1 files changed, 193 insertions, 0 deletions
diff --git a/Xamarin.Forms.Controls/ControlGalleryPages/CellForceUpdateSizeGalleryPage.cs b/Xamarin.Forms.Controls/ControlGalleryPages/CellForceUpdateSizeGalleryPage.cs
new file mode 100644
index 00000000..35b29d48
--- /dev/null
+++ b/Xamarin.Forms.Controls/ControlGalleryPages/CellForceUpdateSizeGalleryPage.cs
@@ -0,0 +1,193 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Xamarin.Forms.Controls
+{
+	[Preserve (AllMembers = true)]
+	public class CellForceUpdateSizeGalleryPage : TabbedPage
+	{
+		public class ViewCellPage : ContentPage
+		{
+			[Preserve (AllMembers = true)]
+			public class MyViewCell : ViewCell
+			{
+				public MyViewCell ()
+				{
+					var image = new Image {
+						Source = ImageSource.FromFile ("crimson.jpg"),
+						BackgroundColor = Color.Gray,
+						HeightRequest = 50,
+						VerticalOptions = LayoutOptions.Fill,
+						HorizontalOptions = LayoutOptions.Fill
+					};
+
+					var button = new Button { Text = "+" };
+					button.Clicked += (object sender, EventArgs e) =>
+					{
+						image.HeightRequest = image.Height + 100;
+						ForceUpdateSize ();
+					};
+
+					Tapped += (object sender, EventArgs e) =>
+					{
+						image.HeightRequest = image.Height - 100;
+						ForceUpdateSize ();
+					};
+
+					View = new StackLayout { Orientation = StackOrientation.Horizontal, Children = { image, button } };
+				}
+			}
+
+			public ViewCellPage ()
+			{
+				var listview = new ListView {
+					HasUnevenRows = true,
+				};
+				var items = Enumerable.Range (0, 10);
+				listview.ItemsSource = items;
+				listview.ItemTemplate = new DataTemplate (typeof (MyViewCell));
+				Content = listview;
+				Title = "View Cell";
+			}
+		}
+
+		public class ImageCellPage : ContentPage
+		{
+			[Preserve (AllMembers = true)]
+			public class MyImageCell : ImageCell
+			{
+				public MyImageCell ()
+				{
+					ImageSource = ImageSource.FromFile ("crimson.jpg");
+					Height = 20;
+					Command = new Command (() =>
+					{
+						Height += 20;
+						ForceUpdateSize ();
+					});
+				}
+			}
+			public ImageCellPage ()
+			{
+				var listview = new ListView {
+					HasUnevenRows = true,
+				};
+				var items = Enumerable.Range (0, 10);
+				listview.ItemsSource = items;
+				listview.ItemTemplate = new DataTemplate (typeof (MyImageCell));
+				Content = listview;
+				Title = "Image Cell";
+			}
+		}
+
+		public class TextCellPage : ContentPage
+		{
+			[Preserve (AllMembers = true)]
+			public class MyTextCell : TextCell
+			{
+				public MyTextCell ()
+				{
+					Text = "I am a TextCell, short and stout.";
+					Height = 20;
+					Command = new Command (() =>
+					{
+						Height += 20;
+						ForceUpdateSize ();
+					});
+				}
+			}
+
+			public TextCellPage ()
+			{
+				var listview = new ListView {
+					HasUnevenRows = true,
+				};
+				var items = Enumerable.Range (0, 10);
+				listview.ItemsSource = items;
+				listview.ItemTemplate = new DataTemplate (typeof (MyTextCell));
+				Content = listview;
+				Title = "Text Cell";
+			}
+		}
+
+		public class EntryCellPage : ContentPage
+		{
+			[Preserve (AllMembers = true)]
+			public class MyEntryCell : EntryCell
+			{
+				public MyEntryCell ()
+				{
+					Text = "I am an EntryCell, short and stout.";
+					Height = 20;
+					Tapped += (object sender, EventArgs e) =>
+					{
+						Height += 20;
+						ForceUpdateSize ();
+					};
+					Completed += (object sender, EventArgs e) =>
+					{
+						Height -= 20;
+						ForceUpdateSize ();
+					};
+				}
+			}
+
+			public EntryCellPage ()
+			{
+				var listview = new ListView {
+					HasUnevenRows = true,
+				};
+				var items = Enumerable.Range (0, 10);
+				listview.ItemsSource = items;
+				listview.ItemTemplate = new DataTemplate (typeof (MyEntryCell));
+				Content = listview;
+				Title = "Entry Cell";
+			}
+		}
+
+		public class SwitchCellPage : ContentPage
+		{
+			[Preserve (AllMembers = true)]
+			public class MySwitchCell : SwitchCell
+			{
+				public MySwitchCell ()
+				{
+					Text = "I am a SwitchCell, short and stout.";
+					Height = 20;
+					Tapped += (object sender, EventArgs e) =>
+					{
+						Height += 20;
+						ForceUpdateSize ();
+					};
+					OnChanged += (object sender, ToggledEventArgs e) =>
+					{
+						Height -= 20;
+						ForceUpdateSize ();
+					};
+				}
+			}
+
+			public SwitchCellPage ()
+			{
+				var listview = new ListView {
+					HasUnevenRows = true,
+				};
+				var items = Enumerable.Range (0, 10);
+				listview.ItemsSource = items;
+				listview.ItemTemplate = new DataTemplate (typeof (MySwitchCell));
+				Content = listview;
+				Title = "Switch Cell";
+			}
+		}
+
+		public CellForceUpdateSizeGalleryPage ()
+		{
+			Children.Add (new ViewCellPage ());
+			Children.Add (new ImageCellPage ());
+			Children.Add (new TextCellPage ());
+			Children.Add (new EntryCellPage ());
+			Children.Add (new SwitchCellPage ());
+		}
+	}
+}