Actions: back stack Each action can define its own behavior android:id="@+id/home_to_details" app:destination="@id/details” app:popUpTo="@id/splash” app:popUpToInclusive="false" />
What’s missing Some integration with common elements like bottom navigation Shared element transitions Nested navigation graphs Result data (e.g. startActivityForResult())
Single Activity Set up navigation graph Each Fragment is a destination Every transaction is an action Define arguments Replace transactions with NavController.navigate()