What do you need to pass to v4.widget.DrawerLayout.isDrawerOpen()/.openDrawer()/.closeDrawer()

Question

I\'ve been trying to move my code across to the DrawerLayout as suggested by android here as SlidingDrawer is deprecated.

My problem is tha

Answer 1

And, the answer:

The second child (aka, the "Drawer") is what needs to be passed to the methods. My problem was that by the time I had figured that out I'd reduced the layout to as simple as possible implementation to test - I'd removed the gravity from the "drawer". Without a gravity, you get the above completely unrelated error messages.

I can confirm I got the code to work using the following setup:

mMenuPanel.isDrawerOpen(findViewById(R.id.drawer));

and with the layout: