code: public static Widget createWidget(final GVRSceneObject root,
              final String childName) throws InstantiationException {
          GroupWidget widget = (GroupWidget)createWidget(root, childName, GroupWidget.class);
          widget.applyLayout(new AbsoluteLayout());
          return widget;
      }
docs: Create an {@link AbsoluteLayout} {@link Widget} to wrap a
  {@link GVRSceneObject} that is a child of the specified {@code root}
  {@code GVRSceneObject}.
  
  @param root
  The root {@code GVRSceneObject} containing the desired child.
  @param childName
  Name of the child of {@code root} to wrap.
  @return A new {@code AbsoluteLayout} instance.
  @throws InstantiationException
  If the {@code Widget} can't be instantiated for any reason.