🧪 datatemplateselector sample

7 months ago · 23b3ad08b7
parent 450ef3aace
commit 23b3ad08b7
54 changed files with 1218 additions and 0 deletions
--- a/Samples.sln
+++ b/Samples.sln
@ -23,6 +23,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ex_CustomToolbar", "ch02_De
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ex_CustomContentView", "ch03_DataBinding\ex_CustomContentView\ex_CustomContentView.csproj", "{5F26E535-4541-4C99-BD92-2DDB4EB65705}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ex_DataTemplateSelector", "ch03_DataBinding\ex_DataTemplateSelector\ex_DataTemplateSelector.csproj", "{CE13BDA5-D5E5-42A2-BF2B-17942919E7E6}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@ -67,6 +69,10 @@ Global
 		{5F26E535-4541-4C99-BD92-2DDB4EB65705}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5F26E535-4541-4C99-BD92-2DDB4EB65705}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5F26E535-4541-4C99-BD92-2DDB4EB65705}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CE13BDA5-D5E5-42A2-BF2B-17942919E7E6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CE13BDA5-D5E5-42A2-BF2B-17942919E7E6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CE13BDA5-D5E5-42A2-BF2B-17942919E7E6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CE13BDA5-D5E5-42A2-BF2B-17942919E7E6}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@ -80,5 +86,6 @@ Global
 		{0D77C4EE-DD5C-4DCB-8FCB-F3548BDD398C} = {1E07D063-F377-413B-B9A0-FB94AF14B1A9}
 		{5E1D0DEE-CD68-4AAD-9597-9BFF30C8214C} = {1E07D063-F377-413B-B9A0-FB94AF14B1A9}
 		{5F26E535-4541-4C99-BD92-2DDB4EB65705} = {E9273679-4D52-465F-8C23-8096DD8C2A7B}
+		{CE13BDA5-D5E5-42A2-BF2B-17942919E7E6} = {E9273679-4D52-465F-8C23-8096DD8C2A7B}
 	EndGlobalSection
 EndGlobal
--- a/ch03_DataBinding/ex_DataTemplateSelector/App.xaml
+++ b/ch03_DataBinding/ex_DataTemplateSelector/App.xaml
@ -0,0 +1,14 @@
+<?xml version = "1.0" encoding = "UTF-8" ?>
+<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:local="clr-namespace:ex_DataTemplateSelector"
+             x:Class="ex_DataTemplateSelector.App">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="Resources/Styles/Colors.xaml" />
+                <ResourceDictionary Source="Resources/Styles/Styles.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>
--- a/ch03_DataBinding/ex_DataTemplateSelector/App.xaml.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/App.xaml.cs
@ -0,0 +1,11 @@
+namespace ex_DataTemplateSelector;
+
+public partial class App : Application
+{
+	public App()
+	{
+		InitializeComponent();
+
+		MainPage = new AppShell();
+	}
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/AppShell.xaml
+++ b/ch03_DataBinding/ex_DataTemplateSelector/AppShell.xaml
@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<Shell
+    x:Class="ex_DataTemplateSelector.AppShell"
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:local="clr-namespace:ex_DataTemplateSelector"
+    Shell.FlyoutBehavior="Disabled"
+    Title="ex_DataTemplateSelector">
+
+    <ShellContent
+        Title="Home"
+        ContentTemplate="{DataTemplate local:MainPage}"
+        Route="MainPage" />
+
+</Shell>
--- a/ch03_DataBinding/ex_DataTemplateSelector/AppShell.xaml.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/AppShell.xaml.cs
@ -0,0 +1,9 @@
+namespace ex_DataTemplateSelector;
+
+public partial class AppShell : Shell
+{
+	public AppShell()
+	{
+		InitializeComponent();
+	}
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/MainPage.xaml
+++ b/ch03_DataBinding/ex_DataTemplateSelector/MainPage.xaml
@ -0,0 +1,137 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:model="clr-namespace:ex_DataTemplateSelector.Model"
+             xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
+             xmlns:local="clr-namespace:ex_DataTemplateSelector"
+             x:Class="ex_DataTemplateSelector.MainPage">
+    <ContentPage.Resources>
+        <ResourceDictionary>
+            <Style TargetType="Frame">
+                <Setter Property="WidthRequest" Value="60"/>
+                <Setter Property="HeightRequest" Value="60"/>
+                <Setter Property="Padding" Value="0"/>
+                <Setter Property="Margin" Value="0"/>
+                <Setter Property="IsClippedToBounds" Value="True"/>
+                <Setter Property="BorderColor" Value="Transparent"/>
+                <Setter Property="HasShadow" Value="False" />
+            </Style>
+            <Style TargetType="Label">
+                <Setter Property="FontSize" Value="14"/>
+                <Setter Property="FontFamily" Value="SF Pro Text Regular"/>
+            </Style>
+            <Style TargetType="ImageButton">
+                <Setter Property="MinimumWidthRequest" Value="14"/>
+                <Setter Property="WidthRequest" Value="14"/>
+                <Setter Property="MinimumHeightRequest" Value="14"/>
+                <Setter Property="HeightRequest" Value="14"/>
+                <Setter Property="VerticalOptions" Value="Center"/>
+            </Style>
+            <Style TargetType="Image">
+                <Setter Property="HeightRequest" Value="60"/>
+                <Setter Property="WidthRequest" Value="60"/>
+                <Setter Property="Aspect" Value="AspectFill"/>
+            </Style>
+            <DataTemplate x:Key="albumDataTemplate" x:DataType="model:Album">
+                <ViewCell>
+                    <Grid ColumnDefinitions="Auto, *, Auto" RowDefinitions="*,*"
+                          Margin="14, 8" ColumnSpacing="10">
+                        <Frame Grid.RowSpan="2" CornerRadius="10">
+                            <Image Source="{Binding Image}"/>
+                        </Frame>
+                        <Label Text="{Binding Title}" TextColor="Black"
+                               Grid.Column="1" VerticalOptions="End"/>
+                        <Label Text="{Binding Artist.FullName, StringFormat=Album &#x22c5; \{0\}}" TextColor="Gray"
+                               Grid.Column="1" Grid.Row="1"
+                               VerticalOptions="Start"/>
+                        <ImageButton Source="chevron_right" 
+                                     Grid.Column="2" Grid.RowSpan="2">
+                            <ImageButton.Behaviors>
+                                <toolkit:IconTintColorBehavior 
+                                    TintColor="{StaticResource Gray400}"/>
+                            </ImageButton.Behaviors>
+                        </ImageButton>
+                    </Grid>
+                </ViewCell>
+            </DataTemplate>
