CustomRefreshLayout2.java 文件源码

private void startLoadingAnimation(ImageView imageView) {
  RotateAnimation loadingAnimation =
      new RotateAnimation(0f, 360f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
          0.5f);
  loadingAnimation.setDuration(1000);
  loadingAnimation.setRepeatCount(-1);
  loadingAnimation.setInterpolator(new LinearInterpolator());
  imageView.setAnimation(loadingAnimation);
  loadingAnimation.start();
}