code: @BindingAdapter(value = {"sprockets_placeholder", "sprockets_load", "sprockets_resize",
              "sprockets_transform"}, requireAll = false)
      public static void load(ImageView view, Drawable placeholder, Uri load, boolean resize,
                              String transform) {
          RequestCreator req = Picasso.with(view.getContext()).load(load).placeholder(placeholder);
          if (resize) {
              req.fit().centerCrop(); // view width/height isn't available yet
          }
          if (TextUtils.equals(transform, "circle")) {
              req.transform(Transformations.circle());
          }
          req.into(view);
      }
docs: Set a placeholder before loading an image, optionally resizing and transforming it. All
  attributes are optional.
  
  @param transform can be "circle"