Fix TalkBack not correctly narrating RadioButtons with Content

src/Controls/src/Core/RadioButton/RadioButton.cs

@@ -740,7 +740,7 @@ private protected override Semantics UpdateSemantics()
 
 			if (ControlTemplate != null)
 			{
-				string contentAsString = ContentAsString();
+				string contentAsString = GetSemanticDescriptionFromContent();
 
 				if (!string.IsNullOrWhiteSpace(contentAsString) && string.IsNullOrWhiteSpace(semantics?.Description))
 				{
@@ -752,6 +752,71 @@ private protected override Semantics UpdateSemantics()
 			return semantics;
 		}
 
+		string GetSemanticDescriptionFromContent()
+		{
+			if (Content is string contentText)
+			{
+				return contentText;
+			}
+
+			if (Content is IView contentView)
+			{
+				// Don't fall back to ContentAsString() for view-based content — it calls ToString()
+				// on the view and returns a type name rather than meaningful text.
+				TryGetSemanticDescription(contentView, out var semanticDescription);
+				return semanticDescription;
+			}
+
+			if (Value is string valueText && !string.IsNullOrWhiteSpace(valueText))
+			{
+				return valueText;
+			}
+
+			return ContentAsString();
+		}
+
+		static bool TryGetSemanticDescription(IView view, out string semanticDescription)
+		{
+			semanticDescription = null;
+
+			if (view is null)
+			{
+				return false;
+			}
+
+			if (!string.IsNullOrWhiteSpace(view.Semantics?.Description))
+			{
+				semanticDescription = view.Semantics.Description;
+				return true;
+			}
+
+			if (view is IText text && !string.IsNullOrWhiteSpace(text.Text))
+			{
+				semanticDescription = text.Text;
+				return true;
+			}
+
+			if (view is IContentView contentView && contentView.PresentedContent is IView presentedContent && TryGetSemanticDescription(presentedContent, out semanticDescription))
+			{
+				return true;
+			}
+
+			if (view is Microsoft.Maui.ILayout layout)
+			{
+				for (int index = 0; index < layout.Count; index++)
+				{
+					var child = layout[index];
+
+					if (TryGetSemanticDescription(child, out semanticDescription))
+					{
+						return true;
+					}
+				}
+			}
+
+			return false;
+		}
+
 		class CornerRadiusToShape : IValueConverter
 		{
 			public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)

src/Controls/tests/DeviceTests/Elements/RadioButton/RadioButtonTests.cs

@@ -101,5 +101,89 @@ await InvokeOnMainThreadAsync(() =>
 
 			await AssertionExtensions.WaitForGC(radioButtonHandlerRef, layoutHandlerRef, layoutPlatformRef, radioButtonPlatformRef);
 		}
+
+		[Fact(DisplayName = "Issue 34322 - Templated RadioButton uses content label for semantics")]
+		public async Task Issue34322_TemplatedRadioButtonUsesContentLabelForSemantics()
+		{
+			EnsureTemplatedRadioButtonHandlersCreated();
+
+			var radioButton = CreateIssue34322RadioButton("Dog", isChecked: false, useSemanticDescription: false);
+
+			await CreateHandlerAndAddToWindow<RadioButtonHandler>(radioButton, _ =>
+			{
+				Assert.Equal("Dog", (radioButton as IView).Semantics.Description);
+				return Task.CompletedTask;
+			});
+		}
+
+		[Fact(DisplayName = "Issue 34322 - Explicit SemanticDescription is not overwritten by content-derived semantics")]
+		public async Task Issue34322_ExplicitSemanticDescriptionNotOverwrittenByContent()
+		{
+			EnsureTemplatedRadioButtonHandlersCreated();
+
+			var radioButton = new RadioButton
+			{
+				ControlTemplate = RadioButton.DefaultTemplate,
+				Content = new VerticalStackLayout
+				{
+					Children =
+					{
+						new Label
+						{
+							Text = "Dog"
+						}
+					}
+				},
+				IsChecked = false,
+			};
+			SemanticProperties.SetDescription(radioButton, "Custom Description");
+
+			await CreateHandlerAndAddToWindow<RadioButtonHandler>(radioButton, _ =>
+			{
+				Assert.Equal("Custom Description", (radioButton as IView).Semantics.Description);
+				return Task.CompletedTask;
+			});
+		}
+
+		void EnsureTemplatedRadioButtonHandlersCreated()
+		{
+			EnsureHandlerCreated(builder =>
+			{
+				builder.ConfigureMauiHandlers(handlers =>
+				{
+					handlers.AddHandler<Border, BorderHandler>();
+					handlers.AddHandler<Shape, ShapeViewHandler>();
+					handlers.AddHandler<ContentPresenter, ContentViewHandler>();
+					handlers.AddHandler<RadioButton, RadioButtonHandler>();
+					handlers.AddHandler<Label, LabelHandler>();
+					handlers.AddHandler<Grid, LayoutHandler>();
+					handlers.AddHandler<VerticalStackLayout, LayoutHandler>();
+				});
+			});
+		}
+
+		static RadioButton CreateIssue34322RadioButton(string label, bool isChecked, bool useSemanticDescription)
+		{
+			var radioButton = new RadioButton
+			{
+				ControlTemplate = RadioButton.DefaultTemplate,
+				Content = new VerticalStackLayout
+				{
+					Children =
+					{
+						new Label
+						{
+							Text = label
+						}
+					}
+				},
+				IsChecked = isChecked,
+			};
+
+			if (useSemanticDescription)
+				SemanticProperties.SetDescription(radioButton, label);
+
+			return radioButton;
+		}
 	}
-}
+}

src/Core/src/Platform/Android/SemanticExtensions.cs

@@ -8,6 +8,8 @@ namespace Microsoft.Maui.Platform
 {
 	public static partial class SemanticExtensions
 	{
+		// Cached once to avoid repeated JNI/type lookups on every accessibility traversal.
+		static readonly string s_radioButtonClassName = Java.Lang.Class.FromType(typeof(global::Android.Widget.RadioButton)).Name;
 		public static void UpdateSemanticNodeInfo(this View platformView, IView virtualView, AccessibilityNodeInfoCompat? info)
 		{
 			if (info == null || virtualView == null)
@@ -90,6 +92,13 @@ public static void UpdateSemanticNodeInfo(this View platformView, IView virtualV
 			if (!string.IsNullOrWhiteSpace(newText))
 				info.Text = newText;
 
+			if (virtualView is IRadioButton radioButton)
+			{
+				info.ClassName = s_radioButtonClassName;
+				info.Checkable = true;
+				info.Checked = radioButton.IsChecked;
+			}
+
 			if (!string.IsNullOrWhiteSpace(virtualView.AutomationId) &&
 				platformView?.Context != null)
 			{