How to add submenu items to NavigationView programmatically instead of menu xml

Question

I\'m trying to add submenu items to NavigationView programmatically . I\'m able to add items into menu but not into submenu

Answer 1

Somebody figured out a way to do it via reflection and accessing a private field. It's not pretty, but it'll work, for the moment. https://stackoverflow.com/a/30604299/4232051