First round of feedback

Author: jfversluis

Xamarin.Forms.Core/RadioButton.cs

@@ -6,7 +6,7 @@
 namespace Xamarin.Forms
 {
 	[RenderWith(typeof(_RadioButtonRenderer))]
-	public partial class RadioButton : Button, IElementConfiguration<RadioButton>
+	public class RadioButton : Button, IElementConfiguration<RadioButton>
 	{
 		readonly Lazy<PlatformConfigurationRegistry<RadioButton>> _platformConfigurationRegistry;
 
@@ -15,7 +15,7 @@ public partial class RadioButton : Button, IElementConfiguration<RadioButton>
 		public const string IsCheckedVisualState = "IsChecked";
 
 		public static readonly BindableProperty IsCheckedProperty = BindableProperty.Create(
-			nameof(IsChecked), typeof(bool), typeof(RadioButton), false, propertyChanged: (b, o, n) => ((RadioButton)b).OnIsCheckedPropertyChanged((bool)n));
+			nameof(IsChecked), typeof(bool), typeof(RadioButton), false, propertyChanged: (b, o, n) => ((RadioButton)b).OnIsCheckedPropertyChanged((bool)n), defaultBindingMode: BindingMode.TwoWay);
 
 		public static readonly BindableProperty GroupNameProperty = BindableProperty.Create(
 			nameof(GroupName), typeof(string), typeof(RadioButton), null, propertyChanged: (b, o, n) => ((RadioButton)b).OnGroupNamePropertyChanged((string)o, (string)n));

Xamarin.Forms.Platform.Android/FastRenderers/ButtonRenderer.cs

@@ -12,7 +12,7 @@
 using AView = Android.Views.View;
 using AButton = Android.Widget.Button;
 
-	namespace Xamarin.Forms.Platform.Android.FastRenderers
+namespace Xamarin.Forms.Platform.Android.FastRenderers
 {
 	public class ButtonRenderer : AppCompatButton,
 		IBorderVisualElementRenderer, IButtonLayoutRenderer, IVisualElementRenderer, IViewRenderer, ITabStop,

Xamarin.Forms.Platform.UAP/FormsRadioButton.cs

@@ -70,9 +70,8 @@ void UpdateBackgroundColor()
 
 		void UpdateBorderRadius()
 		{
-
 			if (_contentPresenter != null)
 				_contentPresenter.CornerRadius = new Windows.UI.Xaml.CornerRadius(BorderRadius);
 		}
 	}
-}
+}

Xamarin.Forms.Platform.iOS/Renderers/RadioButonCALayer.cs renamed to Xamarin.Forms.Platform.iOS/Renderers/RadioButtonCALayer.cs

@@ -4,7 +4,7 @@
 
 namespace Xamarin.Forms.Platform.iOS
 {
-	public class RadioButonCALayer : CALayer
+	public class RadioButtonCALayer : CALayer
 	{
 		const float _checkLineWidth = 2f;
 		const float _containerLineWidth = 2f;
@@ -22,7 +22,7 @@ public class RadioButonCALayer : CALayer
 		readonly CAShapeLayer _checkLayer = new CAShapeLayer();
 		readonly CAShapeLayer _containerLayer = new CAShapeLayer();
 
-		public RadioButonCALayer(RadioButton radioButton, UIButton nativeControl)
+		public RadioButtonCALayer(RadioButton radioButton, UIButton nativeControl)
 		{
 			NeedsDisplayOnBoundsChange = true;
 			_radioButton = radioButton;

Xamarin.Forms.Platform.iOS/Renderers/RadioButtonRenderer.cs

@@ -136,7 +136,7 @@ protected override void SetAccessibilityLabel()
 
 		protected virtual CALayer CreateRadioBoxLayer()
 		{
-			return new RadioButonCALayer(Element, Control);
+			return new RadioButtonCALayer(Element, Control);
 		}
 
 		void SetRadioBoxLayer(CALayer layer)

Xamarin.Forms.Platform.iOS/Xamarin.Forms.Platform.iOS.csproj

@@ -177,7 +177,7 @@
     <Compile Include="Renderers\IShellSectionRootHeader.cs" />
     <Compile Include="Renderers\PageContainer.cs" />
     <Compile Include="Renderers\CheckBoxRendererBase.cs" />
-    <Compile Include="Renderers\RadioButonCALayer.cs" />
+    <Compile Include="Renderers\RadioButtonCALayer.cs" />
     <Compile Include="Renderers\RadioButtonRenderer.cs" />
     <Compile Include="Renderers\WkWebViewRenderer.cs" />
     <Compile Include="Renderers\ElementSelectedEventArgs.cs" />