[iOS] Fixed the Reset Color issue in CheckBox

Ahamed-Ali · Ahamed-Ali · commit 43bc4507c4f6 · 2026-02-27T18:17:56.000+05:30
diff --git a/src/Core/src/Platform/iOS/CheckBoxExtensions.cs b/src/Core/src/Platform/iOS/CheckBoxExtensions.cs
@@ -16,6 +16,11 @@ public static void UpdateForeground(this MauiCheckBox platformCheckBox, ICheckBo
 			{
 				platformCheckBox.CheckBoxTintColor = solid.Color;
 			}
+			else if (check.Foreground is null)
+			{
+				// Color was cleared; reset to null so the view inherits the default tint color
+				platformCheckBox.CheckBoxTintColor = null;
+			}
 		}
 	}
 }
diff --git a/src/Core/tests/DeviceTests/Handlers/CheckBox/CheckBoxHandlerTests.iOS.cs b/src/Core/tests/DeviceTests/Handlers/CheckBox/CheckBoxHandlerTests.iOS.cs
@@ -64,5 +64,31 @@ async Task ValidateColor(ICheckBox checkBoxStub, Color color, Action action = nu
 			});
 			Assert.Equal(expected, color);
 		}
+
+		[Fact(DisplayName = "Foreground Resets to Default When Set to Null")]
+		public async Task ForegroundResetsToDefaultWhenSetToNull()
+		{
+			var checkBoxStub = new CheckBoxStub
+			{
+				Foreground = new SolidPaint(Colors.Red),
+				IsChecked = true
+			};
+
+			await InvokeOnMainThreadAsync(() =>
+			{
+				var handler = CreateHandler(checkBoxStub);
+				var native = GetNativeCheckBox(handler);
+
+				// Confirm that the red tint was applied initially
+				Assert.NotNull(native.CheckBoxTintColor);
+
+				// Simulate a dynamic Color = null (Foreground reset to default)
+				checkBoxStub.Foreground = null;
+				handler.UpdateValue(nameof(ICheckBox.Foreground));
+
+				// After reset, the native tint must be null so iOS reverts to its inherited default
+				Assert.Null(native.CheckBoxTintColor);
+			});
+		}
 	}
 }

Original file line number	Diff line number	Diff line change
`@@ -16,6 +16,11 @@ public static void UpdateForeground(this MauiCheckBox platformCheckBox, ICheckBo`
`16`	`16`	`{`
`17`	`17`	`platformCheckBox.CheckBoxTintColor = solid.Color;`
`18`	`18`	`}`
	`19`	`+ else if (check.Foreground is null)`
	`20`	`+ {`
	`21`	`+ // Color was cleared; reset to null so the view inherits the default tint color`
	`22`	`+ platformCheckBox.CheckBoxTintColor = null;`
	`23`	`+ }`
`19`	`24`	`}`
`20`	`25`	`}`
`21`	`26`	`}`