NavigationExtensions.kt

/**
 * Manages the various graphs needed for a [BottomNavigationView].
 * This sample is a workaround until the Navigation Component supports multiple back stacks.
 * Taken from:
 * https://github.com/android/architecture-components-samples/blob/master/NavigationAdvancedSample
 * /app/src/main/java/com/example/android/navigationadvancedsample/NavigationExtensions.kt
 */
fun BottomNavigationView.setupWithNavController(
    navGraphIds: List<Int>,
    fragmentManager: FragmentManager,
    containerId: Int,
    intent: Intent
): LiveData<NavController> {
    ...
}