+            <DataTemplate x:Key="playlistDataTemplate" x:DataType="model:Playlist">
+                <ViewCell>
+                    <Grid ColumnDefinitions="Auto, *, Auto" RowDefinitions="*,*"
+                          Margin="14, 8" ColumnSpacing="10">
+                        <Frame Grid.RowSpan="2" CornerRadius="10">
+                            <Image Source="{Binding Image}"/>
+                        </Frame>
+                        <Label Text="{Binding Title}" TextColor="Black"
+                               Grid.Column="1" VerticalOptions="End"/>
+                        <Label Text="{Binding Owner, StringFormat=Playlist &#x22c5; \{0\}}" TextColor="Gray"
+                               Grid.Column="1" Grid.Row="1"
+                               VerticalOptions="Start"/>
+                        <ImageButton Source="chevron_right" Grid.Column="2"
+                                     Grid.RowSpan="2">
+                            <ImageButton.Behaviors>
+                                <toolkit:IconTintColorBehavior 
+                                    TintColor="{StaticResource Gray400}"/>
+                            </ImageButton.Behaviors>
+                        </ImageButton>
+                    </Grid>
+                </ViewCell>
+            </DataTemplate>
+            <DataTemplate x:Key="trackDataTemplate" x:DataType="model:Track">
+                <ViewCell>
+                    <Grid ColumnDefinitions="Auto, *, Auto" RowDefinitions="*,*"
+                          Margin="14, 8" ColumnSpacing="10">
+                        <Frame Grid.RowSpan="2" CornerRadius="10">
+                            <Image Source="{Binding Album.Image}"/>
+                        </Frame>
+                        <Label Text="{Binding Title}" TextColor="Black"
+                               Grid.Column="1" VerticalOptions="End"/>
+                        <Label Text="{Binding Album.Artist.FullName, StringFormat=Morceau &#x22c5; \{0\}}" TextColor="Gray"
+                               Grid.Column="1" Grid.Row="1"
+                               VerticalOptions="Start"/>
+                        <ImageButton Source="ellipsis" Grid.Column="2"
+                                    HorizontalOptions="Start" Margin="0, 0, 0, 4"
+                                    Grid.RowSpan="2">
+                            <ImageButton.Behaviors>
+                                <toolkit:IconTintColorBehavior 
+                                    TintColor="{StaticResource Black}"/>
+                            </ImageButton.Behaviors>
+                        </ImageButton>
+                    </Grid>
+                </ViewCell>
+            </DataTemplate>
+            <DataTemplate x:Key="artistDataTemplate" x:DataType="model:Artist">
+                <ViewCell>
+                    <Grid ColumnDefinitions="Auto, *, Auto" RowDefinitions="*,*"
+                          Margin="14, 8" ColumnSpacing="10">
+                        <Frame Grid.RowSpan="2" CornerRadius="30">
+                            <Image Source="{Binding Picture}"/>
+                        </Frame>
+                        <Label Text="{Binding FullName}" TextColor="Black"
+                               Grid.Column="1" VerticalOptions="End"/>
+                        <Label Text="Artiste" TextColor="Gray"
+                               Grid.Column="1" Grid.Row="1"
+                               VerticalOptions="Start"/>
+                        <ImageButton Source="chevron_right" Grid.Column="2"
+                                     Grid.RowSpan="2">
+                            <ImageButton.Behaviors>
+                                <toolkit:IconTintColorBehavior 
+                                    TintColor="{StaticResource Gray400}"/>
+                            </ImageButton.Behaviors>
+                        </ImageButton>
+                    </Grid>
+                </ViewCell>
+            </DataTemplate>
+            <local:ResultSelector AlbumTemplate="{StaticResource albumDataTemplate}"
+                                  PlaylistTemplate="{StaticResource playlistDataTemplate}"
+                                  TrackTemplate="{StaticResource trackDataTemplate}"
+                                  ArtistTemplate="{StaticResource artistDataTemplate}"
+                                  x:Key="resultSelector"/>
+        </ResourceDictionary>
+    </ContentPage.Resources>
+
+    <ListView ItemsSource="{Binding Results}"
+              ItemTemplate="{StaticResource resultSelector}"
+              RowHeight="76" BackgroundColor="White">
+    </ListView>
+
+</ContentPage>
--- a/ch03_DataBinding/ex_DataTemplateSelector/MainPage.xaml.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/MainPage.xaml.cs
@ -0,0 +1,12 @@
+using ex_DataTemplateSelector.Model;
+namespace ex_DataTemplateSelector;
+
+public partial class MainPage : ContentPage
+{
+	public MainPage()
+	{
+		InitializeComponent();
+		BindingContext = new SearchResults();
+	}
+}
+
--- a/ch03_DataBinding/ex_DataTemplateSelector/MauiProgram.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/MauiProgram.cs
@ -0,0 +1,30 @@
+using CommunityToolkit.Maui;
+using Microsoft.Extensions.Logging;
+
+namespace ex_DataTemplateSelector;
+
+public static class MauiProgram
+{
+	public static MauiApp CreateMauiApp()
+	{
+		var builder = MauiApp.CreateBuilder();
+		builder
+			.UseMauiApp<App>()
+			.UseMauiCommunityToolkit()
+			.ConfigureFonts(fonts =>
+			{
+				fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
+				fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
+				fonts.AddFont("SF-Pro-Text-Black.otf", "SF Pro Text Black");
+				fonts.AddFont("SF-Pro-Text-Bold.otf", "SF Pro Text Bold");
+				fonts.AddFont("SF-Pro-Text-Heavy.otf", "SF Pro Text Heavy");
+				fonts.AddFont("SF-Pro-Text-Semibold.otf", "SF Pro Text Semibold");
+			});
+
+#if DEBUG
+		builder.Logging.AddDebug();
+#endif
+
+		return builder.Build();
+	}
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Model/Album.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Model/Album.cs
@ -0,0 +1,10 @@
+namespace ex_DataTemplateSelector.Model;
+
+public class Album
+{
+    public string? Title { get; set; }
+
+    public Artist? Artist { get; set; }
+
+    public string? Image { get; set; }
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Model/Artist.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Model/Artist.cs
@ -0,0 +1,8 @@
+namespace ex_DataTemplateSelector.Model;
+
+public class Artist
+{
+    public string? FullName { get; set; }
+
