public Drawable loadDrawable(String url) {
   if (tfh == null) {
     tfh = new TiFileHelper(tiContext.getActivity());
   }
   return tfh.loadDrawable(url, false);
 }
 private Drawable getDrawableFromUrl(String url) {
   TiUrl imageUrl = new TiUrl((String) url);
   TiFileHelper tfh = new TiFileHelper(TiApplication.getInstance());
   return tfh.loadDrawable(imageUrl.resolve(), false);
 }
 public Drawable getBackgroundImageDrawable(KrollProxy proxy, String path) {
   String url = proxy.resolveUrl(null, path);
   return TiFileHelper.loadDrawable(url);
 }