public void setReadOnly(boolean readOnly) {
   view.setReadOnly(readOnly);
 }
 public void init(int width, int height, TakePictureCallback callback) {
   view.init(width, height, callback);
 }
 public void setPictureUrl(String url) {
   view.setPictureUrl(url);
 }
 @Override
 public Widget asWidget() {
   return view.asWidget();
 }