feat.airapp sdk

LanMountainDesktop.AirAppTemplate/templates/component/.template.config/template.json

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+{
+  "$schema": "http://json.schemastore.org/template",
+  "author": "LanMountainDesktop Team",
+  "classifications": ["LanMountainDesktop", "AirApp", "Component"],
+  "identity": "LanMountainDesktop.AirApp.Component",
+  "name": "LanMountainDesktop AirApp - Desktop Component",
+  "shortName": "lmd-airapp-component",
+  "tags": {
+    "language": "C#",
+    "type": "project"
+  },
+  "sourceName": "LanMountainDesktop.AirApp.ComponentTemplate",
+  "preferNameDirectory": true,
+  "symbols": {
+    "ComponentId": {
+      "type": "parameter",
+      "datatype": "string",
+      "defaultValue": "my-widget",
+      "replaces": "my-widget",
+      "description": "The unique identifier for the component"
+    },
+    "ComponentName": {
+      "type": "parameter",
+      "datatype": "string",
+      "defaultValue": "My Widget",
+      "replaces": "My Widget",
+      "description": "The display name for the component"
+    },
+    "AuthorName": {
+      "type": "parameter",
+      "datatype": "string",
+      "defaultValue": "Your Name",
+      "replaces": "Your Name",
+      "description": "The author name"
+    }
+  }
+}

LanMountainDesktop.AirAppTemplate/templates/component/LanMountainDesktop.AirApp.ComponentTemplate.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <LangVersion>preview</LangVersion>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="LanMountainDesktop.AirAppSdk" Version="6.0.0" />
+  </ItemGroup>
+
+  <!-- Include airapp.json in output -->
+  <ItemGroup>
+    <None Update="airapp.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+</Project>

LanMountainDesktop.AirAppTemplate/templates/component/MyAirApp.cs

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+using LanMountainDesktop.AirAppSdk;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+namespace LanMountainDesktop.AirApp.ComponentTemplate;
+
+/// <summary>
+/// AirApp entry point.
+/// </summary>
+[AirAppEntrance]
+public sealed class MyAirApp : AirAppBase
+{
+    public override void Initialize(HostBuilderContext context, IServiceCollection services)
+    {
+        // Register the desktop component
+        services.AddAirAppComponent<MyWidget>(
+            "my-widget",
+            "My Widget",
+            options =>
+            {
+                options.Description = "A sample desktop component";
+                options.DefaultWidth = 2;
+                options.DefaultHeight = 2;
+                options.ResizeMode = AirAppComponentResizeMode.Both;
+                options.Category = "Custom";
+                options.IconKey = "AppGeneric";
+            });
+    }
+
+    public override Task OnStartedAsync(IAirAppRuntimeContext context)
+    {
+        context.Logger.Info("My AirApp started successfully!");
+        return Task.CompletedTask;
+    }
+
+    public override Task OnStoppingAsync()
+    {
+        return Task.CompletedTask;
+    }
+}

LanMountainDesktop.AirAppTemplate/templates/component/MyWidget.cs

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+using Avalonia.Controls;
+using Avalonia.Layout;
+using Avalonia.Media;
+using Avalonia.Threading;
+using LanMountainDesktop.AirAppSdk;
+
+namespace LanMountainDesktop.AirApp.ComponentTemplate;
+
+/// <summary>
+/// Desktop component widget implementation.
+/// </summary>
+public sealed class MyWidget : AirAppWidgetBase
+{
+    private readonly TextBlock _titleText;
+    private readonly TextBlock _timeText;
+    private readonly DispatcherTimer _timer;
+
+    public MyWidget()
+    {
+        // Create UI
+        _titleText = new TextBlock
+        {
+            Text = "My Widget",
+            FontSize = 16,
+            FontWeight = FontWeight.Bold,
+            HorizontalAlignment = HorizontalAlignment.Center
+        };
+
+        _timeText = new TextBlock
+        {
+            FontSize = 24,
+            HorizontalAlignment = HorizontalAlignment.Center,
+            VerticalAlignment = VerticalAlignment.Center
+        };
+
+        var panel = new StackPanel
+        {
+            Spacing = 8,
+            HorizontalAlignment = HorizontalAlignment.Center,
+            VerticalAlignment = VerticalAlignment.Center
+        };
+        panel.Children.Add(_titleText);
+        panel.Children.Add(_timeText);
+
+        Content = panel;
+
+        // Setup timer to update time
+        _timer = new DispatcherTimer
+        {
+            Interval = TimeSpan.FromSeconds(1)
+        };
+        _timer.Tick += (s, e) => UpdateTime();
+    }
+
+    protected override void OnAttachedCore()
+    {
+        Context.Logger.Info($"Widget attached: {Context.ComponentId} at {Context.PlacementId}");
+        UpdateTime();
+        _timer.Start();
+    }
+
+    protected override void OnDetachedCore()
+    {
+        Context.Logger.Info($"Widget detached: {Context.ComponentId}");
+        _timer.Stop();
+    }
+
+    protected override void OnAppearanceChangedCore(AirAppAppearanceSnapshot snapshot)
+    {
+        // Respond to theme changes
+        _titleText.Foreground = new SolidColorBrush(snapshot.ForegroundColor);
+        _timeText.Foreground = new SolidColorBrush(snapshot.AccentColor);
+
+        Context.Logger.Info($"Appearance changed: DarkMode={snapshot.IsDarkMode}");
+    }
+
+    private void UpdateTime()
+    {
+        _timeText.Text = DateTime.Now.ToString("HH:mm:ss");
+    }
+}

LanMountainDesktop.AirAppTemplate/templates/component/README.md

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+# LanMountainDesktop.AirApp.ComponentTemplate
+
+A desktop component AirApp for LanMountainDesktop.
+
+## Build
+
+```bash
+dotnet build -c Release
+```
+
+This will produce a `.laapp` package in `bin/Release/net10.0/`.
+
+## Install
+
+Copy the `.laapp` file to LanMountainDesktop's plugins directory or install via the AirApp Market.
+
+## Development
+
+To test your component during development:
+
+1. Build the project
+2. Run LanMountainDesktop with debug mode:
+   ```bash
+   dotnet run --project path/to/LanMountainDesktop.csproj -- --debug-airapp path/to/your/bin/Debug/net10.0
+   ```
+
+## Customize
+
+- Edit `MyWidget.cs` to modify the component UI and behavior
+- Edit `airapp.json` to change metadata
+- Add more components by creating additional widget classes and registering them in `MyAirApp.cs`

LanMountainDesktop.AirAppTemplate/templates/component/airapp.json

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+{
+  "id": "com.example.LanMountainDesktop.AirApp.ComponentTemplate",
+  "name": "LanMountainDesktop.AirApp.ComponentTemplate",
+  "version": "1.0.0",
+  "apiVersion": "6.0.0",
+  "author": "Your Name",
+  "description": "A desktop component AirApp for LanMountainDesktop",
+  "entranceAssembly": "LanMountainDesktop.AirApp.ComponentTemplate.dll",
+  "runtime": {
+    "mode": "in-process",
+    "capabilities": ["desktop-component"]
+  },
+  "components": [
+    {
+      "id": "my-widget",
+      "name": "My Widget",
+      "defaultWidth": 2,
+      "defaultHeight": 2
+    }
+  ]
+}