Enable .NET 8 for uwp MultiTarget, upgrade packages

.devcontainer/Dockerfile

@@ -1,5 +1,5 @@
 # See https://github.com/devcontainers/images/tree/main/src/dotnet for image choices
-FROM mcr.microsoft.com/vscode/devcontainers/dotnet:8.0
+FROM mcr.microsoft.com/vscode/devcontainers/dotnet:9.0
 
 # [Choice] Node.js version: none, lts/*, 16, 14, 12, 10
 ARG NODE_VERSION="none"

.devcontainer/devcontainer.json

@@ -7,7 +7,7 @@
 		"args": {
 			// Update 'VARIANT' to pick a .NET Core version: 3.1, 5.0, 6.0
 			// Append -bullseye or -focal to pin to an OS version.
-			"VARIANT": "8.0",
+			"VARIANT": "9.0",
 			// Options
 			"NODE_VERSION": "lts/*"
 		}

.github/workflows/build.yml

@@ -17,9 +17,7 @@ on:
   merge_group:
 
 env:
-  DOTNET_VERSION: ${{ '8.0.201' }}
-  DOTNET_INSTALL_DIR: dotnet-install
-  DOTNET_ROOT: dotnet-install
+  DOTNET_VERSION: ${{ '9.0.x' }}
   ENABLE_DIAGNOSTICS: true
   MSBUILD_VERBOSITY: normal
   #COREHOST_TRACE: 1
@@ -59,7 +57,7 @@ jobs:
   # Build both Uno.UI/WinUI2/UWP and Uno.WinUI/WinUI3/WindowsAppSDK versions of our packages using a matrix
   build:
     needs: [Xaml-Style-Check]
-    runs-on: windows-latest-large
+    runs-on: windows-latest
 
     # See https://docs.github.com/actions/using-jobs/using-a-matrix-for-your-jobs
     strategy:

Directory.Build.props

@@ -30,6 +30,7 @@
 
     <!-- See https://github.com/CommunityToolkit/Windows/pull/567#issuecomment-2498739244 -->
     <WarningsNotAsErrors>NU1901;NU1902;NU1903;NU1904</WarningsNotAsErrors>
+    <NoWarn>$(NoWarn);TKSMPL0014;</NoWarn>
   </PropertyGroup>
 
   <Import Project="Windows.Toolkit.Common.props" />

Directory.Build.targets

@@ -1,7 +1,11 @@
 <Project>
+  <ItemGroup>
+  <!-- Workaround for WebView2 on uap pulling in Microsoft.VCLibs.Desktop when it shouldn't -->
+    <SDKReference Remove="Microsoft.VCLibs.Desktop, Version=14.0" />
+  </ItemGroup>
 
   <ItemGroup Condition="'$(Configuration)' == 'Release'">
-    <PackageReference Include="NuGet.Build.Tasks.Pack" Version="6.7.0" PrivateAssets="all" Pack="false" />
+    <PackageReference Include="NuGet.Build.Tasks.Pack" Version="6.12.1" PrivateAssets="all" Pack="false" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
   </ItemGroup>
 

components/Behaviors/samples/InvokeActionsSample.xaml

@@ -1,11 +1,10 @@
-<!--  Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the LICENSE file in the project root for more information.  -->
+<!--  Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the LICENSE file in the project root for more information.  -->
 <Page x:Class="BehaviorsExperiment.Samples.InvokeActionsActivitySample"
       xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
       xmlns:ani="using:CommunityToolkit.WinUI.Animations"
       xmlns:behaviors="using:CommunityToolkit.WinUI.Behaviors"
       xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-      xmlns:interactions="using:Microsoft.Xaml.Interactions.Core"
       xmlns:interactivity="using:Microsoft.Xaml.Interactivity"
       xmlns:local="using:BehaviorsExperiment.Samples"
       xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -20,9 +19,9 @@
                               IsSequential="True">
                 <ani:StartAnimationActivity Animation="{Binding ElementName=FadeOutAnimation}" />
                 <ani:InvokeActionsActivity>
-                    <interactions:ChangePropertyAction PropertyName="Foreground"
-                                                       TargetObject="{Binding ElementName=MyText}"
-                                                       Value="Purple" />
+                    <interactivity:ChangePropertyAction PropertyName="Foreground"
+                                                        TargetObject="{Binding ElementName=MyText}"
+                                                        Value="Purple" />
                     <!--<mediaactions:PlaySoundAction Source="Assets/Llama.mp3"/>-->
                 </ani:InvokeActionsActivity>
                 <ani:StartAnimationActivity Animation="{Binding ElementName=FadeInAnimation}"
@@ -53,12 +52,12 @@
         </TextBlock>
 
