MaterialToolbar GetPlatformToolbar(IMauiContext mauiContext) { var navManager = mauiContext.GetNavigationRootManager(); ViewGroup appbarLayout = navManager?.RootView?.FindViewById <ViewGroup>(Resource.Id.navigationlayout_appbar); var toolBar = appbarLayout?.GetFirstChildOfType <MaterialToolbar>(); toolBar = toolBar ?? navManager.ToolbarElement?.Toolbar?.Handler?.PlatformView as MaterialToolbar; return(toolBar); }