1 files changed, 68 insertions, 0 deletions
diff --git a/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue1758.cs b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue1758.cs
new file mode 100644
index 00000000..0afd2ebb
--- /dev/null
+++ b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue1758.cs
@@ -0,0 +1,68 @@
+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, 1758, "LayoutTo needs to be smarted about using layout specific API calls", PlatformAffected.Android | PlatformAffected.iOS | PlatformAffected.WinPhone)]
+	public class Issue1758 : ContentPage
+	{
+		ListView _list;
+		Button _button;
+ 
+		public Issue1758()
+		{
+			_list = new ListView { ItemsSource = new[] { "hello", "world", "from", "xamarin", "forms" } };
+ 
+			_button = new Button { Text = "Button" };
+ 
+			// The same behavior happens for both Absolute and Relative layout.
+			var layout = true ? Relative() : Absolute();
+ 
+			Animate();
+ 
+			Content = layout;
+		}
+
+		Layout Relative()
+		{
+			var layout = new RelativeLayout();
+                   
+			layout.Children.Add(_list,
+				Forms.Constraint.RelativeToParent(p => p.X),
+				Forms.Constraint.RelativeToParent(p => p.Y),
+				Forms.Constraint.RelativeToParent(p => p.Width),
+				Forms.Constraint.RelativeToParent(p => p.Height)
+			);
+        
+			layout.Children.Add(_button, 
+				Forms.Constraint.Constant(0),
+				Forms.Constraint.Constant(300));
+ 
+			return layout;
+		}
+
+		Layout Absolute()
+		{
+			var layout = new AbsoluteLayout { Children = { _list, _button } };
+ 
+			AbsoluteLayout.SetLayoutBounds(_list, new Rectangle(0, 0, AbsoluteLayout.AutoSize, AbsoluteLayout.AutoSize));
+			AbsoluteLayout.SetLayoutBounds(_button, new Rectangle(0, 300, AbsoluteLayout.AutoSize, AbsoluteLayout.AutoSize));
+ 
+			return layout;
+		}
+
+		async void Animate()
+		{
+			// Comment this delay out to see the bug
+			// await Task.Delay(500);
+ 
+			_button.LayoutTo(new Rectangle(100, 100, 100, 100), 1000);
+		}
+	}
+}
+\ No newline at end of file