+    public string? Picture { get; set; }
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Model/Playlist.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Model/Playlist.cs
@ -0,0 +1,6 @@
+namespace ex_DataTemplateSelector.Model;
+
+public class Playlist : Album
+{
+    public string? Owner { get; set; }
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Model/SearchResults.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Model/SearchResults.cs
@ -0,0 +1,55 @@
+namespace ex_DataTemplateSelector.Model;
+
+public class SearchResults
+{
+    public IEnumerable<object> Results { get; set; }
+
+    public SearchResults()
+    {
+        var johnColtrane = new Artist
+            {
+                FullName = "John Coltrane",
+                Picture = "john_coltrane.png"
+            };
+
+        var playlistColtrane = new Playlist
+            {
+                Title = "John Coltrane - les indispensables",
+                Owner = "Apple Music : Jazz",
+                Image = "playlist_john_coltrane.jpg"
+            };
+
+        var aliceColtrane = new Artist
+            {
+                FullName = "Alice Coltrane",
+                Picture = "alice_coltrane.png"
+            };
+
+        var myFavoriteThingsTrack = new Track
+            {
+                Title = "My Favorite Things",
+                Album = new Album
+                {
+                    Title = "My Favorite Things",
+                    Image = "my_favorite_things.png",
+                    Artist = johnColtrane
+                }
+            };
+
+        var coltraneQuartetLp = new Album
+            {
+                Title = "Coltrane",
+                Image = "john_coltrane_quartet.jpg",
+                Artist = johnColtrane
+            };
+        
+        var coltraneLp = new Album  
+            {
+                Title = "Coltrane (Remastered)",
+                Image = "coltrane_7105.jpg",
+                Artist = johnColtrane
+            };
+
+        Results = new object[] { johnColtrane, playlistColtrane, aliceColtrane, myFavoriteThingsTrack, coltraneQuartetLp, coltraneLp };
+    }
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Model/Track.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Model/Track.cs
@ -0,0 +1,8 @@
+namespace ex_DataTemplateSelector.Model;
+
+public class Track
+{
+    public string? Title { get; set; }
+
+    public Album? Album { get; set; }
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Android/AndroidManifest.xml
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Android/AndroidManifest.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+	<application android:allowBackup="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round" android:supportsRtl="true"></application>
+	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+	<uses-permission android:name="android.permission.INTERNET" />
+</manifest>
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Android/MainActivity.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Android/MainActivity.cs
@ -0,0 +1,10 @@
+using Android.App;
+using Android.Content.PM;
+using Android.OS;
+
+namespace ex_DataTemplateSelector;
+
+[Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density)]
+public class MainActivity : MauiAppCompatActivity
+{
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Android/MainApplication.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Android/MainApplication.cs
@ -0,0 +1,15 @@
+using Android.App;
+using Android.Runtime;
+
+namespace ex_DataTemplateSelector;
+
+[Application]
+public class MainApplication : MauiApplication
+{
+	public MainApplication(IntPtr handle, JniHandleOwnership ownership)
+		: base(handle, ownership)
+	{
+	}
+
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Android/Resources/values/colors.xml
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Android/Resources/values/colors.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#512BD4</color>
+    <color name="colorPrimaryDark">#2B0B98</color>
+    <color name="colorAccent">#2B0B98</color>
+</resources>
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/MacCatalyst/AppDelegate.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/MacCatalyst/AppDelegate.cs
@ -0,0 +1,9 @@
+using Foundation;
+
+namespace ex_DataTemplateSelector;
+
+[Register("AppDelegate")]
+public class AppDelegate : MauiUIApplicationDelegate
+{
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/MacCatalyst/Entitlements.plist
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/MacCatalyst/Entitlements.plist
@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <!-- See https://aka.ms/maui-publish-app-store#add-entitlements for more information about adding entitlements.-->
+    <dict>
+        <!-- App Sandbox must be enabled to distribute a MacCatalyst app through the Mac App Store. -->
+        <key>com.apple.security.app-sandbox</key>
+        <true/>
+        <!-- When App Sandbox is enabled, this value is required to open outgoing network connections. -->
+        <key>com.apple.security.network.client</key>
+        <true/>
+    </dict>
+</plist>
+
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/MacCatalyst/Info.plist
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/MacCatalyst/Info.plist
@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <!-- The Mac App Store requires you specify if the app uses encryption. -->
+    <!-- Please consult https://developer.apple.com/documentation/bundleresources/information_property_list/itsappusesnonexemptencryption -->
+    <!-- <key>ITSAppUsesNonExemptEncryption</key> -->
+    <!-- Please indicate <true/> or <false/> here. -->
+
+    <!-- Specify the category for your app here. -->
+    <!-- Please consult https://developer.apple.com/documentation/bundleresources/information_property_list/lsapplicationcategorytype -->
+    <!-- <key>LSApplicationCategoryType</key> -->
+    <!-- <string>public.app-category.YOUR-CATEGORY-HERE</string> -->
+	<key>UIDeviceFamily</key>
+	<array>
+		<integer>2</integer>
+	</array>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>arm64</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>XSAppIconAssets</key>
+	<string>Assets.xcassets/appicon.appiconset</string>
+</dict>
+</plist>
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/MacCatalyst/Program.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/MacCatalyst/Program.cs
@ -0,0 +1,15 @@
+using ObjCRuntime;
+using UIKit;
+
+namespace ex_DataTemplateSelector;
+
+public class Program
+{
+	// This is the main entry point of the application.