         <interactivity:Interaction.Behaviors>
-            <interactions:EventTriggerBehavior EventName="Click">
-                <interactions:ChangePropertyAction PropertyName="Foreground"
-                                                   TargetObject="{Binding ElementName=MyText}"
-                                                   Value="White" />
+            <interactivity:EventTriggerBehavior EventName="Click">
+                <interactivity:ChangePropertyAction PropertyName="Foreground"
+                                                    TargetObject="{Binding ElementName=MyText}"
+                                                    Value="White" />
                 <behaviors:StartAnimationAction Animation="{Binding ElementName=MoveAnimation}" />
-            </interactions:EventTriggerBehavior>
+            </interactivity:EventTriggerBehavior>
         </interactivity:Interaction.Behaviors>
     </Button>
 </Page>

components/Behaviors/samples/KeyDownTriggerBehaviorSample.xaml

@@ -2,16 +2,15 @@
       xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
       xmlns:behaviors="using:CommunityToolkit.WinUI.Behaviors"
-      xmlns:core="using:Microsoft.Xaml.Interactions.Core"
       xmlns:interactivity="using:Microsoft.Xaml.Interactivity">
 
     <StackPanel MaxWidth="480"
                 Spacing="8">
         <TextBox PlaceholderText="Set the focus to this TextBox and press enter">
             <interactivity:Interaction.Behaviors>
                 <behaviors:KeyDownTriggerBehavior Key="Enter">
-                    <core:CallMethodAction MethodName="IncrementCount"
-                                           TargetObject="{x:Bind}" />
+                    <interactivity:CallMethodAction MethodName="IncrementCount"
+                                                    TargetObject="{x:Bind}" />
                 </behaviors:KeyDownTriggerBehavior>
             </interactivity:Interaction.Behaviors>
         </TextBox>

components/Behaviors/samples/NavigateToUriActionSample.xaml

@@ -2,14 +2,13 @@
       xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
       xmlns:behaviors="using:CommunityToolkit.WinUI.Behaviors"
-      xmlns:core="using:Microsoft.Xaml.Interactions.Core"
       xmlns:interactivity="using:Microsoft.Xaml.Interactivity">
 
     <Button Content="Click to navigate">
         <interactivity:Interaction.Behaviors>
-            <core:EventTriggerBehavior EventName="Click">
+            <interactivity:EventTriggerBehavior EventName="Click">
                 <behaviors:NavigateToUriAction NavigateUri="https://aka.ms/toolkit/windows" />
-            </core:EventTriggerBehavior>
+            </interactivity:EventTriggerBehavior>
         </interactivity:Interaction.Behaviors>
     </Button>
 </Page>

components/Behaviors/samples/StartAnimationActivitySample.xaml

@@ -5,7 +5,6 @@
       xmlns:ani="using:CommunityToolkit.WinUI.Animations"
       xmlns:behaviors="using:CommunityToolkit.WinUI.Behaviors"
       xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-      xmlns:interactions="using:Microsoft.Xaml.Interactions.Core"
       xmlns:interactivity="using:Microsoft.Xaml.Interactivity"
       xmlns:local="using:BehaviorsExperiment.Samples"
       xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -55,9 +54,9 @@
         </Image>
 
