[iOS] Fix issue with SwipeView and grouped ListView with scroll

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue10908.xaml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ContentPage
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    x:Class="Xamarin.Forms.Controls.Issues.Issue10908"
+    Title="Issue 10908">
+  <ContentPage.Content>
+		<ListView
+            x:Name ="lstView"
+            IsGroupingEnabled="true"
+            HasUnevenRows="True"
+            SeparatorVisibility="None"
+            GroupDisplayBinding="{Binding LongName}"
+            GroupShortNameBinding="{Binding ShortName}">
+			<ListView.ItemTemplate>
+				<DataTemplate>
+                    <ViewCell>
+                        <SwipeView>
+                            <SwipeView.LeftItems>
+                                <SwipeItem
+                                    BackgroundColor="Red"
+                                    IconImageSource="icon.png"
+                                    Text="Delete"/>
+                            </SwipeView.LeftItems>
+                            <StackLayout
+                                HeightRequest="60">
+                                <Label Text="{Binding Name}" />
+                                <Label Text="{Binding Comment}" />
+                            </StackLayout>
+                        </SwipeView>
+                    </ViewCell>
+                </DataTemplate>
+			</ListView.ItemTemplate>
+		</ListView>
+	</ContentPage.Content>
+</ContentPage>

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue10908.xaml.cs

@@ -0,0 +1,77 @@
+using System.Collections.ObjectModel;
+using Xamarin.Forms.CustomAttributes;
+using Xamarin.Forms.Internals;
+
+namespace Xamarin.Forms.Controls.Issues
+{
+	[Preserve(AllMembers = true)]
+	[Issue(IssueTracker.Github, 10908, "[Bug] [iOS]SwipeView not working on Grouped ListView", PlatformAffected.iOS)]
+	public partial class Issue10908 : ContentPage
+	{
+		public Issue10908()
+		{
+#if APP
+			InitializeComponent ();
+
+			Grouped = new ObservableCollection<GroupedIssue10908Model>();
+
+			var veggieGroup = new GroupedIssue10908Model() { LongName = "vegetables", ShortName = "v" };
+			var fruitGroup = new GroupedIssue10908Model() { LongName = "fruit", ShortName = "f" };
+			var veggie1Group = new GroupedIssue10908Model() { LongName = "vegetables1", ShortName = "v1" };
+			var fruit1Group = new GroupedIssue10908Model() { LongName = "fruit1", ShortName = "f1" };
+			var veggie2Group = new GroupedIssue10908Model() { LongName = "vegetables2", ShortName = "v2" };
+			var fruit2Group = new GroupedIssue10908Model() { LongName = "fruit2", ShortName = "f2" };
+			veggieGroup.Add(new Issue10908Model() { Name = "celery", IsReallyAVeggie = true, Comment = "try ants on a log" });
+			veggieGroup.Add(new Issue10908Model() { Name = "tomato", IsReallyAVeggie = false, Comment = "pairs well with basil" });
+			veggieGroup.Add(new Issue10908Model() { Name = "zucchini", IsReallyAVeggie = true, Comment = "zucchini bread > bannana bread" });
+			veggieGroup.Add(new Issue10908Model() { Name = "peas", IsReallyAVeggie = true, Comment = "like peas in a pod" });
+			fruitGroup.Add(new Issue10908Model() { Name = "banana", IsReallyAVeggie = false, Comment = "available in chip form factor" });
+			fruitGroup.Add(new Issue10908Model() { Name = "strawberry", IsReallyAVeggie = false, Comment = "spring plant" });
+			fruitGroup.Add(new Issue10908Model() { Name = "cherry", IsReallyAVeggie = false, Comment = "topper for icecream" });
+
+			veggie1Group.Add(new Issue10908Model() { Name = "celery", IsReallyAVeggie = true, Comment = "try ants on a log" });
+			veggie1Group.Add(new Issue10908Model() { Name = "tomato", IsReallyAVeggie = false, Comment = "pairs well with basil" });
+			veggie1Group.Add(new Issue10908Model() { Name = "zucchini", IsReallyAVeggie = true, Comment = "zucchini bread > bannana bread" });
+			veggie1Group.Add(new Issue10908Model() { Name = "peas", IsReallyAVeggie = true, Comment = "like peas in a pod" });
+			fruit1Group.Add(new Issue10908Model() { Name = "banana", IsReallyAVeggie = false, Comment = "available in chip form factor" });
+			fruit1Group.Add(new Issue10908Model() { Name = "strawberry", IsReallyAVeggie = false, Comment = "spring plant" });
+			fruit1Group.Add(new Issue10908Model() { Name = "cherry", IsReallyAVeggie = false, Comment = "topper for icecream" });
+
+			veggie2Group.Add(new Issue10908Model() { Name = "celery", IsReallyAVeggie = true, Comment = "try ants on a log" });
+			veggie2Group.Add(new Issue10908Model() { Name = "tomato", IsReallyAVeggie = false, Comment = "pairs well with basil" });
+			veggie2Group.Add(new Issue10908Model() { Name = "zucchini", IsReallyAVeggie = true, Comment = "zucchini bread > bannana bread" });
+			veggie2Group.Add(new Issue10908Model() { Name = "peas", IsReallyAVeggie = true, Comment = "like peas in a pod" });
+			fruit2Group.Add(new Issue10908Model() { Name = "banana", IsReallyAVeggie = false, Comment = "available in chip form factor" });
+			fruit2Group.Add(new Issue10908Model() { Name = "strawberry", IsReallyAVeggie = false, Comment = "spring plant" });
+			fruit2Group.Add(new Issue10908Model() { Name = "cherry", IsReallyAVeggie = false, Comment = "topper for icecream" });
+
+			Grouped.Add(veggieGroup);
+			Grouped.Add(fruitGroup);
+			Grouped.Add(veggie1Group);
+			Grouped.Add(fruit1Group);
+			Grouped.Add(veggie2Group);
+			Grouped.Add(fruit2Group);
+
+			lstView.ItemsSource = Grouped;
+#endif
+		}
+
+		ObservableCollection<GroupedIssue10908Model> Grouped { get; set; }
+	}
+
+	[Preserve(AllMembers = true)]
+	public class Issue10908Model
+	{
+		public string Name { get; set; }
+		public string Comment { get; set; }
+		public bool IsReallyAVeggie { get; set; }
+		public string Image { get; set; }
+	}
+
+	[Preserve(AllMembers = true)]
+	public class GroupedIssue10908Model : ObservableCollection<Issue10908Model>
+	{
+		public string LongName { get; set; }
+		public string ShortName { get; set; }
+	}
+}

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems

@@ -1414,6 +1414,7 @@
     </Compile>
     <Compile Include="$(MSBuildThisFileDirectory)Issue11031.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue10940.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Issue10908.xaml.cs" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="$(MSBuildThisFileDirectory)Bugzilla22229.xaml">
@@ -1644,6 +1645,9 @@
     <EmbeddedResource Include="$(MSBuildThisFileDirectory)Issue9555.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>
+    <EmbeddedResource Include="$(MSBuildThisFileDirectory)Issue10908.xaml">
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+    </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="$(MSBuildThisFileDirectory)Bugzilla27417Xaml.xaml">

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

@@ -351,7 +351,7 @@ void HandlePan(UIPanGestureRecognizer panGestureRecognizer)
 		{
 			if (panGestureRecognizer != null)
 			{
-				var point = panGestureRecognizer.LocationInView(Control);
+				CGPoint point = panGestureRecognizer.LocationInView(this);
 				var navigationController = GetUINavigationController(GetViewController());
 
 				switch (panGestureRecognizer.State)