public override void OnFragmentResumed(AndroidX.Fragment.App.FragmentManager fm, AndroidX.Fragment.App.Fragment f)
{
if (f is NavigationViewFragment pf)
{
_stackNavigationManager.OnNavigationViewFragmentResumed(fm, pf);
}
AToolbar?nativeToolbar = null;
IToolbar?toolbar = null;
if (_stackNavigationManager.NavigationView?.Toolbar is IToolbar tb &&
tb?.Handler?.NativeView is AToolbar ntb)
{
nativeToolbar = ntb;
toolbar = tb;
}
// Wire up the toolbar to the currently made visible Fragment
var controller = NavHostFragment.FindNavController(f);
var appbarConfigBuilder =
new AppBarConfiguration
.Builder(_stackNavigationManager.NavGraph);
if (nativeToolbar != null && toolbar != null && toolbar.Handler?.MauiContext != null)
{
if (toolbar.Handler is ToolbarHandler th)
{
th.SetupWithNavController(controller, _stackNavigationManager);
}
}
}
public override void OnFragmentResumed(AndroidX.Fragment.App.FragmentManager fm, AndroidX.Fragment.App.Fragment f)
{
if (f is NavigationViewFragment pf)
{
_stackNavigationManager.OnNavigationViewFragmentResumed(fm, pf);
}
AToolbar?nativeToolbar = null;
IToolbar?toolbar = null;
if (_stackNavigationManager.NavigationView?.Toolbar is IToolbar tb &&
tb?.Handler?.NativeView is AToolbar ntb)
{
nativeToolbar = ntb;
toolbar = tb;
}
// Wire up the toolbar to the currently made visible Fragment
var controller = NavHostFragment.FindNavController(f);
var appbarConfigBuilder =
new AppBarConfiguration
.Builder(_stackNavigationManager.NavGraph);
if (nativeToolbar != null && toolbar != null)
{
// TODO: MAUI Hackey way of wiring up Drawer Layout
// But currently you can only have a nav bar with a Navigation View
if (nativeToolbar.Parent is DrawerLayout dl1)
{
appbarConfigBuilder = appbarConfigBuilder.SetOpenableLayout(dl1);
}
else if (nativeToolbar.Parent?.Parent is DrawerLayout dl2)
{
appbarConfigBuilder = appbarConfigBuilder.SetOpenableLayout(dl2);
}
else if (nativeToolbar.Parent?.Parent?.Parent is DrawerLayout dl3)
{
appbarConfigBuilder = appbarConfigBuilder.SetOpenableLayout(dl3);
}
var appbarConfig =
appbarConfigBuilder.Build();
NavigationUI
.SetupWithNavController(nativeToolbar, controller, appbarConfig);
// the call to SetupWithNavController resets the Navigation Icon
toolbar.Handler?.UpdateValue(nameof(IToolbar.BackButtonVisible));
if (toolbar.BackButtonVisible && toolbar.IsVisible)
{
// Wiring up to this will break the Drawer Toggle button if it's visible
nativeToolbar.SetNavigationOnClickListener(_stackNavigationManager.BackClick);
}
}
}
private void SetupNavigation()
{
var bottomNavigationView = FindViewById <BottomNavigationView>(Resource.Id.main_bottom_navigation_view);
NavHostFragment navHostFragment = (NavHostFragment)SupportFragmentManager
.FindFragmentById(Resource.Id.fragNavHost);
NavigationUI.SetupWithNavController(
bottomNavigationView,
navHostFragment.NavController);
}
public override void OnFragmentViewCreated(AndroidX.Fragment.App.FragmentManager fm, AndroidX.Fragment.App.Fragment f, AView v, Bundle savedInstanceState)
{
base.OnFragmentViewCreated(fm, f, v, savedInstanceState);
var controller = NavHostFragment.FindNavController(f);
var appbarConfig =
new AppBarConfiguration
.Builder(controller.Graph)
.Build();
// These have to get called/wired up every time a new fragment view is created
// I'm not clear why this can't just be done once
NavigationUI
.SetupWithNavController(_navigationManager.Toolbar, controller, appbarConfig);
_navigationManager.Toolbar.SetNavigationOnClickListener(_navigationManager.BackClick);
}
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);
}
public override void OnViewCreated(AView view, Bundle savedInstanceState)
{
base.OnViewCreated(view, savedInstanceState);
var controller = NavHostFragment.FindNavController(this);
var appbarConfig =
new AppBarConfiguration
.Builder(controller.Graph)
.Build();
NavigationUI
.SetupWithNavController(NavDestination.NavigationPageHandler.Toolbar, controller, appbarConfig);
HasOptionsMenu = true;
NavDestination.NavigationPageHandler.Toolbar.SetNavigationOnClickListener(BackClick);
UpdateToolbar();
NavDestination.NavigationPageHandler.Toolbar
.Title = NavDestination.Page.Title;
if (Context.GetActivity() is AppCompatActivity aca)
{
aca.SupportActionBar.Title = NavDestination.Page.Title;
// TODO MAUI put this elsewhere once we figure out how attached property handlers work
bool showNavBar = false;
if (NavDestination.Page is BindableObject bo)
{
showNavBar = NavigationPage.GetHasNavigationBar(bo);
}
var appBar = NavDestination.NavigationPageHandler.AppBar;
if (!showNavBar)
{
if (appBar.LayoutParameters is CoordinatorLayout.LayoutParams cl)
{
cl.Height = 0;
appBar.LayoutParameters = cl;
}
}
else
{
if (appBar.LayoutParameters is CoordinatorLayout.LayoutParams cl)
{
cl.Height = ActionBarHeight();
appBar.LayoutParameters = cl;
}
}
}
int ActionBarHeight()
{
int attr = Resource.Attribute.actionBarSize;
int actionBarHeight = (int)Context.GetThemeAttributePixels(Resource.Attribute.actionBarSize);
//if (actionBarHeight <= 0)
// return Device.Info.CurrentOrientation.IsPortrait() ? (int)Context.ToPixels(56) : (int)Context.ToPixels(48);
//if (Context.GetActivity().Window.Attributes.Flags.HasFlag(WindowManagerFlags.TranslucentStatus) || Context.GetActivity().Window.Attributes.Flags.HasFlag(WindowManagerFlags.TranslucentNavigation))
//{
// if (_toolbar.PaddingTop == 0)
// _toolbar.SetPadding(0, GetStatusBarHeight(), 0, 0);
// return actionBarHeight + GetStatusBarHeight();
//}
return(actionBarHeight);
}
}