         <interactivity:Interaction.Behaviors>
-            <interactions:EventTriggerBehavior EventName="Click">
+            <interactivity:EventTriggerBehavior EventName="Click">
                 <behaviors:StartAnimationAction Animation="{Binding ElementName=MoveAnimation}" />
-            </interactions:EventTriggerBehavior>
+            </interactivity:EventTriggerBehavior>
         </interactivity:Interaction.Behaviors>
     </Button>
 </Page>

components/Behaviors/src/Dependencies.props

@@ -11,21 +11,21 @@
 <Project>
   <!-- WinUI 2 / UWP -->
   <ItemGroup Condition="'$(IsUwp)' == 'true'">
-    <PackageReference Include="Microsoft.Xaml.Behaviors.Uwp.Managed" Version="2.0.1"/>
+    <PackageReference Include="Microsoft.Xaml.Behaviors.Uwp.Managed" Version="3.0.0-preview2"/>
   </ItemGroup>
 
   <!-- WinUI 2 / Uno -->
   <ItemGroup Condition="'$(IsUno)' == 'true' AND '$(WinUIMajorVersion)' == '2'">
-    <PackageReference Include="Uno.Microsoft.Xaml.Behaviors.Uwp.Managed" Version="2.3.1-uno.2" />
+    <PackageReference Include="Uno.Microsoft.Xaml.Behaviors.Interactivity" Version="3.0.0-dev.17.g7c09b9114d" />
   </ItemGroup>
 
   <!-- WinUI 3 / WinAppSdk -->
   <ItemGroup Condition="'$(IsWinAppSdk)' == 'true'">
-    <PackageReference Include="Microsoft.Xaml.Behaviors.WinUI.Managed" Version="2.0.9" />
+    <PackageReference Include="Microsoft.Xaml.Behaviors.WinUI.Managed" Version="3.0.0-preview2" />
   </ItemGroup>
 
   <!-- WinUI 3 / Uno -->
   <ItemGroup Condition="'$(IsUno)' == 'true' AND '$(WinUIMajorVersion)' == '3'">
-    <PackageReference Include="Uno.Microsoft.Xaml.Behaviors.WinUI.Managed" Version="2.3.1-uno.2" />
+    <PackageReference Include="Uno.Microsoft.Xaml.Behaviors.Interactivity.WinUI" Version="3.0.0-dev.17.g7c09b9114d" />
   </ItemGroup>
 </Project>

components/CameraPreview/samples/CameraPreviewSample.xaml.cs

@@ -92,7 +92,7 @@ protected async override void OnNavigatedFrom(NavigationEventArgs e)
         await CleanUpAsync();
     }
 
-    private async void Application_Suspending(object sender, SuspendingEventArgs e)
+    private async void Application_Suspending(object? sender, SuspendingEventArgs e)
     {
         if (Frame?.CurrentSourcePageType == typeof(CameraPreviewSample))
         {
@@ -102,7 +102,7 @@ private async void Application_Suspending(object sender, SuspendingEventArgs e)
         }
     }
 
-    private async void Application_Resuming(object sender, object e)
+    private async void Application_Resuming(object? sender, object e)
     {
         if (CameraPreviewControl != null)
         {
@@ -113,19 +113,19 @@ private async void Application_Resuming(object sender, object e)
         }
     }
 
-    private void CameraPreviewControl_FrameArrived(object sender, FrameEventArgs e)
+    private void CameraPreviewControl_FrameArrived(object? sender, FrameEventArgs e)
     {
         _currentVideoFrame = e.VideoFrame;
     }
 
-    private void CameraPreviewControl_PreviewFailed(object sender, PreviewFailedEventArgs e)
+    private void CameraPreviewControl_PreviewFailed(object? sender, PreviewFailedEventArgs e)
     {
         ErrorBar.Message = e.Error;
         ErrorBar.IsOpen = true;
     }
 
 
-    private async void CaptureButton_Click(object sender, RoutedEventArgs e)
+    private async void CaptureButton_Click(object? sender, RoutedEventArgs e)
     {
         var softwareBitmap = _currentVideoFrame?.SoftwareBitmap;
 

components/ColorPicker/src/ColorPicker.cs

@@ -358,7 +358,7 @@ private void UpdateVisualState(bool useTransitions = true)
         VisualStateManager.GoToState(this, (Truth(IsColorPaletteVisible, IsColorSpectrumVisible, IsColorChannelTextInputVisible) <= 1) ? "ColorPanelSelectorCollapsed" : "ColorPanelSelectorVisible", useTransitions);
     }
 
