Added Essentials AppActions

samples/ControlGallery/ControlGallery/MainPage.xaml.cs

@@ -104,6 +104,7 @@ public partial class MainPage : FlyoutPage
         [typeof(ScreenshotPage)] = () => new ScreenshotPage(),
         [typeof(PreferencesPage)] = () => new PreferencesPage(),
         [typeof(FilePickerPage)] = () => new FilePickerPage(),
+        [typeof(AppActionsPage)] = () => new AppActionsPage(),
         // Settings
         [typeof(ThemePage)] = () => new ThemePage(),
         // Embedding
@@ -282,9 +283,10 @@ private void InitializeSamples()
 
             new SampleGroup("Essentials", new List<SampleItem>
             {
+                new("App Actions", "Add custom actions to your app", typeof(AppActionsPage)),
                 new("File Picker", "Pick files from the device", typeof(FilePickerPage)),
                 new("Preferences", "Key/value storage for app settings", typeof(PreferencesPage)),
-                new("Screenshot", "Capture window screenshots", typeof(ScreenshotPage)),
+                new("Screenshot", "Capture window screenshots", typeof(ScreenshotPage))           
             }),
 
             new SampleGroup("Embedding", new List<SampleItem>

samples/ControlGallery/ControlGallery/Pages/AppActionsPage.xaml

@@ -0,0 +1,44 @@
+<ContentPage x:Class="ControlGallery.Pages.AppActionsPage"
+             Title="AppActions">
+
+    <VerticalStackLayout Padding="20" Spacing="12">
+
+        <!-- Entry for new action -->
+        <Entry x:Name="ActionTitleEntry"
+               Placeholder="Enter action title" />
+
+        <Entry x:Name="ActionIdEntry"
+               Placeholder="Enter action ID" />
+
+        <!-- Buttons -->
+        <HorizontalStackLayout Spacing="10">
+            <Button x:Name="AddActionbutton" Text="Add Action"
+                    Clicked="OnAddClicked" />
+
+            <Button x:Name="RemoveSelectedButton" Text="Remove Selected"
+                    Clicked="OnRemoveClicked" />
+        </HorizontalStackLayout>
+
+        <!-- List of actions -->
+        <CollectionView x:Name="ActionsList"
+                        SelectionMode="Single"
+                        HeightRequest="250">
+            <CollectionView.ItemTemplate>
+                <DataTemplate>
+                    <Border Stroke="Gray" Padding="10" Margin="5">
+                        <VerticalStackLayout>
+                            <Label Text="{Binding Title}" FontAttributes="Bold"/>
+                            <Label Text="{Binding Id}" FontSize="12"/>
+                        </VerticalStackLayout>
+                    </Border>
+                </DataTemplate>
+            </CollectionView.ItemTemplate>
+        </CollectionView>
+
+        <!-- Last triggered action -->
+        <Label x:Name="LastActionLabel"
+               Text="Last triggered: None"
+               FontAttributes="Italic" />
+
+    </VerticalStackLayout>
+</ContentPage>

samples/ControlGallery/ControlGallery/Pages/AppActionsPage.xaml.cs

@@ -0,0 +1,86 @@
+using System.Collections.ObjectModel;
+
+namespace ControlGallery.Pages;
+
+public partial class AppActionsPage : ContentPage
+{
+    private ObservableCollection<AppAction> _actions = new();
+
+    public AppActionsPage()
+    {
+        InitializeComponent();
+
+        if (!AppActions.Current.IsSupported)
+        {
+            AddActionbutton.IsEnabled = false;
+            RemoveSelectedButton.IsEnabled = false;
+        }
+
+        ActionsList.ItemsSource = _actions;
+    }
+
+    private async void OnAddClicked(object sender, EventArgs e)
+    {
+        if (string.IsNullOrWhiteSpace(ActionTitleEntry.Text) ||
+            string.IsNullOrWhiteSpace(ActionIdEntry.Text))
+            return;
+
+        _actions.Add(new AppAction(ActionIdEntry.Text, ActionTitleEntry.Text));
+
+        try
+        {
+            await AppActions.Current.SetAsync(_actions);
+        }
+        catch (Exception ex)
+        {
+            await DisplayAlert("Error", ex.Message, "OK");
+        }
+
+        ActionTitleEntry.Text = string.Empty;
+        ActionIdEntry.Text = string.Empty;
+    }
+
+    private async void OnRemoveClicked(object sender, EventArgs e)
+    {
+        if (ActionsList.SelectedItem is AppAction selected)
+        {
+            _actions.Remove(selected);
+
+            try
+            {
+                await AppActions.Current.SetAsync(_actions);
+            }
+            catch (Exception ex)
+            {
+                await DisplayAlert("Error", ex.Message, "OK");
+            }
+        }
+    }
+
+    private void OnAppActionActivated(object? sender, AppActionEventArgs e)
+    {
+        Dispatcher.Dispatch(async () =>
+        {
+            LastActionLabel.Text = $"Last triggered: {e.AppAction.Title} ({e.AppAction.Id})";
+
+            await Task.Delay(5000);
+
+            LastActionLabel.Text = "Last triggered: None";
+        });
+    }
+
+    protected override void OnAppearing()
+    {
+        base.OnAppearing();
+
+        AppActions.Current.AppActionActivated += OnAppActionActivated;        
+    }
+
+    protected override void OnDisappearing()
+    {
+        base.OnDisappearing();
+
+        // Avoid memory leaks
+        AppActions.Current.AppActionActivated -= OnAppActionActivated;
+    }
+}

src/Avalonia.Controls.Maui.Essentials/AppActions/AvaloniaAppActions.Browser.cs

@@ -0,0 +1,12 @@
+using Microsoft.Maui.ApplicationModel;
+
+namespace Avalonia.Controls.Maui.Essentials
+{
+    partial class AvaloniaAppActions
+    {
+        public bool PlatformIsSupported() => false;
+
+        public Task<bool> PlatformSetAsync(IEnumerable<AppAction> actions) =>
+            throw new FeatureNotSupportedException();
+    }
+}