NavigationView get/find header layout

Question

In my NavigationView I have a header layout with id \'viewId\' with active buttons. To setup those buttons, I do the following in activity\'s onPostCreate:

Answer 1

In Kotlin @Francois Dermu code be like

val navigationView : NavigationView = findViewById(R.id.your_nav_view_id);
val header = navigationView.getHeaderView(0)
val textView = header.findViewById(R.id.textView)