ImageUtils.java 文件源码

public static void downloadToImageView(Context context, String imageUrl, ImageView imageView){
  Picasso.with(context)
      .load(baseUrl + imageUrl)
      .memoryPolicy(MemoryPolicy.NO_CACHE)
      .networkPolicy(NetworkPolicy.NO_CACHE)
      .placeholder(R.drawable.placeholder)
      .error(R.drawable.error_loading)
      .into(imageView);
}