Create ImageButton with correct Button Type (#10394)

Xamarin.Forms.Platform.iOS.UnitTests/ImageButtonTests.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Foundation;
+using NUnit.Framework;
+using UIKit;
+
+namespace Xamarin.Forms.Platform.iOS.UnitTests
+{
+	[TestFixture]
+	public class ImageButtonTests : PlatformTestFixture
+	{
+		[Test, Category("ImageButton")]
+		public async Task CreatedWithCorrectButtonType()
+		{
+			var imageButton = new ImageButton();
+			UIButtonType buttonType = await GetControlProperty(imageButton, uiButton => uiButton.ButtonType);
+			Assert.AreNotEqual(UIButtonType.Custom, buttonType);
+		}
+	}
+}

Xamarin.Forms.Platform.iOS.UnitTests/PlatformTestFixture.cs

@@ -140,6 +140,23 @@ namespace Xamarin.Forms.Platform.iOS.UnitTests
 			});
 		}
 
+		protected UIButton GetNativeControl(ImageButton button)
+		{
+			var renderer = GetRenderer(button);
+			var viewRenderer = renderer.NativeView as ImageButtonRenderer;
+			return viewRenderer.Control;
+		}
+
+		protected async Task<TProperty> GetControlProperty<TProperty>(ImageButton button, Func<UIButton, TProperty> getProperty)
+		{
+			return await Device.InvokeOnMainThreadAsync(() => {
+				using (var uiButton = GetNativeControl(button))
+				{
+					return getProperty(uiButton);
+				}
+			});
+		}
+
 		protected async Task<TProperty> GetRendererProperty<TProperty>(View view,
 			Func<IVisualElementRenderer, TProperty> getProperty, bool requiresLayout = false)
 		{

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

@@ -58,6 +58,7 @@
     <Compile Include="CornerRadiusTests.cs" />
     <Compile Include="EmbeddingTests.cs" />
     <Compile Include="FlowDirectionTests.cs" />
+    <Compile Include="ImageButtonTests.cs" />
     <Compile Include="IsEnabledTests.cs" />
     <Compile Include="IsVisibleTests.cs" />
     <Compile Include="NavigationTests.cs" />

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

@@ -115,7 +115,7 @@ namespace Xamarin.Forms.Platform.iOS
 
 		protected override UIButton CreateNativeControl()
 		{			
-			return new UIButton();
+			return new UIButton(UIButtonType.System);
 		}
 
 		protected override void SetAccessibilityLabel()