+	static void Main(string[] args)
+	{
+		// if you want to use a different Application Delegate class from "AppDelegate"
+		// you can specify it here.
+		UIApplication.Main(args, null, typeof(AppDelegate));
+	}
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Tizen/Main.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Tizen/Main.cs
@ -0,0 +1,16 @@
+using System;
+using Microsoft.Maui;
+using Microsoft.Maui.Hosting;
+
+namespace ex_DataTemplateSelector;
+
+class Program : MauiApplication
+{
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+
+	static void Main(string[] args)
+	{
+		var app = new Program();
+		app.Run(args);
+	}
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Tizen/tizen-manifest.xml
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Tizen/tizen-manifest.xml
@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest package="maui-application-id-placeholder" version="0.0.0" api-version="8" xmlns="http://tizen.org/ns/packages">
+  <profile name="common" />
+  <ui-application appid="maui-application-id-placeholder" exec="ex_DataTemplateSelector.dll" multiple="false" nodisplay="false" taskmanage="true" type="dotnet" launch_mode="single">
+    <label>maui-application-title-placeholder</label>
+    <icon>maui-appicon-placeholder</icon>
+    <metadata key="http://tizen.org/metadata/prefer_dotnet_aot" value="true" />
+  </ui-application>
+  <shortcut-list />
+  <privileges>
+    <privilege>http://tizen.org/privilege/internet</privilege>
+  </privileges> 
+  <dependencies />
+  <provides-appdefined-privileges />
+</manifest>
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Windows/App.xaml
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Windows/App.xaml
@ -0,0 +1,8 @@
+<maui:MauiWinUIApplication
+    x:Class="ex_DataTemplateSelector.WinUI.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:maui="using:Microsoft.Maui"
+    xmlns:local="using:ex_DataTemplateSelector.WinUI">
+
+</maui:MauiWinUIApplication>
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Windows/App.xaml.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Windows/App.xaml.cs
@ -0,0 +1,24 @@
+using Microsoft.UI.Xaml;
+
+// To learn more about WinUI, the WinUI project structure,
+// and more about our project templates, see: http://aka.ms/winui-project-info.
+
+namespace ex_DataTemplateSelector.WinUI;
+
+/// <summary>
+/// Provides application-specific behavior to supplement the default Application class.
+/// </summary>
+public partial class App : MauiWinUIApplication
+{
+	/// <summary>
+	/// Initializes the singleton application object.  This is the first line of authored code
+	/// executed, and as such is the logical equivalent of main() or WinMain().
+	/// </summary>
+	public App()
+	{
+		this.InitializeComponent();
+	}
+
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+}
+
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Windows/Package.appxmanifest
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Windows/Package.appxmanifest
@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Package
+  xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10"
+  xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"
+  xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest"
+  xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities"
+  IgnorableNamespaces="uap rescap">
+
+  <Identity Name="maui-package-name-placeholder" Publisher="CN=User Name" Version="0.0.0.0" />
+
+  <mp:PhoneIdentity PhoneProductId="DF47FF55-C051-4AF5-9FB1-2FD613BCDC97" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
+
+  <Properties>
+    <DisplayName>$placeholder$</DisplayName>
+    <PublisherDisplayName>User Name</PublisherDisplayName>
+    <Logo>$placeholder$.png</Logo>
+  </Properties>
+
+  <Dependencies>
+    <TargetDeviceFamily Name="Windows.Universal" MinVersion="10.0.17763.0" MaxVersionTested="10.0.19041.0" />
+    <TargetDeviceFamily Name="Windows.Desktop" MinVersion="10.0.17763.0" MaxVersionTested="10.0.19041.0" />
+  </Dependencies>
+
+  <Resources>
+    <Resource Language="x-generate" />
+  </Resources>
+
+  <Applications>
+    <Application Id="App" Executable="$targetnametoken$.exe" EntryPoint="$targetentrypoint$">
+      <uap:VisualElements
+        DisplayName="$placeholder$"
+        Description="$placeholder$"
+        Square150x150Logo="$placeholder$.png"
+        Square44x44Logo="$placeholder$.png"
+        BackgroundColor="transparent">
+        <uap:DefaultTile Square71x71Logo="$placeholder$.png" Wide310x150Logo="$placeholder$.png" Square310x310Logo="$placeholder$.png" />
+        <uap:SplashScreen Image="$placeholder$.png" />
+      </uap:VisualElements>
+    </Application>
+  </Applications>
+
+  <Capabilities>
+    <rescap:Capability Name="runFullTrust" />
+  </Capabilities>
+
+</Package>
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Windows/app.manifest
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/Windows/app.manifest
@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <assemblyIdentity version="1.0.0.0" name="ex_DataTemplateSelector.WinUI.app"/>
+
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <!-- The combination of below two tags have the following effect:
+           1) Per-Monitor for >= Windows 10 Anniversary Update
+           2) System < Windows 10 Anniversary Update
+      -->
+      <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true/PM</dpiAware>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, PerMonitor</dpiAwareness>
+    </windowsSettings>
+  </application>
+</assembly>
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/iOS/AppDelegate.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/iOS/AppDelegate.cs
@ -0,0 +1,9 @@
+using Foundation;
+
+namespace ex_DataTemplateSelector;
+
+[Register("AppDelegate")]
+public class AppDelegate : MauiUIApplicationDelegate
+{
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/iOS/Info.plist
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/iOS/Info.plist
@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIDeviceFamily</key>
+	<array>
+		<integer>1</integer>
+		<integer>2</integer>
+	</array>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>arm64</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>XSAppIconAssets</key>
+	<string>Assets.xcassets/appicon.appiconset</string>
+</dict>
+</plist>
--- a/ch03_DataBinding/ex_DataTemplateSelector/Platforms/iOS/Program.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Platforms/iOS/Program.cs
@ -0,0 +1,15 @@
+using ObjCRuntime;
+using UIKit;
+
+namespace ex_DataTemplateSelector;
+
+public class Program
+{
+	// This is the main entry point of the application.
