The Activity class has a setContentView() method. The PopupWindow Class has a getContentView() method but nothing else d
Activity
setContentView()
PopupWindow
getContentView()
I'm looking for this as well, but I just thought that it might be easier to add an id to the outermost ViewGroup.
I'll keep looking for a few more minutes, though. I'm into it so that I can use findViewWithTag from the outermost layout.