[iOS] Fixed OnNavigatedTo not triggered for tabs in More section of TabbedPage

src/Controls/src/Core/Compatibility/Handlers/TabbedPage/iOS/TabbedRenderer.cs

@@ -43,6 +43,10 @@ public TabbedRenderer()
 		{
 			this.DisableiOS18ToolbarTabs();
 			_viewHandlerWrapper = new ViewHandlerDelegator<TabbedPage>(Mapper, CommandMapper, this);
+			if (MoreNavigationController is not null)
+			{
+				MoreNavigationController.Delegate = new MoreTabDelegate(this);
+			}
 		}
 
 		public override UIViewController SelectedViewController
@@ -60,6 +64,28 @@ public override UIViewController SelectedViewController
 			}
 		}
 
+		internal void UpdateCurrentPageForMoreTab()
+		{
+			bool isInMoreTab = false;
+			// Check if the selected tab is in the More tab
+			if (MoreNavigationController is not null && MoreNavigationController.ViewControllers is not null)
+			{
+				foreach (var viewController in MoreNavigationController.ViewControllers)
+				{
+					if (viewController == SelectedViewController)
+					{
+						isInMoreTab = true;
+						break;
+					}
+				}
+			}
+
+			if (isInMoreTab)
+			{
+				UpdateCurrentPage();
+			}
+		}
+
 		protected TabbedPage Tabbed
 		{
 			get { return (TabbedPage)Element; }
@@ -190,7 +216,7 @@ void OnPagePropertyChanged(object sender, PropertyChangedEventArgs e)
 				UpdateTabBarItem(page);
 			}
 		}
-		
+
 		public override void TraitCollectionDidChange(UITraitCollection previousTraitCollection)
 		{
 			if (previousTraitCollection.VerticalSizeClass == TraitCollection.VerticalSizeClass)
@@ -522,6 +548,11 @@ void UpdateChildrenOrderIndex(UIViewController[] viewControllers)
 
 		void UpdateCurrentPage()
 		{
+			if (SelectedViewController?.Title?.Equals("More", StringComparison.Ordinal) == true)
+			{
+				Tabbed.CurrentPage = null;
+				return;
+			}
 			if (Tabbed is TabbedPage tabbed)
 			{
 				var count = tabbed.InternalChildren.Count;
@@ -669,4 +700,24 @@ void IElementHandler.DisconnectHandler()
 		}
 		#endregion
 	}
+
+	class MoreTabDelegate : UINavigationControllerDelegate
+	{
+		readonly WeakReference<TabbedRenderer> _renderer;
+
+		public MoreTabDelegate(TabbedRenderer renderer)
+		{
+			_renderer = new WeakReference<TabbedRenderer>(renderer);
+		}
+
+		public override void DidShowViewController(UINavigationController navigationController, UIViewController viewController, bool animated)
+		{
+			if (_renderer is not null
+			&& _renderer.TryGetTarget(out var renderer)
+			&& !renderer.SelectedViewController?.Title?.Equals("More", StringComparison.Ordinal) == true)
+			{
+				renderer.UpdateCurrentPageForMoreTab();
+			}
+		}
+	}
 }

src/Controls/tests/TestCases.HostApp/Issues/Issue16175.cs

@@ -0,0 +1,39 @@
+namespace Maui.Controls.Sample.Issues;
+
+[Issue(IssueTracker.Github, 16175, "OnNavigatedTo event triggered in More tabs", PlatformAffected.iOS)]
+
+public class Issue16175 : TabbedPage
+{
+	public Issue16175()
+	{
+		for (var i = 0; i < 10; i++)
+		{
+			var page = new Issue16175Page { Title = $"Tab{i + 1}" };
+			Children.Add(page);
+		}
+	}
+}
+
+public class Issue16175Page : ContentPage
+{
+	Label _navigatedToLabel;
+
+	public Issue16175Page()
+	{
+		_navigatedToLabel = new Label { Text = "NavigatedTo: Not triggered", AutomationId = "navigatedToLabel" };
+
+		Content = new VerticalStackLayout
+		{
+			Children = { _navigatedToLabel }
+		};
+	}
+
+	protected override void OnNavigatedTo(NavigatedToEventArgs args)
+	{
+		if (Title is not null && Title == "Tab8" && _navigatedToLabel is not null)
+		{
+			_navigatedToLabel.Text = "NavigatedTo: Triggered";
+		}
+		base.OnNavigatedTo(args);
+	}
+}

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue16175.cs

@@ -0,0 +1,25 @@
+#if TEST_FAILS_ON_WINDOWS && TEST_FAILS_ON_ANDROID // More tab is available in Mac and iOS
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues;
+
+public class Issue16175 : _IssuesUITest
+{
+	public Issue16175(TestDevice device) : base(device)
+	{
+	}
+	public override string Issue => "OnNavigatedTo event triggered in More tabs";
+
+	[Test]
+	[Category(UITestCategories.TabbedPage)]
+	public void TabEventsTriggeredInMoreTab()
+	{
+		App.TapTab("More");
+		App.TapTab("Tab8");
+		var navigatedToLabel = App.WaitForElement("navigatedToLabel");
+		Assert.That(navigatedToLabel.GetText(), Is.EqualTo("NavigatedTo: Triggered"));
+	}
+}
+#endif