Glide设置图片4个角为圆角

  //Glide设置图片圆角角度
    RoundedCorners roundedCorners = new RoundedCorners(50);
  //通过RequestOptions扩展功能,override:采样率,因为ImageView就这么大,可以压缩图片,降低内存消耗
   // RequestOptions options = RequestOptions.bitmapTransform(roundedCorners).override(20, 20);
       RequestOptions options = RequestOptions.bitmapTransform(roundedCorners);
   Glide.with(mContext).load(mUrlList.get(position % mUrlList.size())).apply(options).into(iv);

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