Added repro sample (xamarin#15305)

Author: heikow10

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

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<controls:TestContentPage
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:controls="clr-namespace:Xamarin.Forms.Controls"
+    xmlns:issues="clr-namespace:Xamarin.Forms.Controls.Issues"
+    x:Class="Xamarin.Forms.Controls.Issues.IssueTODO"
+    x:DataType="issues:ViewModelIssueTODO">
+    <StackLayout>
+        <Label HorizontalTextAlignment="Center"
+               Padding="3.0"
+               Text="Activate TalkBack. Tap on the first or second item in the ListView on this page.&#x0a;If the screen reader reads out &quot;two of four in list, four items&quot; for the first item (or &quot;three of four in list, four items&quot; for the second item),&#x0a;the test has failed." />
+        <ListView ItemsSource="{Binding Path=Items}">
+            <ListView.ItemTemplate>
+                <DataTemplate x:DataType="x:String">
+                    <ViewCell>
+                        <Label Text="{Binding Path=.}" />
+                    </ViewCell>
+                </DataTemplate>
+            </ListView.ItemTemplate>
+        </ListView>
+    </StackLayout>
+</controls:TestContentPage>

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

@@ -0,0 +1,47 @@
+using System.Collections.ObjectModel;
+using Xamarin.Forms.CustomAttributes;
+using Xamarin.Forms.Internals;
+using Xamarin.Forms.Xaml;
+
+#if UITEST
+using Xamarin.Forms.Core.UITests;
+using Xamarin.UITest;
+using NUnit.Framework;
+#endif
+
+namespace Xamarin.Forms.Controls.Issues
+{
+#if UITEST
+	[Category(UITestCategories.ManualReview)]
+#endif
+#if APP
+	[XamlCompilation(XamlCompilationOptions.Compile)]
+#endif
+	[Preserve(AllMembers = true)]
+	[Issue(IssueTracker.Github, 99999, "[Android] TalkBack always considers ListView's header and footer for indexing/counting", PlatformAffected.Android)]
+	public partial class IssueTODO : TestContentPage
+	{
+		public IssueTODO()
+		{
+#if APP
+			InitializeComponent();
+#endif
+		}
+
+		protected override void Init()
+		{
+			BindingContext = new ViewModelIssueTODO();
+		}
+	}
+
+	[Preserve(AllMembers = true)]
+	public class ViewModelIssueTODO
+	{
+		public ViewModelIssueTODO()
+		{
+			Items = new ObservableCollection<string>() { "first item", "second item", };
+		}
+
+		public ObservableCollection<string> Items { get; }
+	}
+}

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

@@ -1863,6 +1863,9 @@
     <Compile Include="$(MSBuildThisFileDirectory)Issue11954.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue13918.xaml.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue13794.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)IssueTODO.xaml.cs">
+      <DependentUpon>IssueTODO.xaml</DependentUpon>
+    </Compile>
     <Compile Include="$(MSBuildThisFileDirectory)Controls\MyCollectionView.xaml.cs">
       <DependentUpon>MyCollectionView.xaml</DependentUpon>
       <SubType>Code</SubType>
@@ -2413,6 +2416,9 @@
     <EmbeddedResource Include="$(MSBuildThisFileDirectory)Issue13918.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>
+    <EmbeddedResource Include="$(MSBuildThisFileDirectory)IssueTODO.xaml">
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+    </EmbeddedResource>
     <EmbeddedResource Include="$(MSBuildThisFileDirectory)Controls\MyCollectionView.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>