Get root view from current activity

Question

I know how to get the root view with View.getRootView(). I am also able to get the view from a button\'s onClick event where the argument is a View. But how can

Answer 1

Kotlin Extension Solution

Use this to simplify access in an Activity. Then you can directly refer to rootView from the Activity, or activity.rootView outside of it:

val Activity.rootView get() = window.decorView.rootView

If you'd like to add the same for Fragments for consistency, add:

val Fragment.rootView get() = view?.rootView