private static View findProperTarget(final View view) {
		if (! (view instanceof Toolbar)) return view;
		final ViewGroup group = (ViewGroup) view;
		for (int i = 0; i < group.getChildCount(); i ++) {
			final View child = group.getChildAt(i);
			if (child instanceof ActionMenuView) return ((ActionMenuView) child).getChildAt(0);	// ActionMenuItemView
		}
		return view;
	}
Helper for manipulate user guide menu

Created by Oasis on 2017/3/14.
mobile/src/main/java/com/oasisfeng/island/guide/UserGuide.java