December 1st, Inflight Candidate (dotnet#32841)

Author: PureWeen

src/Controls/src/Core/Compatibility/Handlers/Shell/Android/ShellFragmentContainer.cs

@@ -37,14 +37,5 @@ public override void OnDestroyView()
 			((IShellContentController)ShellContentTab).RecyclePage(_page);
 			_page = null;
 		}
-
-		public override void OnDestroy()
-		{
-			_mauiContext
-				.GetDispatcher()
-				.Dispatch(Dispose);
-
-			base.OnDestroy();
-		}
 	}
 }

src/Controls/src/Core/Compatibility/Handlers/Shell/iOS/ShellFlyoutRenderer.cs

@@ -242,6 +242,19 @@ public override void ViewDidLoad()
 			UpdateFlyoutAccessibility();
 		}
 
+		public override void ViewWillTransitionToSize(CGSize toSize, IUIViewControllerTransitionCoordinator coordinator)
+		{
+			base.ViewWillTransitionToSize(toSize, coordinator);
+
+			coordinator.AnimateAlongsideTransition((IUIViewControllerTransitionCoordinatorContext obj) =>
+			{
+				if (IsOpen && TapoffView != null)
+				{
+					TapoffView.Frame = View.Bounds;
+				}
+			}, null);
+		}
+
 		protected override void Dispose(bool disposing)
 		{
 			base.Dispose(disposing);

src/Controls/src/Core/Compatibility/Handlers/Shell/iOS/ShellSectionRenderer.cs

@@ -805,6 +805,11 @@ public override void WillShowViewController(UINavigationController navigationCon
 						navBarVisible = _self._renderer.ShowNavBar;
 					else
 						navBarVisible = Shell.GetNavBarIsVisible(element);
+
+					// Update navigation bar visibility during the transition
+					// This ensures the correct nav bar state is applied as part of the navigation animation
+					bool animateVisibilityChange = animated && Shell.GetNavBarVisibilityAnimationEnabled(element);
+					navigationController.SetNavigationBarHidden(!navBarVisible, animateVisibilityChange);
 				}
 
 				var coordinator = viewController.GetTransitionCoordinator();

src/Controls/src/Core/Handlers/Items2/ItemsViewHandler2.iOS.cs

@@ -108,6 +108,12 @@ public static void MapEmptyViewTemplate(ItemsViewHandler2<TItemsView> handler, I
 		public static void MapFlowDirection(ItemsViewHandler2<TItemsView> handler, ItemsView itemsView)
 		{
 			handler.Controller?.UpdateFlowDirection();
+
+			// UIKit does not automatically mirror or reflow UICollectionView layouts when the flow direction
+			// (semanticContentAttribute) changes at runtime. To ensure correct RTL/LTR behavior, we explicitly
+			// notify the controller to rebuild or reassign its layout. Without this, UICollectionViewCompositionalLayout
+			// and other layouts will keep their previous geometry and ignore the new direction.
+			handler.UpdateLayout();
 		}
 
 		public static void MapIsVisible(ItemsViewHandler2<TItemsView> handler, ItemsView itemsView)

src/Controls/src/Core/Handlers/Items2/iOS/ItemsViewController2.cs

@@ -312,6 +312,8 @@ public virtual void UpdateFlowDirection()
 						}
 					}
 				}
+	
+				CollectionView.UpdateFlowDirection(ItemsView);
 			}
 
 			if (_emptyViewDisplayed)

src/Controls/src/Core/Platform/AlertManager/AlertManager.Standard.cs

@@ -7,7 +7,7 @@ internal partial class AlertManager
 	{
 		private partial IAlertManagerSubscription CreateSubscription(IMauiContext mauiContext)
 		{
-			throw new NotImplementedException();
+			return new AlertRequestHelper();
 		}
 
 		internal partial class AlertRequestHelper

src/Controls/src/Core/PublicAPI/net-ios/PublicAPI.Unshipped.txt

@@ -1 +1,2 @@
 #nullable enable
+~override Microsoft.Maui.Controls.Platform.Compatibility.ShellFlyoutRenderer.ViewWillTransitionToSize(CoreGraphics.CGSize toSize, UIKit.IUIViewControllerTransitionCoordinator coordinator) -> void

src/Controls/src/Core/PublicAPI/net-maccatalyst/PublicAPI.Unshipped.txt

@@ -1 +1,2 @@
 #nullable enable
+~override Microsoft.Maui.Controls.Platform.Compatibility.ShellFlyoutRenderer.ViewWillTransitionToSize(CoreGraphics.CGSize toSize, UIKit.IUIViewControllerTransitionCoordinator coordinator) -> void

src/Controls/src/Core/Shell/ShellSection.cs

@@ -992,12 +992,22 @@ protected virtual void OnRemovePage(Page page)
 		}
 
 		internal bool IsVisibleSection => Parent?.Parent is Shell shell && shell.CurrentItem?.CurrentItem == this;
+
 		void PresentedPageDisappearing()
 		{
 			if (this is IShellSectionController sectionController)
 			{
 				CurrentItem?.SendDisappearing();
-				sectionController.PresentedPage?.SendDisappearing();
+				var presentedPage = sectionController.PresentedPage;
+				if (presentedPage is not null)
+				{
+					// Don't send disappearing to a modal page if we're switching ShellItems
+					// The modal belongs to the new ShellItem, not the old one being disappeared
+					if (IsVisibleSection)
+					{
+						presentedPage.SendDisappearing();
+					}
+				}
 			}
 		}
 

src/Controls/src/Core/TimePicker/TimePicker.cs

@@ -222,7 +222,7 @@ void ITextElement.OnTextTransformChanged(TextTransform oldValue, TextTransform n
 		static void TimePropertyChanged(BindableObject bindable, object oldValue, object newValue)
 		{
 			if (bindable is TimePicker timePicker)
-				timePicker.TimeSelected?.Invoke(timePicker, new TimeChangedEventArgs((TimeSpan)oldValue, (TimeSpan)newValue));
+				timePicker.TimeSelected?.Invoke(timePicker, new TimeChangedEventArgs((TimeSpan?)oldValue, (TimeSpan?)newValue));
 		}
 
 		private protected override string GetDebuggerDisplay()