Add a test for the TabView ItemsSource as well.

Author: adammeaney

XamarinCommunityToolkitSample/Pages/Views/TabView/DynamicTabAddingPage.xaml

@@ -6,8 +6,8 @@
     xmlns:pages="clr-namespace:Xamarin.CommunityToolkit.Sample.Pages"
     xmlns:views="http://xamarin.com/schemas/2020/toolkit">
     <StackLayout>
-        <Button Text="Add Three with Content Tab 3" Clicked="OnAdd" />
-        <views:TabView x:Name="MyTabView">
+        <Button Clicked="OnAdd" Text="Add Three with Content Tab 3" />
+        <views:TabView x:Name="MyTabView" TabStripBackgroundColor="BlanchedAlmond">
             <views:TabView.TabItems>
                 <views:TabViewItem Text="One">
                     <Grid>
@@ -21,5 +21,17 @@
                 </views:TabViewItem>
             </views:TabView.TabItems>
         </views:TabView>
+        <views:TabView TabItemsSource="{Binding TabSource}" TabStripBackgroundColor="YellowGreen">
+            <views:TabView.TabViewItemDataTemplate>
+                <DataTemplate>
+                    <Label Text="{Binding}" />
+                </DataTemplate>
+            </views:TabView.TabViewItemDataTemplate>
+            <views:TabView.TabContentDataTemplate>
+                <DataTemplate>
+                    <Label Text="{Binding}" TextColor="CornflowerBlue" />
+                </DataTemplate>
+            </views:TabView.TabContentDataTemplate>
+        </views:TabView>
     </StackLayout>
 </pages:BasePage>

XamarinCommunityToolkitSample/Pages/Views/TabView/DynamicTabAddingPage.xaml.cs

@@ -1,13 +1,18 @@
 using System;
+using System.Collections.ObjectModel;
 using Xamarin.CommunityToolkit.UI.Views;
 using Xamarin.Forms;
 
 namespace Xamarin.CommunityToolkit.Sample.Pages.Views.TabView
 {
 	public partial class DynamicTabAddingPage
 	{
+		public ObservableCollection<string> TabSource { get; }
+
 		public DynamicTabAddingPage()
 		{
+			TabSource = new ObservableCollection<string> {"One", "Two"};
+			BindingContext = this;
 			InitializeComponent();
 		}
 
@@ -24,6 +29,8 @@ private void OnAdd(object sender, EventArgs e)
 					}
 				}
 			});
+
+			TabSource.Add("Three");
 		}
 	}
 }