-    public static int Truth(params bool[] booleans)
+    private static int Truth(params bool[] booleans)
     {
         return booleans.Count(b => b);
     }

components/ColorPicker/src/CommunityToolkit.WinUI.Controls.ColorPicker.csproj

@@ -30,4 +30,15 @@
       <_LayoutFile Remove="@(_LayoutFile)" Condition="$([System.String]::Copy(&quot;%(_LayoutFile.TargetPath)&quot;).StartsWith('CommunityToolkit.WinUI.Controls.Segmented\'))" />
     </ItemGroup>
   </Target>
+
+  <!-- 
+    Known platform issue
+    
+    error IL2059: Unrecognized value passed to the parameter 'type' of method
+    'System.Runtime.CompilerServices.RuntimeHelpers.RunClassConstructor(RuntimeTypeHandle)'.
+    It's not possible to guarantee the availability of the target static constructor. 
+  -->
+  <PropertyGroup>
+    <NoWarn>$(NoWarn)IL2059;</NoWarn>
+  </PropertyGroup>
 </Project>

components/Converters/src/ColorToDisplayNameConverter.cs

@@ -33,10 +33,11 @@ public object Convert(
             // Invalid color value provided
             return DependencyProperty.UnsetValue;
         }
-#if HAS_UNO
-        // ColorHelper.ToDisplayName not yet supported on Uno Platform.
-        // Track https://github.com/unoplatform/uno/issues/18004
-        return "Not supported";
+
+#if WINDOWS_UWP && NET8_0_OR_GREATER
+        // Windows.UI.ColorHelper not yet supported on modern uwp.
+        // Following advice from Sergio0694
+        return color.ToString();
 #elif WINUI2
         return Windows.UI.ColorHelper.ToDisplayName(color);
 #elif WINUI3

components/Converters/src/ResourceNameToResourceStringConverter.cs

@@ -32,17 +32,18 @@ public sealed partial class ResourceNameToResourceStringConverter : IValueConver
     /// <param name="parameter">Optional parameter. Not used.</param>
     /// <param name="language">The language of the conversion.</param>
     /// <returns>The string corresponding to the resource name.</returns>
-    public object Convert(object value, Type targetType, object parameter, string language)
+    public object? Convert(object value, Type targetType, object parameter, string language)
     {
-        if (value == null)
+        var stringValue = value?.ToString();
+        if (stringValue is null)
         {
             return string.Empty;
         }
 
 #if WINAPPSDK && !HAS_UNO
-        return _resourceManager.MainResourceMap.TryGetValue(value.ToString()).ValueAsString;
+        return _resourceManager.MainResourceMap.TryGetValue(stringValue).ValueAsString;
 #else
-        return _resourceLoader.GetString(value.ToString());
+        return _resourceLoader.GetString(stringValue);
 #endif
     }
 

components/Extensions/src/Text/StringExtensions.Localization.cs

@@ -49,7 +49,7 @@ static StringExtensions()
     /// You can retrieve this from a UIElement.UIContext, XamlRoot.UIContext (XamlIslands), or Window.UIContext.</param>
     /// <returns>string value for given resource or empty string if not found.</returns>
     ////[SupportedOSPlatform("Windows10.0.18362.0")]
-    public static string GetViewLocalized(this string resourceKey, UIContext? uiContext = null)
+    public static string? GetViewLocalized(this string resourceKey, UIContext? uiContext = null)
     {
         if (uiContext != null)
         {

components/Extensions/src/Tree/FrameworkElementExtensions.LogicalTree.cs

@@ -662,6 +662,9 @@ public static IEnumerable<FrameworkElement> FindParents(this FrameworkElement el
     /// </summary>
     /// <param name="element">The parent element.</param>
     /// <returns>The retrieved content control, or <see langword="null"/> if not available.</returns>
+    #if NET8_0_OR_GREATER
+    [System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2075", Justification = "This method is currently not safe for trimming, and annotations here wouldn't help.")]
+    #endif
     public static UIElement? GetContentControl(this FrameworkElement element)
     {
         Type type = element.GetType();

