How can I disable all views inside the layout?

Question

For example I have:

Answer 1

tutu's answer is on the right track, but his recursion is a little awkward. I think this is cleaner:

private static void setViewAndChildrenEnabled(View view, boolean enabled) {
    view.setEnabled(enabled);
    if (view instanceof ViewGroup) {
        ViewGroup viewGroup = (ViewGroup) view;
        for (int i = 0; i < viewGroup.getChildCount(); i++) {
            View child = viewGroup.getChildAt(i);
            setViewAndChildrenEnabled(child, enabled);
        }
    }
}