Add MAUI hosting extension for generic host

.nuke/build.schema.json

@@ -1,19 +1,49 @@
 {
   "$schema": "http://json-schema.org/draft-04/schema#",
-  "$ref": "#/definitions/build",
-  "title": "Build Schema",
   "definitions": {
-    "build": {
-      "type": "object",
+    "Host": {
+      "type": "string",
+      "enum": [
+        "AppVeyor",
+        "AzurePipelines",
+        "Bamboo",
+        "Bitbucket",
+        "Bitrise",
+        "GitHubActions",
+        "GitLab",
+        "Jenkins",
+        "Rider",
+        "SpaceAutomation",
+        "TeamCity",
+        "Terminal",
+        "TravisCI",
+        "VisualStudio",
+        "VSCode"
+      ]
+    },
+    "ExecutableTarget": {
+      "type": "string",
+      "enum": [
+        "Clean",
+        "Compile",
+        "Deploy",
+        "Pack",
+        "Print",
+        "Restore"
+      ]
+    },
+    "Verbosity": {
+      "type": "string",
+      "description": "",
+      "enum": [
+        "Verbose",
+        "Normal",
+        "Minimal",
+        "Quiet"
+      ]
+    },
+    "NukeBuild": {
       "properties": {
-        "Configuration": {
-          "type": "string",
-          "description": "Configuration to build - Default is 'Debug' (local) or 'Release' (server)",
-          "enum": [
-            "Debug",
-            "Release"
-          ]
-        },
         "Continue": {
           "type": "boolean",
           "description": "Indicates to continue a previously failed build attempt"
@@ -23,34 +53,13 @@
           "description": "Shows the help text for this build assembly"
         },
         "Host": {
-          "type": "string",
           "description": "Host for execution. Default is 'automatic'",
-          "enum": [
-            "AppVeyor",
-            "AzurePipelines",
-            "Bamboo",
-            "Bitbucket",
-            "Bitrise",
-            "GitHubActions",
-            "GitLab",
-            "Jenkins",
-            "Rider",
-            "SpaceAutomation",
-            "TeamCity",
-            "Terminal",
-            "TravisCI",
-            "VisualStudio",
-            "VSCode"
-          ]
+          "$ref": "#/definitions/Host"
         },
         "NoLogo": {
           "type": "boolean",
           "description": "Disables displaying the NUKE logo"
         },
-        "NuGetApiKey": {
-          "type": "string",
-          "default": "Secrets must be entered via 'nuke :secrets [profile]'"
-        },
         "Partition": {
           "type": "string",
           "description": "Partition to use on CI"
@@ -74,47 +83,46 @@
           "type": "array",
           "description": "List of targets to be skipped. Empty list skips all dependencies",
           "items": {
-            "type": "string",
-            "enum": [
-              "Clean",
-              "Compile",
-              "Deploy",
-              "Pack",
-              "Print",
-              "Restore"
-            ]
+            "$ref": "#/definitions/ExecutableTarget"
           }
         },
-        "Solution": {
-          "type": "string",
-          "description": "Path to a solution file that is automatically loaded"
-        },
         "Target": {
           "type": "array",
           "description": "List of targets to be invoked. Default is '{default_target}'",
           "items": {
-            "type": "string",
-            "enum": [
-              "Clean",
-              "Compile",
-              "Deploy",
-              "Pack",
-              "Print",
-              "Restore"
-            ]
+            "$ref": "#/definitions/ExecutableTarget"
           }
         },
         "Verbosity": {
-          "type": "string",
           "description": "Logging verbosity during build execution. Default is 'Normal'",
+          "$ref": "#/definitions/Verbosity"
+        }
+      }
+    }
+  },
+  "allOf": [
+    {
+      "properties": {
+        "Configuration": {
+          "type": "string",
+          "description": "Configuration to build - Default is 'Debug' (local) or 'Release' (server)",
           "enum": [
-            "Minimal",
-            "Normal",
-            "Quiet",
-            "Verbose"
+            "Debug",
+            "Release"
           ]
+        },
+        "NuGetApiKey": {
+          "type": "string",
+          "default": "Secrets must be entered via 'nuke :secrets [profile]'"
+        },
+        "Solution": {
+          "type": "string",
+          "description": "Path to a solution file that is automatically loaded"
         }
       }
+    },
+    {
+      "$ref": "#/definitions/NukeBuild"
     }
-  }
+  ]
 }

build/Build.cs

@@ -60,7 +60,11 @@ partial class Build : NukeBuild
 
     Target Restore => _ => _
         .DependsOn(Clean)
-        .Executes(() => DotNetRestore(s => s.SetProjectFile(Solution)));
+        .Executes(() =>
+        {
+            DotNetWorkloadRestore(s => s.DisableSkipManifestUpdate().SetProject(Solution));
+            return DotNetRestore(s => s.SetProjectFile(Solution));
+        });
 
     Target Compile => _ => _
         .DependsOn(Restore, Print)

src/Extensions.Hosting.MainUIThread/IUiContext.cs

@@ -15,7 +15,7 @@ public interface IUiContext
     bool IsLifetimeLinked { get; set; }
 
