From 9cd4145217e8031c5ec40517e6b368aed72d8987 Mon Sep 17 00:00:00 2001
From: Kyle Spearrin <kspearrin@imobile3.com>
Date: Wed, 18 May 2016 21:45:13 -0400
Subject: [PATCH] testing list page perf

---
 src/App/App.csproj            |  1 +
 src/App/Pages/SettingsPage.cs |  2 +-
 src/App/Pages/TestListPage.cs | 68 +++++++++++++++++++++++++++++++++++
 3 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 src/App/Pages/TestListPage.cs

diff --git a/src/App/App.csproj b/src/App/App.csproj
index fcb66e696..f941ae281 100644
--- a/src/App/App.csproj
+++ b/src/App/App.csproj
@@ -82,6 +82,7 @@
     <Compile Include="Pages\LoginNavigationPage.cs" />
     <Compile Include="Pages\MainPage.cs" />
     <Compile Include="Pages\SettingsEditFolderPage.cs" />
+    <Compile Include="Pages\TestListPage.cs" />
     <Compile Include="Pages\SyncPage.cs" />
     <Compile Include="Pages\SettingsPage.cs" />
     <Compile Include="Pages\SettingsListFoldersPage.cs" />
diff --git a/src/App/Pages/SettingsPage.cs b/src/App/Pages/SettingsPage.cs
index 24f372163..0e0438bd2 100644
--- a/src/App/Pages/SettingsPage.cs
+++ b/src/App/Pages/SettingsPage.cs
@@ -126,7 +126,7 @@ namespace Bit.App.Pages
 
         private void TouchIdCell_Tapped(object sender, EventArgs e)
         {
-
+            Navigation.PushAsync(new TestListPage());
         }
 
         private void FoldersCell_Tapped(object sender, EventArgs e)
diff --git a/src/App/Pages/TestListPage.cs b/src/App/Pages/TestListPage.cs
new file mode 100644
index 000000000..90373a474
--- /dev/null
+++ b/src/App/Pages/TestListPage.cs
@@ -0,0 +1,68 @@
+using System;
+using Xamarin.Forms;
+using Bit.App.Utilities;
+using System.Collections.Generic;
+
+namespace Bit.App.Pages
+{
+    public class TestListPage : ContentPage
+    {
+        public TestListPage()
+        {
+            var textCell = new TextCell();
+            textCell.SetBinding<Bar>(TextCell.TextProperty, s => s.BarName);
+
+            var listView = new ListView
+            {
+                IsGroupingEnabled = true,
+                GroupDisplayBinding = new Binding("FooName"),
+                ItemsSource = Items,
+                ItemTemplate = new DataTemplate(() => textCell),
+                HasUnevenRows = true,
+                SeparatorColor = Color.FromHex("d2d6de")
+            };
+
+            Content = listView;
+        }
+
+        public ExtendedObservableCollection<Foo> Items { get; private set; } = new ExtendedObservableCollection<Foo>();
+
+        protected override void OnAppearing()
+        {
+            base.OnAppearing();
+
+            var foos = new List<Foo>();
+            foos.Add(new Foo("Foo 1", MakeBars()));
+            foos.Add(new Foo("Foo 2", MakeBars()));
+            foos.Add(new Foo("Foo 3", MakeBars()));
+            foos.Add(new Foo("Foo 4", MakeBars()));
+            Items.Reset(foos);
+        }
+
+        private IEnumerable<Bar> MakeBars()
+        {
+            var numbers = new List<Bar>();
+            for(int i = 0; i < 100; i++)
+            {
+                numbers.Add(new Bar { BarName = i.ToString() });
+            }
+            return numbers;
+        }
+
+        public class Foo : List<Bar>
+        {
+            public Foo(string name, IEnumerable<Bar> bars)
+            {
+                FooName = name;
+                AddRange(bars);
+            }
+
+            public string FooName { get; set; }
+        }
+
+        public class Bar
+        {
+            public string BarName { get; set; }
+        }
+    }
+}