+	static void Main(string[] args)
+	{
+		// if you want to use a different Application Delegate class from "AppDelegate"
+		// you can specify it here.
+		UIApplication.Main(args, null, typeof(AppDelegate));
+	}
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Properties/launchSettings.json
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Properties/launchSettings.json
@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "Windows Machine": {
+      "commandName": "MsixPackage",
+      "nativeDebugging": false
+    }
+  }
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/AppIcon/appicon.svg
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/AppIcon/appicon.svg
@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg width="456" height="456" viewBox="0 0 456 456" version="1.1" xmlns="http://www.w3.org/2000/svg">
+    <rect x="0" y="0" width="456" height="456" fill="#512BD4" />
+</svg>
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/AppIcon/appiconfg.svg
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/AppIcon/appiconfg.svg
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="456" height="456" viewBox="0 0 456 456" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
+    <path d="m 105.50037,281.60863 c -2.70293,0 -5.00091,-0.90042 -6.893127,-2.70209 -1.892214,-1.84778 -2.837901,-4.04181 -2.837901,-6.58209 0,-2.58722 0.945687,-4.80389 2.837901,-6.65167 1.892217,-1.84778 4.190197,-2.77167 6.893127,-2.77167 2.74819,0 5.06798,0.92389 6.96019,2.77167 1.93749,1.84778 2.90581,4.06445 2.90581,6.65167 0,2.54028 -0.96832,4.73431 -2.90581,6.58209 -1.89221,1.80167 -4.212,2.70209 -6.96019,2.70209 z" style="fill:#ffffff;fill-rule:nonzero;stroke-width:0.838376" />
+    <path d="M 213.56111,280.08446 H 195.99044 L 149.69953,207.0544 c -1.17121,-1.84778 -2.14037,-3.76515 -2.90581,-5.75126 h -0.40578 c 0.36051,2.12528 0.54076,6.67515 0.54076,13.6496 v 65.13172 h -15.54349 v -99.36009 h 18.71925 l 44.7374,71.29798 c 1.89222,2.95695 3.1087,4.98917 3.64945,6.09751 h 0.26996 c -0.45021,-2.6325 -0.67573,-7.09015 -0.67573,-13.37293 v -64.02256 h 15.47557 z" style="fill:#ffffff;fill-rule:nonzero;stroke-width:0.838376" />
+    <path d="m 289.25134,280.08446 h -54.40052 v -99.36009 h 52.23835 v 13.99669 h -36.15411 v 28.13085 h 33.31621 v 13.9271 h -33.31621 v 29.37835 h 38.31628 z" style="fill:#ffffff;fill-rule:nonzero;stroke-width:0.838376" />
+    <path d="M 366.56466,194.72106 H 338.7222 v 85.3634 h -16.08423 v -85.3634 h -27.77455 v -13.99669 h 71.70124 z" style="fill:#ffffff;fill-rule:nonzero;stroke-width:0.838376" />
+</svg>
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Fonts/OpenSans-Regular.ttf
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Fonts/OpenSans-Regular.ttf
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Fonts/OpenSans-Semibold.ttf
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Fonts/OpenSans-Semibold.ttf
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Fonts/SF-Pro-Text-Black.otf
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Fonts/SF-Pro-Text-Black.otf
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Fonts/SF-Pro-Text-Bold.otf
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Fonts/SF-Pro-Text-Bold.otf
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Fonts/SF-Pro-Text-Heavy.otf
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Fonts/SF-Pro-Text-Heavy.otf
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Fonts/SF-Pro-Text-Semibold.otf
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Fonts/SF-Pro-Text-Semibold.otf
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/alice_coltrane.png
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/alice_coltrane.png
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/chevron_right.png
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/chevron_right.png
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/coltrane_7105.jpg
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/coltrane_7105.jpg
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/dotnet_bot.png
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/dotnet_bot.png
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/ellipsis.png
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/ellipsis.png
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/john_coltrane.png
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/john_coltrane.png
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/john_coltrane_quartet.jpg
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/john_coltrane_quartet.jpg
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/my_favorite_things.png
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/my_favorite_things.png
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/playlist_john_coltrane.jpg
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Images/playlist_john_coltrane.jpg
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Raw/AboutAssets.txt
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Raw/AboutAssets.txt
@ -0,0 +1,15 @@
+Any raw assets you want to be deployed with your application can be placed in
+this directory (and child directories). Deployment of the asset to your application
+is automatically handled by the following `MauiAsset` Build Action within your `.csproj`.
