1 files changed, 150 insertions, 0 deletions
diff --git a/Xamarin.Forms.Controls/ControlGalleryPages/ListViewSelectionColor.cs b/Xamarin.Forms.Controls/ControlGalleryPages/ListViewSelectionColor.cs
new file mode 100644
index 00000000..66a8ad86
--- /dev/null
+++ b/Xamarin.Forms.Controls/ControlGalleryPages/ListViewSelectionColor.cs
@@ -0,0 +1,150 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Xamarin.Forms.Controls
+{
+	internal sealed class ListViewSelectionColor : ContentPage
+	{
+		[Preserve (AllMembers = true)]
+		internal sealed class GroupHeaderTemplate : ViewCell
+		{
+			public GroupHeaderTemplate ()
+			{
+				var label = new Label { BackgroundColor = Color.Red };
+				label.SetBinding (Label.TextProperty, "Key");
+				View = label;
+			}
+		}
+
+		[Preserve (AllMembers = true)]
+		internal sealed class GroupItemTemplate : ViewCell
+		{
+			public GroupItemTemplate ()
+			{
+				var label = new Label { BackgroundColor = Color.Green };
+				label.SetBinding (Label.TextProperty, "Name");
+				View = label;
+			}
+		}
+
+		[Preserve (AllMembers = true)]
+		internal sealed class ItemTemplate : ViewCell
+		{
+			public ItemTemplate ()
+			{
+				var label = new Label { BackgroundColor = Color.Green };
+				label.SetBinding (Label.TextProperty, "Name");
+				View = label;
+			}
+		}
+
+		[Preserve (AllMembers = true)]
+		internal sealed class Artist
+		{
+			public string Name { get; private set; }
+
+			public Artist (string name)
+			{
+				Name = name;
+			}
+		}
+
+		[Preserve (AllMembers = true)]
+		internal sealed class Grouping<K, T> : ObservableCollection<T>
+		{
+			public K Key { get; private set; }
+
+			public Grouping (K key, IEnumerable<T> values)
+			{
+				Key = key;
+
+				foreach (T value in values) {
+					Items.Add (value);
+				}
+			}
+		}
+
+		Button _swapListButton;
+
+		[Preserve (AllMembers = true)]
+		public ListViewSelectionColor()
+		{
+			Title = "ListView ScrollTo";
+
+			var itemSource = new [] {
+				new { Name = "John Hassel" },
+				new { Name = "Brian Eno" },
+				new { Name = "Rober Fripp" },
+				new { Name = "Edgar Froese" }
+			};
+
+			var groupedItemSource = new List<Grouping<string, Artist>> {
+				new Grouping<string, Artist> ("Prog", new List<Artist> { new Artist ("King Crimson"), new Artist ("Yes"), new Artist ("Rush") }),
+				new Grouping<string, Artist> ("Techno", new List<Artist> { new Artist ("Juan Atkins"), new Artist ("Jeff Mills"), new Artist ("Gerald Donald") } ),
+				new Grouping<string, Artist> ("Pop", new List<Artist> { new Artist ("Japan"), new Artist ("Roxy Music"), new Artist ("Talking Heads") }),
+			};
+
+			var normalList = new ListView {
+				ItemTemplate = new DataTemplate (typeof (ItemTemplate)),
+				ItemsSource = itemSource
+			};
+			var groupedList = new ListView {
+				IsGroupingEnabled = true,
+				GroupHeaderTemplate = new DataTemplate (typeof (GroupHeaderTemplate)),
+				ItemTemplate = new DataTemplate (typeof (GroupItemTemplate)),
+				ItemsSource = groupedItemSource
+			};
+
+			var currentList = normalList;
+			_swapListButton = new Button {
+				Text = "Swap List Type",
+				Command = new Command (() => {
+					if (currentList == normalList) {
+						SetContent (groupedList);
+						currentList = groupedList;
+					} else {
+						SetContent (normalList);
+						currentList = normalList;
+					}
+				})
+			};
+
+			var clear = new Button {
+				Text = "Clear",
+				Command = new Command (() => {
+					currentList.SelectedItem = null;
+				})
+			};
+
+			Content = new StackLayout {
+				Children = {
+					new StackLayout {
+						Orientation = StackOrientation.Horizontal,
+						Children = {
+							_swapListButton,
+							clear
+						}
+					},
+					normalList
+				}
+			};
+
+		}
+
+		void SetContent (ListView list)
+		{
+			Content = new StackLayout {
+				Children = {
+					_swapListButton,
+					list
+				}
+			};
+		}
+
+		
+	}
+}
+\ No newline at end of file