ListPopupWindow not obeying WRAP_CONTENT width spec

Question

I\'m trying to use ListPopupWindow to show a list of strings via an ArrayAdapter (eventually this will be a more complex custom adapter). Code is below. As shown in

Answer 1

My approach to this.

Create a Viewin your layout which functions as an anchor, with your dedicated width and position (Height 1 dp, width as you wish) (may be dynamic i.e. with ConstraintLayouts). Make it invisible (android:visibility=View.INIVISIBLE).

Reference to this view in your viewAnchor, (i.e with bindings):

listPopupWindow.anchorView = binding.myAnchor