+
+	<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
+
+These files will be deployed with you package and will be accessible using Essentials:
+
+	async Task LoadMauiAsset()
+	{
+		using var stream = await FileSystem.OpenAppPackageFileAsync("AboutAssets.txt");
+		using var reader = new StreamReader(stream);
+
+		var contents = reader.ReadToEnd();
+	}
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Splash/splash.svg
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Splash/splash.svg
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="456" height="456" viewBox="0 0 456 456" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
+    <path d="m 105.50037,281.60863 c -2.70293,0 -5.00091,-0.90042 -6.893127,-2.70209 -1.892214,-1.84778 -2.837901,-4.04181 -2.837901,-6.58209 0,-2.58722 0.945687,-4.80389 2.837901,-6.65167 1.892217,-1.84778 4.190197,-2.77167 6.893127,-2.77167 2.74819,0 5.06798,0.92389 6.96019,2.77167 1.93749,1.84778 2.90581,4.06445 2.90581,6.65167 0,2.54028 -0.96832,4.73431 -2.90581,6.58209 -1.89221,1.80167 -4.212,2.70209 -6.96019,2.70209 z" style="fill:#ffffff;fill-rule:nonzero;stroke-width:0.838376" />
+    <path d="M 213.56111,280.08446 H 195.99044 L 149.69953,207.0544 c -1.17121,-1.84778 -2.14037,-3.76515 -2.90581,-5.75126 h -0.40578 c 0.36051,2.12528 0.54076,6.67515 0.54076,13.6496 v 65.13172 h -15.54349 v -99.36009 h 18.71925 l 44.7374,71.29798 c 1.89222,2.95695 3.1087,4.98917 3.64945,6.09751 h 0.26996 c -0.45021,-2.6325 -0.67573,-7.09015 -0.67573,-13.37293 v -64.02256 h 15.47557 z" style="fill:#ffffff;fill-rule:nonzero;stroke-width:0.838376" />
+    <path d="m 289.25134,280.08446 h -54.40052 v -99.36009 h 52.23835 v 13.99669 h -36.15411 v 28.13085 h 33.31621 v 13.9271 h -33.31621 v 29.37835 h 38.31628 z" style="fill:#ffffff;fill-rule:nonzero;stroke-width:0.838376" />
+    <path d="M 366.56466,194.72106 H 338.7222 v 85.3634 h -16.08423 v -85.3634 h -27.77455 v -13.99669 h 71.70124 z" style="fill:#ffffff;fill-rule:nonzero;stroke-width:0.838376" />
+</svg>
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Styles/Colors.xaml
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Styles/Colors.xaml
@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<?xaml-comp compile="true" ?>
+<ResourceDictionary 
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml">
+
+    <!-- Note: For Android please see also Platforms\Android\Resources\values\colors.xml -->
+
+    <Color x:Key="Primary">#512BD4</Color>
+    <Color x:Key="PrimaryDark">#ac99ea</Color>
+    <Color x:Key="PrimaryDarkText">#242424</Color>
+    <Color x:Key="Secondary">#DFD8F7</Color>
+    <Color x:Key="SecondaryDarkText">#9880e5</Color>
+    <Color x:Key="Tertiary">#2B0B98</Color>
+
+    <Color x:Key="White">White</Color>
+    <Color x:Key="Black">Black</Color>
+    <Color x:Key="Magenta">#D600AA</Color>
+    <Color x:Key="MidnightBlue">#190649</Color>
+    <Color x:Key="OffBlack">#1f1f1f</Color>
+
+    <Color x:Key="Gray100">#E1E1E1</Color>
+    <Color x:Key="Gray200">#C8C8C8</Color>
+    <Color x:Key="Gray300">#ACACAC</Color>
+    <Color x:Key="Gray400">#919191</Color>
+    <Color x:Key="Gray500">#6E6E6E</Color>
+    <Color x:Key="Gray600">#404040</Color>
+    <Color x:Key="Gray900">#212121</Color>
+    <Color x:Key="Gray950">#141414</Color>
+
+    <SolidColorBrush x:Key="PrimaryBrush" Color="{StaticResource Primary}"/>
+    <SolidColorBrush x:Key="SecondaryBrush" Color="{StaticResource Secondary}"/>
+    <SolidColorBrush x:Key="TertiaryBrush" Color="{StaticResource Tertiary}"/>
+    <SolidColorBrush x:Key="WhiteBrush" Color="{StaticResource White}"/>
+    <SolidColorBrush x:Key="BlackBrush" Color="{StaticResource Black}"/>
+
+    <SolidColorBrush x:Key="Gray100Brush" Color="{StaticResource Gray100}"/>
+    <SolidColorBrush x:Key="Gray200Brush" Color="{StaticResource Gray200}"/>
+    <SolidColorBrush x:Key="Gray300Brush" Color="{StaticResource Gray300}"/>
+    <SolidColorBrush x:Key="Gray400Brush" Color="{StaticResource Gray400}"/>
+    <SolidColorBrush x:Key="Gray500Brush" Color="{StaticResource Gray500}"/>
+    <SolidColorBrush x:Key="Gray600Brush" Color="{StaticResource Gray600}"/>
+    <SolidColorBrush x:Key="Gray900Brush" Color="{StaticResource Gray900}"/>
+    <SolidColorBrush x:Key="Gray950Brush" Color="{StaticResource Gray950}"/>
+</ResourceDictionary>
--- a/ch03_DataBinding/ex_DataTemplateSelector/Resources/Styles/Styles.xaml
+++ b/ch03_DataBinding/ex_DataTemplateSelector/Resources/Styles/Styles.xaml
@ -0,0 +1,426 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<?xaml-comp compile="true" ?>
+<ResourceDictionary 
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml">
+
+    <Style TargetType="ActivityIndicator">
+        <Setter Property="Color" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
+    </Style>
+
+    <Style TargetType="IndicatorView">
+        <Setter Property="IndicatorColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}"/>
+        <Setter Property="SelectedIndicatorColor" Value="{AppThemeBinding Light={StaticResource Gray950}, Dark={StaticResource Gray100}}"/>
+    </Style>
+
+    <Style TargetType="Border">
+        <Setter Property="Stroke" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
+        <Setter Property="StrokeShape" Value="Rectangle"/>
+        <Setter Property="StrokeThickness" Value="1"/>
+    </Style>
+
+    <Style TargetType="BoxView">
+        <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource Gray950}, Dark={StaticResource Gray200}}" />
+    </Style>
+
+    <Style TargetType="Button">
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource PrimaryDarkText}}" />
+        <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource PrimaryDark}}" />
+        <Setter Property="FontFamily" Value="OpenSansRegular"/>
+        <Setter Property="FontSize" Value="14"/>
+        <Setter Property="BorderWidth" Value="0"/>
+        <Setter Property="CornerRadius" Value="8"/>
+        <Setter Property="Padding" Value="14,10"/>
+        <Setter Property="MinimumHeightRequest" Value="44"/>
+        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray950}, Dark={StaticResource Gray200}}" />
+                            <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray600}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                    <VisualState x:Name="PointerOver" />
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="CheckBox">
+        <Setter Property="Color" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
+        <Setter Property="MinimumHeightRequest" Value="44"/>
+        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="Color" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="DatePicker">
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
+        <Setter Property="BackgroundColor" Value="Transparent" />
+        <Setter Property="FontFamily" Value="OpenSansRegular"/>
+        <Setter Property="FontSize" Value="14"/>
+        <Setter Property="MinimumHeightRequest" Value="44"/>
