FullScreenImageFragment.java 文件源码

private void loadImage(final ImageView imageView, final String url,
    final NetworkPolicy networkPolicy) {

  Picasso.with(context)
      .load(url)
      .placeholder(circularLoaderDrawable)
      .networkPolicy(networkPolicy)
      .into(imageView, new com.squareup.picasso.Callback() {
        @Override public void onSuccess() {
          //
          circularLoaderDrawable.clearAnimation();
        }

        @Override public void onError() {
          if (!networkPolicy.equals(NetworkPolicy.OFFLINE)) {
            circularLoaderDrawable.setError();
          } else {
            loadImage(imageView, url, NetworkPolicy.NO_CACHE);
          }
        }
      });
}