     /// <summary>
-    /// Gets or sets a value indicating whether is the WPF application started and still running?.
+    /// Gets or sets a value indicating whether is the application started and still running?.
     /// </summary>
     bool IsRunning { get; set; }
 }

src/Extensions.Hosting.Maui.Example/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:Extensions.Hosting.Maui.Example"
+             x:Class="Extensions.Hosting.Maui.Example.App">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="Resources/Styles/Colors.xaml" />
+                <ResourceDictionary Source="Resources/Styles/Styles.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

src/Extensions.Hosting.Maui.Example/App.xaml.cs

@@ -0,0 +1,30 @@
+// Copyright (c) 2019-2025 ReactiveUI Association Incorporated. All rights reserved.
+// ReactiveUI Association Incorporated licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for full license information.
+
+namespace Extensions.Hosting.Maui.Example;
+
+/// <summary>
+/// App.
+/// </summary>
+/// <seealso cref="Microsoft.Maui.Controls.Application" />
+public partial class App : Application
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="App"/> class.
+    /// </summary>
+    public App()
+    {
+        InitializeComponent();
+
+        // Start the host
+        MauiProgram.HostApp.StartAsync();
+    }
+
+    /// <summary>
+    /// Creates the window.
+    /// </summary>
+    /// <param name="activationState">State of the activation.</param>
+    /// <returns>A Window.</returns>
+    protected override Window CreateWindow(IActivationState? activationState) => new(new AppShell());
+}

src/Extensions.Hosting.Maui.Example/AppShell.xaml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<Shell
+    x:Class="Extensions.Hosting.Maui.Example.AppShell"
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:local="clr-namespace:Extensions.Hosting.Maui.Example"
+    Title="Extensions.Hosting.Maui.Example">
+
+    <ShellContent
+        Title="Home"
+        ContentTemplate="{DataTemplate local:MainPage}"
+        Route="MainPage" />
+
+</Shell>

src/Extensions.Hosting.Maui.Example/AppShell.xaml.cs

@@ -0,0 +1,17 @@
+// Copyright (c) 2019-2025 ReactiveUI Association Incorporated. All rights reserved.
+// ReactiveUI Association Incorporated licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for full license information.
+
+namespace Extensions.Hosting.Maui.Example;
+
+/// <summary>
+/// AppShell.
+/// </summary>
+/// <seealso cref="Shell" />
+public partial class AppShell : Shell
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="AppShell"/> class.
+    /// </summary>
+    public AppShell() => InitializeComponent();
+}

src/Extensions.Hosting.Maui.Example/ExampleMauiService.cs

@@ -0,0 +1,23 @@
+// Copyright (c) 2019-2025 ReactiveUI Association Incorporated. All rights reserved.
+// ReactiveUI Association Incorporated licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for full license information.
+
+using ReactiveMarbles.Extensions.Hosting.Maui;
+
+namespace Extensions.Hosting.Maui.Example;
+
+/// <summary>
+/// Example MAUI service.
+/// </summary>
+public class ExampleMauiService : IMauiService
+{
+    /// <summary>
+    /// Initializes the specified application.
+    /// </summary>
+    /// <param name="application">The application.</param>
+    public void Initialize(Microsoft.Maui.Controls.Application application)
+    {
+        // Example initialization
+        Console.WriteLine("MAUI application initialized via IMauiService");
+    }
+}

src/Extensions.Hosting.Maui.Example/Extensions.Hosting.Maui.Example.csproj

@@ -0,0 +1,78 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <IsPackable>false</IsPackable>
+    <TargetFrameworks>net9.0-android;</TargetFrameworks>
+    <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net9.0-windows10.0.19041.0</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>Extensions.Hosting.Maui.Example</RootNamespace>
+    <UseMaui>true</UseMaui>
+    <SingleProject>true</SingleProject>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <!-- Display name -->
+    <ApplicationTitle>Extensions.Hosting.Maui.Example</ApplicationTitle>
+
+    <!-- App Identifier -->
+    <ApplicationId>com.companyname.extensions.hosting.maui.example</ApplicationId>
+
+    <!-- Versions -->
+    <ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+    <ApplicationVersion>1</ApplicationVersion>
+
+    <!-- To develop, package, and publish an app to the Microsoft Store, see: https://aka.ms/MauiTemplateUnpackaged -->
+    <WindowsPackageType>None</WindowsPackageType>
+
+    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">15.0</SupportedOSPlatformVersion>
+    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">15.0</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>
+    <NoWarn>NU1605;SA1633;SA1600;SA1601;SA1027;SA1137;SX1309;CA1805;CA1400;RCS1102;SA1400;SA1508;SA1512;SA1642;SX1101</NoWarn>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </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="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
+    <PackageReference Include="Microsoft.Maui.Essentials" Version="$(MauiVersion)" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="10.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Extensions.Hosting.Maui\Extensions.Hosting.Maui.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="SecondPage.xaml">
+      <Generator>MSBuild:Compile</Generator>
+    </None>
+  </ItemGroup>
+
+</Project>