Dynamic ActionBar title from a Fragment using AndroidX Navigation

Question

I am using the new Navigation component from Android Jetpack.

The root Activity setup is quite simple:

override fun onCreate(savedInstanceState: Bund         


        

Answer 1

If you use toolbar on setSupportActionBar in Activity and you would like to change its title in fragment, then below code may gonna help you ;)

(requireActivity() as MainActivity).toolbar.title = "Title here"