feat.airapp sdk

LanMountainDesktop.AirAppTemplate/templates/component/MyWidget.cs

@@ -0,0 +1,81 @@
+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");
+    }
+}