.com/apk/res/android">
<scale
android:duration="5000"
android:fillBefore="true"
android:fromXScale="1.1"
android:fromYScale="1.1"
android:pivotX="50%"
android:pivotY="50%"
android:repeatCount="infinite"
android:repeatMode="restart"
android:toXScale="1.6"
android:toYScale="1.6" />
</set>

旋转动画（单一动画）

<set xmlns:android="http://schemas.android.com/apk/res/android">
<rotate
android:duration="5000"
android:fromDegrees="0"
android:pivotX="50%"
android:pivotY="0%"
android:repeatCount="infinite"
android:repeatMode="restart"
android:toDegrees="85" />
</set>

组合动画（旋转与淡出）

private void multiAnimation(ImageView head) {
head.setPivotX(head.getWidth() / 2);//设置指定旋转中心点X坐标
head.setPivotY(0);//设置指定旋转中心点Y坐标
ObjectAnimator objectAnimator1 = ObjectAnimator.ofFloat(head, "alpha", 1.0f, 0f);
//旋转不停顿
objectAnimator1.setInterpolator(new LinearInterpolator());
objectAnimator1.setRepeatCount(ValueAnimator.INFINITE);
objectAnimator1.setRepeatMode(ValueAnimator.RESTART);
ObjectAnimator objectAnimator3 = ObjectAnimator.ofFloat(head, "rotation", 0.0f, 90.0f);
objectAnimator3.setInterpolator(new LinearInterpolator());
objectAnimator3.setRepeatCount(ValueAnimator.INFINITE);
objectAnimator3.setRepeatMode(ValueAnimator.RESTART);
/**
* mArrowImageView.setPivotX(mArrowImageView.getMeasureWidth() / 2);
* mArrowImageView.setPivotY(mArrowImageView.getMeasureHeight() / 2);
*/
AnimatorSet animatorSet = new AnimatorSet();
animatorSet.play(objectAnimator1).with(objectAnimator3);
animatorSet.setDuration(2000);
animatorSet.start();
}

组合动画 （缩放效果， x 轴  Y轴）

/**
* 光晕的效果
缩放
*
* @param head
*/
private void sunMmultiAnimationScale(ImageView head) {
ObjectAnimator objectAnimator4 = ObjectAnimator.ofFloat(head, "scaleX", 1.0f, 2.1f, 1.0f);
ObjectAnimator objectAnimator5 = ObjectAnimator.ofFloat(head, "scaleY", 1.0f, 2.1f, 1.0f);
objectAnimator4.setRepeatCount(ValueAnimator.INFINITE);
objectAnimator4.setRepeatMode(ValueAnimator.RESTART);
objectAnimator5.setRepeatCount(ValueAnimator.INFINITE);
objectAnimator5.setRepeatMode(ValueAnimator.RESTART);
AnimatorSet animatorSet = new AnimatorSet();
animatorSet.play(objectAnimator4).with(objectAnimator5);
animatorSet.setDuration(SUN_PLAY_TIME);
animatorSet.start();
}

最后

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