Update to .NET 9

Author: TheCodeTraveler

.github/workflows/maui.yml

@@ -15,10 +15,10 @@ jobs:
     steps:
       - uses: actions/checkout@v1
 
-      - name: Setup .NET v8.0
+      - name: Setup .NET v9.0
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: "8.0.x"
+          dotnet-version: "9.0.x"
 
       - name: Install .NET MAUI Workload
         run: |
@@ -30,18 +30,18 @@ jobs:
 
       - name: Build Android App
         run: |
-          dotnet build ./src -f net8.0-android
+          dotnet build ./src -f net9.0-android
 
   Build_iOS:
     runs-on: macos-14
 
     steps:
       - uses: actions/checkout@v1
 
-      - name: Setup .NET v8.0
+      - name: Setup .NET v9.0
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: "8.0.x"
+          dotnet-version: "9.0.x"
 
       - name: Install .NET MAUI Workload
         run: |
@@ -58,18 +58,18 @@ jobs:
 
       - name: Build iOS App
         run: |
-          dotnet build ./src -f net8.0-ios
+          dotnet build ./src -f net9.0-ios
           
   Build_MacCatalyst:
     runs-on: macos-14
 
     steps:
       - uses: actions/checkout@v1
 
-      - name: Setup .NET v8.0
+      - name: Setup .NET v9.0
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: "8.0.x"
+          dotnet-version: "9.0.x"
 
       - name: Install .NET MAUI Workload
         run: |
@@ -86,7 +86,7 @@ jobs:
 
       - name: Build macOS App
         run: |
-          dotnet build ./src -f net8.0-maccatalyst
+          dotnet build ./src -f net9.0-maccatalyst
 
   Build_Windows:
     runs-on: windows-latest
@@ -97,12 +97,12 @@ jobs:
       - uses: actions/setup-java@v2
         with:
           distribution: 'microsoft'
-          java-version: '11'
+          java-version: '17'
 
-      - name: Setup .NET v8.0
+      - name: Setup .NET v9.0
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: "8.0.x"
+          dotnet-version: "9.0.x"
 
       - name: Install .NET MAUI Workload
         run: |

src/Directory.Build.props

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <Nullable>enable</Nullable>
     <NoWarn>NETSDK1023</NoWarn>
-    <NetVersion>net8.0</NetVersion>
+    <NetVersion>net9.0</NetVersion>
     <LangVersion>latest</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
     <WarningsAsErrors>nullable</WarningsAsErrors>

src/HackerNews/App.cs

@@ -1,12 +1,15 @@
-using CommunityToolkit.Maui.Markup;
-using Microsoft.Maui.Controls;
+using CommunityToolkit.Maui.Markup;
 
 namespace HackerNews;
 
 class App : Application
 {
-	public App(AppShell appshell)
+	readonly AppShell _appShell;
+	
+	public App(AppShell appShell)
 	{
+		_appShell = appShell;
+		
 		Resources = new ResourceDictionary()
 		{
 			new Style<Shell>(
@@ -21,7 +24,7 @@ public App(AppShell appshell)
 				(NavigationPage.BarTextColorProperty, ColorConstants.NavigationBarTextColor),
 				(NavigationPage.BarBackgroundColorProperty, ColorConstants.NavigationBarBackgroundColor)).ApplyToDerivedTypes(true)
 		};
-
-		MainPage = appshell;
 	}
+
+	protected override Window CreateWindow(IActivationState? activationState) => new(_appShell);
 }

src/HackerNews/HackerNews.csproj

@@ -16,9 +16,9 @@
 
     <ApplicationVersion>1</ApplicationVersion>
 
-    <SupportedOSPlatformVersion Condition="$(TargetFramework.Contains('-ios'))">14.2</SupportedOSPlatformVersion>
-    <SupportedOSPlatformVersion Condition="$(TargetFramework.Contains('-maccatalyst'))">14.0</SupportedOSPlatformVersion>
-    <SupportedOSPlatformVersion Condition="$(TargetFramework.Contains('-android'))">21.0</SupportedOSPlatformVersion>
+    <SupportedOSPlatformVersion Condition="$(TargetFramework.Contains('-ios'))">17.0</SupportedOSPlatformVersion>
+    <SupportedOSPlatformVersion Condition="$(TargetFramework.Contains('-maccatalyst'))">15.0</SupportedOSPlatformVersion>
+    <SupportedOSPlatformVersion Condition="$(TargetFramework.Contains('-android'))">25.0</SupportedOSPlatformVersion>
     <SupportedOSPlatformVersion Condition="$(TargetFramework.Contains('-windows'))">10.0.17763.0</SupportedOSPlatformVersion>
     <TargetPlatformMinVersion Condition="$(TargetFramework.Contains('-windows'))">10.0.17763.0</TargetPlatformMinVersion>
 

src/HackerNews/Pages/ShellRenderer.macios.cs

@@ -419,7 +419,8 @@ public override CGRect Frame
 
 	public override void LayoutSubviews()
 	{
-		if (Height is null or 0)
+		if (Height is null or 0 
+		    && Superview is not null)
 		{
 			UpdateFrame(Superview);
 		}

src/global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "8.0.100",
+    "version": "9.0.203",
     "rollForward": "latestFeature"
   }
 }