+        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="Editor">
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
+        <Setter Property="BackgroundColor" Value="Transparent" />
+        <Setter Property="FontFamily" Value="OpenSansRegular"/>
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="PlaceholderColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
+        <Setter Property="MinimumHeightRequest" Value="44"/>
+        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="Entry">
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
+        <Setter Property="BackgroundColor" Value="Transparent" />
+        <Setter Property="FontFamily" Value="OpenSansRegular"/>
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="PlaceholderColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
+        <Setter Property="MinimumHeightRequest" Value="44"/>
+        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="Frame">
+        <Setter Property="HasShadow" Value="False" />
+        <Setter Property="BorderColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray950}}" />
+        <Setter Property="CornerRadius" Value="8" />
+    </Style>
+
+    <Style TargetType="ImageButton">
+        <Setter Property="Opacity" Value="1" />
+        <Setter Property="BorderColor" Value="Transparent"/>
+        <Setter Property="BorderWidth" Value="0"/>
+        <Setter Property="CornerRadius" Value="0"/>
+        <Setter Property="MinimumHeightRequest" Value="44"/>
+        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="Opacity" Value="0.5" />
+                        </VisualState.Setters>
+                    </VisualState>
+                    <VisualState x:Name="PointerOver" />
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="Label">
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
+        <Setter Property="BackgroundColor" Value="Transparent" />
+        <Setter Property="FontFamily" Value="OpenSansRegular" />
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="Span">
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
+    </Style>
+
+    <Style TargetType="Label" x:Key="Headline">
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource MidnightBlue}, Dark={StaticResource White}}" />
+        <Setter Property="FontSize" Value="32" />
+        <Setter Property="HorizontalOptions" Value="Center" />
+        <Setter Property="HorizontalTextAlignment" Value="Center" />
+    </Style>
+
+    <Style TargetType="Label" x:Key="SubHeadline">
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource MidnightBlue}, Dark={StaticResource White}}" />
+        <Setter Property="FontSize" Value="24" />
+        <Setter Property="HorizontalOptions" Value="Center" />
+        <Setter Property="HorizontalTextAlignment" Value="Center" />
+    </Style>
+
+    <Style TargetType="ListView">
+        <Setter Property="SeparatorColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
+        <Setter Property="RefreshControlColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource Gray200}}" />
+    </Style>
+
+    <Style TargetType="Picker">
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
+        <Setter Property="TitleColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource Gray200}}" />
+        <Setter Property="BackgroundColor" Value="Transparent" />
+        <Setter Property="FontFamily" Value="OpenSansRegular"/>
+        <Setter Property="FontSize" Value="14"/>
+        <Setter Property="MinimumHeightRequest" Value="44"/>
+        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="TitleColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="ProgressBar">
+        <Setter Property="ProgressColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="ProgressColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="RadioButton">
+        <Setter Property="BackgroundColor" Value="Transparent"/>
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
+        <Setter Property="FontFamily" Value="OpenSansRegular"/>
+        <Setter Property="FontSize" Value="14"/>
+        <Setter Property="MinimumHeightRequest" Value="44"/>
+        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="RefreshView">
+        <Setter Property="RefreshColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource Gray200}}" />
+    </Style>
+
+    <Style TargetType="SearchBar">
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
+        <Setter Property="PlaceholderColor" Value="{StaticResource Gray500}" />
+        <Setter Property="CancelButtonColor" Value="{StaticResource Gray500}" />
+        <Setter Property="BackgroundColor" Value="Transparent" />
+        <Setter Property="FontFamily" Value="OpenSansRegular" />
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="MinimumHeightRequest" Value="44"/>
+        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="PlaceholderColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="SearchHandler">
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
+        <Setter Property="PlaceholderColor" Value="{StaticResource Gray500}" />
+        <Setter Property="BackgroundColor" Value="Transparent" />
+        <Setter Property="FontFamily" Value="OpenSansRegular" />
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="PlaceholderColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="Shadow">
+        <Setter Property="Radius" Value="15" />
+        <Setter Property="Opacity" Value="0.5" />
+        <Setter Property="Brush" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource White}}" />
+        <Setter Property="Offset" Value="10,10" />
+    </Style>
+
+    <Style TargetType="Slider">
+        <Setter Property="MinimumTrackColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
+        <Setter Property="MaximumTrackColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray600}}" />
+        <Setter Property="ThumbColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="MinimumTrackColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}"/>
+                            <Setter Property="MaximumTrackColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}"/>
+                            <Setter Property="ThumbColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}"/>
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="SwipeItem">
+        <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource Black}}" />
+    </Style>
+
+    <Style TargetType="Switch">
+        <Setter Property="OnColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
+        <Setter Property="ThumbColor" Value="{StaticResource White}" />
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="OnColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="ThumbColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                    <VisualState x:Name="On">
+                        <VisualState.Setters>
+                            <Setter Property="OnColor" Value="{AppThemeBinding Light={StaticResource Secondary}, Dark={StaticResource Gray200}}" />
