void InitializeComponent() { SetAlignment(-1, -1); SetWeight(1, 1); SetLayoutCallback(OnLayout); _viewStack = new SimpleViewStack(Forms.NativeParent); if (Device.Idiom == TargetIdiom.Phone) { _viewStack.BackgroundColor = ElmSharp.Color.White; } _viewStack.Show(); PackEnd(_viewStack); _navBar = new ShellNavBar(); _navBar.Show(); PackEnd(_navBar); IShellSectionController controller = ShellSection; controller.NavigationRequested += OnNavigationRequested; controller.AddDisplayedPageObserver(this, UpdateDisplayedPage); ((IShellController)Shell.Current).AddAppearanceObserver(this, ShellSection); ((IShellController)Shell.Current).AddFlyoutBehaviorObserver(_navBar); _shellSectionRenderer = CreateShellSectionRenderer(ShellSection); _shellSectionRenderer.NativeView.Show(); _viewStack.Push(_shellSectionRenderer.NativeView); Device.BeginInvokeOnMainThread(() => { (_shellSectionRenderer.NativeView as Widget)?.SetFocus(true); }); }
public ShellSectionNavigation(IFlyoutController flyoutController, ShellSection section) : base(Forms.NativeParent) { _section = section; _section.PropertyChanged += OnSectionPropertyChanged; _rootPage = ((IShellContentController)_section.CurrentItem).GetOrCreateContent(); _navBar = new ShellNavBar(flyoutController, this); _navBar.Show(); var renderer = new ShellSectionRenderer(section); renderer.Control.Show(); _navigationStack.AddLast(renderer.Control); _pageToNative[_rootPage] = renderer.Control; _nativeToPage[renderer.Control] = _rootPage; IShellSectionController controller = _section as IShellSectionController; controller.NavigationRequested += OnNavigationRequested; controller.AddDisplayedPageObserver(this, UpdateDisplayedPage); PackEnd(_navBar); PackEnd(renderer.Control); LayoutUpdated += OnLayoutUpdated; ((IShellController)_section.Parent.Parent).AddAppearanceObserver(this, _section); }