Adding dependency injection

Author: dpaulino

templateSource/ModernUwpTemplate/App.Configuration.xaml.cs

@@ -0,0 +1,38 @@
+using CommunityToolkit.Diagnostics;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+
+#nullable enable
+
+namespace ModernUwpTemplate;
+
+partial class App
+{
+    private IServiceProvider? _serviceProvider;
+
+    public static IServiceProvider Services
+    {
+        get
+        {
+            IServiceProvider? serviceProvider = ((App)Current)._serviceProvider;
+
+            if (serviceProvider is null)
+            {
+                ThrowHelper.ThrowInvalidOperationException("The service provider is not initialized");
+            }
+
+            return serviceProvider;
+        }
+    }
+
+    private static IServiceProvider ConfigureServices()
+    {
+        var provider = new ServiceCollection()
+            // TODO insert services here.
+            // Example: .AddSingleton<IAppSettings, AppSettings>()
+            .BuildServiceProvider(true);
+
+        return provider;
+    }
+
+}

templateSource/ModernUwpTemplate/App.xaml.cs

@@ -50,9 +50,15 @@ protected override void OnLaunched(LaunchActivatedEventArgs e)
         // just ensure that the window is active
         if (rootFrame == null)
         {
+            _serviceProvider ??= ConfigureServices();
+
             // Create a Frame to act as the navigation context and navigate to the first page
             rootFrame = new Frame();
 
+            // Removes the title bar.
+            // Comment out below if title bar is desired.
+            CustomizeTitleBar(rootFrame.ActualTheme == ElementTheme.Dark);
+
             rootFrame.NavigationFailed += OnNavigationFailed;
 
             if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
@@ -71,15 +77,11 @@ protected override void OnLaunched(LaunchActivatedEventArgs e)
                 // When the navigation stack isn't restored navigate to the first page,
                 // configuring the new page by passing required information as a navigation
                 // parameter
-                rootFrame.Navigate(typeof(MainPage), e.Arguments);
+                rootFrame.Navigate(typeof(Views.MainPage), e.Arguments);
             }
             // Ensure the current window is active
             Window.Current.Activate();
         }
-
-        // Removes the title bar.
-        // Comment out below if title bar is desired.
-        CustomizeTitleBar(rootFrame.ActualTheme == ElementTheme.Dark);
     }
 
     /// <summary>

templateSource/ModernUwpTemplate/ModernUwpTemplate.csproj

@@ -117,10 +117,11 @@
     <RestoreProjectStyle>PackageReference</RestoreProjectStyle>
   </PropertyGroup>
   <ItemGroup>
+    <Compile Include="App.Configuration.xaml.cs" />
     <Compile Include="App.xaml.cs">
       <DependentUpon>App.xaml</DependentUpon>
     </Compile>
-    <Compile Include="MainPage.xaml.cs">
+    <Compile Include="Views\MainPage.xaml.cs">
       <DependentUpon>MainPage.xaml</DependentUpon>
     </Compile>
     <Compile Include="Properties\AssemblyInfo.cs" />
@@ -145,12 +146,18 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </ApplicationDefinition>
-    <Page Include="MainPage.xaml">
+    <Page Include="Views\MainPage.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </Page>
   </ItemGroup>
   <ItemGroup>
+    <PackageReference Include="CommunityToolkit.Diagnostics">
+      <Version>8.2.1</Version>
+    </PackageReference>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection">
+      <Version>7.0.0</Version>
+    </PackageReference>
     <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform">
       <Version>6.2.14</Version>
     </PackageReference>

…teSource/ModernUwpTemplate/MainPage.xaml …ce/ModernUwpTemplate/Views/MainPage.xamltemplateSource/ModernUwpTemplate/MainPage.xaml renamed to templateSource/ModernUwpTemplate/Views/MainPage.xaml templateSource/ModernUwpTemplate/MainPage.xaml renamed to templateSource/ModernUwpTemplate/Views/MainPage.xaml

@@ -1,5 +1,5 @@
 <Page
-    x:Class="ModernUwpTemplate.MainPage"
+    x:Class="ModernUwpTemplate.Views.MainPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

…ource/ModernUwpTemplate/MainPage.xaml.cs …ModernUwpTemplate/Views/MainPage.xaml.cstemplateSource/ModernUwpTemplate/MainPage.xaml.cs renamed to templateSource/ModernUwpTemplate/Views/MainPage.xaml.cs templateSource/ModernUwpTemplate/MainPage.xaml.cs renamed to templateSource/ModernUwpTemplate/Views/MainPage.xaml.cs

@@ -15,7 +15,7 @@
 
 #nullable enable
 
-namespace ModernUwpTemplate;
+namespace ModernUwpTemplate.Views;
 
 /// <summary>
 /// An empty page that can be used on its own or navigated to within a Frame.