+                            <Setter Property="ThumbColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                    <VisualState x:Name="Off">
+                        <VisualState.Setters>
+                            <Setter Property="ThumbColor" Value="{AppThemeBinding Light={StaticResource Gray400}, Dark={StaticResource Gray500}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="TimePicker">
+        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
+        <Setter Property="BackgroundColor" Value="Transparent"/>
+        <Setter Property="FontFamily" Value="OpenSansRegular"/>
+        <Setter Property="FontSize" Value="14"/>
+        <Setter Property="MinimumHeightRequest" Value="44"/>
+        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="VisualStateManager.VisualStateGroups">
+            <VisualStateGroupList>
+                <VisualStateGroup x:Name="CommonStates">
+                    <VisualState x:Name="Normal" />
+                    <VisualState x:Name="Disabled">
+                        <VisualState.Setters>
+                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                        </VisualState.Setters>
+                    </VisualState>
+                </VisualStateGroup>
+            </VisualStateGroupList>
+        </Setter>
+    </Style>
+
+    <Style TargetType="Page" ApplyToDerivedTypes="True">
+        <Setter Property="Padding" Value="0"/>
+        <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource OffBlack}}" />
+    </Style>
+
+    <Style TargetType="Shell" ApplyToDerivedTypes="True">
+        <Setter Property="Shell.BackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource OffBlack}}" />
+        <Setter Property="Shell.ForegroundColor" Value="{OnPlatform WinUI={StaticResource Primary}, Default={StaticResource White}}" />
+        <Setter Property="Shell.TitleColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource SecondaryDarkText}}" />
+        <Setter Property="Shell.DisabledColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray950}}" />
+        <Setter Property="Shell.UnselectedColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray200}}" />
+        <Setter Property="Shell.NavBarHasShadow" Value="False" />
+        <Setter Property="Shell.TabBarBackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource Black}}" />
+        <Setter Property="Shell.TabBarForegroundColor" Value="{AppThemeBinding Light={StaticResource Magenta}, Dark={StaticResource White}}" />
+        <Setter Property="Shell.TabBarTitleColor" Value="{AppThemeBinding Light={StaticResource Magenta}, Dark={StaticResource White}}" />
+        <Setter Property="Shell.TabBarUnselectedColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource Gray200}}" />
+    </Style>
+
+    <Style TargetType="NavigationPage">
+        <Setter Property="BarBackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource OffBlack}}" />
+        <Setter Property="BarTextColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource White}}" />
+        <Setter Property="IconColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource White}}" />
+    </Style>
+
+    <Style TargetType="TabbedPage">
+        <Setter Property="BarBackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource Gray950}}" />
+        <Setter Property="BarTextColor" Value="{AppThemeBinding Light={StaticResource Magenta}, Dark={StaticResource White}}" />
+        <Setter Property="UnselectedTabColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray950}}" />
+        <Setter Property="SelectedTabColor" Value="{AppThemeBinding Light={StaticResource Gray950}, Dark={StaticResource Gray200}}" />
+    </Style>
+
+</ResourceDictionary>
--- a/ch03_DataBinding/ex_DataTemplateSelector/ResultSelector.cs
+++ b/ch03_DataBinding/ex_DataTemplateSelector/ResultSelector.cs
@ -0,0 +1,22 @@
+using ex_DataTemplateSelector.Model;
+
+namespace ex_DataTemplateSelector;
+
+public class ResultSelector : DataTemplateSelector
+{
+    public DataTemplate? AlbumTemplate { get; set; }
+    public DataTemplate? PlaylistTemplate { get; set; }
+    public DataTemplate? TrackTemplate { get; set; }
+    public DataTemplate? ArtistTemplate { get; set; }
+    protected override DataTemplate OnSelectTemplate(object item, BindableObject container)
+    {
+        return item switch
+        {
+            Playlist _ => PlaylistTemplate,
+            Album _ => AlbumTemplate,
+            Track _ => TrackTemplate,
+            Artist _ => ArtistTemplate,
+            _ => throw new ArgumentException()
+        };
+    }
+}
--- a/ch03_DataBinding/ex_DataTemplateSelector/ex_DataTemplateSelector.csproj
+++ b/ch03_DataBinding/ex_DataTemplateSelector/ex_DataTemplateSelector.csproj
@ -0,0 +1,67 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFrameworks>net8.0-android;net8.0-ios;net8.0-maccatalyst</TargetFrameworks>
+		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net8.0-windows10.0.19041.0</TargetFrameworks>
+		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
+		<!-- <TargetFrameworks>$(TargetFrameworks);net8.0-tizen</TargetFrameworks> -->
+
+		<!-- Note for MacCatalyst:
+		The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
+		When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifier>.
+		The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
+		either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
+		<!-- For example: <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
+
+		<OutputType>Exe</OutputType>
+		<RootNamespace>ex_DataTemplateSelector</RootNamespace>
+		<UseMaui>true</UseMaui>
+		<MauiVersion>8.0.14</MauiVersion>
+		<SingleProject>true</SingleProject>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
+
+		<!-- Display name -->
+		<ApplicationTitle>ex_DataTemplateSelector</ApplicationTitle>
+
+		<!-- App Identifier -->
+		<ApplicationId>com.companyname.ex_datatemplateselector</ApplicationId>
+
+		<!-- Versions -->
+		<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+		<ApplicationVersion>1</ApplicationVersion>
+
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">11.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
+		<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<!-- App Icon -->
+		<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
+
+		<!-- Splash Screen -->
+		<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
+
+		<!-- Images -->
+		<MauiImage Include="Resources\Images\*" />
+		<MauiImage Update="Resources\Images\dotnet_bot.png" Resize="True" BaseSize="300,185" />
+
+		<!-- Custom Fonts -->
+		<MauiFont Include="Resources\Fonts\*" />
+
+		<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
+		<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<PackageReference Include="communitytoolkit.maui" Version="8.0.1" />
+		<PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
+		<PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="$(MauiVersion)" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
+	</ItemGroup>
+
+</Project>