components/ImageCropper/src/ImageCropper.Helpers.cs

@@ -36,7 +36,20 @@ private static async Task CropImageAsync(WriteableBitmap writeableBitmap, IRando
         using (var sourceStream = writeableBitmap.PixelBuffer.AsStream())
         {
             var buffer = new byte[sourceStream.Length];
-            await sourceStream.ReadAsync(buffer, 0, buffer.Length);
+            var pos = 0;
+
+            while (pos < buffer.Length)
+            {
+                var remaining = buffer.Length - pos;
+                var read = await sourceStream.ReadAsync(buffer, pos, remaining);
+                if (read == 0)
+                {
+                    break;
+                }
+
+                pos += read;
+            }
+
             var bitmapEncoder = await BitmapEncoder.CreateAsync(GetEncoderId(bitmapFileFormat), stream);
             bitmapEncoder.SetPixelData(BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied, (uint)writeableBitmap.PixelWidth, (uint)writeableBitmap.PixelHeight, 96.0, 96.0, buffer);
             bitmapEncoder.BitmapTransform.Bounds = new BitmapBounds

components/Media/samples/BlurEffectAnimationSample.xaml

@@ -3,7 +3,6 @@
       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
       xmlns:ani="using:CommunityToolkit.WinUI.Animations"
       xmlns:behaviors="using:CommunityToolkit.WinUI.Behaviors"
-      xmlns:interactions="using:Microsoft.Xaml.Interactions.Core"
       xmlns:interactivity="using:Microsoft.Xaml.Interactivity"
       xmlns:media="using:CommunityToolkit.WinUI.Media">
 
@@ -38,9 +37,9 @@
         </ani:Explicit.Animations>
 
         <interactivity:Interaction.Behaviors>
-            <interactions:EventTriggerBehavior EventName="Loaded">
+            <interactivity:EventTriggerBehavior EventName="Loaded">
                 <behaviors:StartAnimationAction Animation="{x:Bind BlurAnimation}" />
-            </interactions:EventTriggerBehavior>
+            </interactivity:EventTriggerBehavior>
         </interactivity:Interaction.Behaviors>
     </Border>
 </Page>

components/Media/samples/ColorEffectAnimationSample.xaml

@@ -3,7 +3,6 @@
       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
       xmlns:ani="using:CommunityToolkit.WinUI.Animations"
       xmlns:behaviors="using:CommunityToolkit.WinUI.Behaviors"
-      xmlns:interactions="using:Microsoft.Xaml.Interactions.Core"
       xmlns:interactivity="using:Microsoft.Xaml.Interactivity"
       xmlns:media="using:CommunityToolkit.WinUI.Media">
 
@@ -38,9 +37,9 @@
         </ani:Explicit.Animations>
 
         <interactivity:Interaction.Behaviors>
-            <interactions:EventTriggerBehavior EventName="Loaded">
+            <interactivity:EventTriggerBehavior EventName="Loaded">
                 <behaviors:StartAnimationAction Animation="{x:Bind ColorAnimation}" />
-            </interactions:EventTriggerBehavior>
+            </interactivity:EventTriggerBehavior>
         </interactivity:Interaction.Behaviors>
     </Border>
 

components/Media/samples/CrossFadeEffectAnimationSample.xaml

@@ -3,7 +3,6 @@
       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
       xmlns:ani="using:CommunityToolkit.WinUI.Animations"
       xmlns:behaviors="using:CommunityToolkit.WinUI.Behaviors"
-      xmlns:interactions="using:Microsoft.Xaml.Interactions.Core"
       xmlns:interactivity="using:Microsoft.Xaml.Interactivity"
       xmlns:media="using:CommunityToolkit.WinUI.Media">
 
@@ -43,9 +42,9 @@
         </ani:Explicit.Animations>
 
         <interactivity:Interaction.Behaviors>
-            <interactions:EventTriggerBehavior EventName="Loaded">
+            <interactivity:EventTriggerBehavior EventName="Loaded">
                 <behaviors:StartAnimationAction Animation="{x:Bind CrossFadeAnimation}" />
-            </interactions:EventTriggerBehavior>
+            </interactivity:EventTriggerBehavior>
         </interactivity:Interaction.Behaviors>
     </Border>
 </Page>