1 files changed, 81 insertions, 0 deletions
diff --git a/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue1769.cs b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue1769.cs
new file mode 100644
index 00000000..3eabf8e2
--- /dev/null
+++ b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue1769.cs
@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Xamarin.Forms.CustomAttributes;
+
+namespace Xamarin.Forms.Controls
+{
+	[Preserve (AllMembers=true)]
+	[Issue (IssueTracker.Github, 1769, "PushAsync with Switch produces NRE", PlatformAffected.Android)]
+	public class Issue1769
+		: ContentPage
+	{
+		public Issue1769()
+		{
+			var button =  new Button()
+				{
+					Text = "Go To Page 2"
+				};
+
+			var switchDemo = new SwitchDemoPage();
+
+			button.Clicked += async (sender, args) => {
+				await ((Button)sender).Navigation.PushAsync(switchDemo);
+			};
+
+			Content = button;
+		}
+
+		class SwitchDemoPage : ContentPage
+		{
+			Label _label;
+
+			public SwitchDemoPage()
+			{
+				Label header = new Label
+				{
+					Text = "Switch",
+					Font = Font.BoldSystemFontOfSize(50),
+					HorizontalOptions = LayoutOptions.Center
+				};
+
+				Switch switcher = new Switch
+				{
+					HorizontalOptions = LayoutOptions.Center,
+					VerticalOptions = LayoutOptions.CenterAndExpand
+				};
+				switcher.Toggled += switcher_Toggled;
+
+				_label = new Label
+				{
+					Text = "Switch is now False",
+					Font = Font.SystemFontOfSize(NamedSize.Large),
+					HorizontalOptions = LayoutOptions.Center,
+					VerticalOptions = LayoutOptions.CenterAndExpand
+				};
+
+				// Accomodate iPhone status bar.
+				Padding = new Thickness(10, Device.OnPlatform(20, 0, 0), 10, 5);
+
+				// Build the page.
+				Content = new StackLayout
+				{
+					Children =
+					{
+						header,
+						switcher,
+						_label
+					}
+				};
+			}
+
+			void switcher_Toggled(object sender, ToggledEventArgs e)
+			{
+				_label.Text = string.Format("Switch is now {0}", e.Value);
+			}
+		}
+	}
+}