protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.navigation_activity);
AndroidX.AppCompat.Widget.Toolbar toolbar = FindViewById <AndroidX.AppCompat.Widget.Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
NavHostFragment host = SupportFragmentManager.FindFragmentById(Resource.Id.my_nav_host_fragment) as NavHostFragment;
NavController navController = host.NavController;
int[] topLevelDestinationIds = new int[] { Resource.Id.home_dest };
appBarConfiguration = new AppBarConfiguration.Builder(topLevelDestinationIds).SetDrawerLayout(FindViewById <DrawerLayout>(Resource.Id.drawer_layout)).Build();
SetupActionBar(navController, appBarConfiguration);
SetupNavigationMenu(navController);
SetupBottomNavMenu(navController);
navController.AddOnDestinationChangedListener(this);
}