Implemented Essentials Launcher and Browser#172
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Pull request overview
Adds Avalonia-based implementations of MAUI Essentials Launcher and Browser services (desktop + WASM), wires them into the Essentials builder, and provides ControlGallery samples plus basic unit tests.
Changes:
- Register
AvaloniaLauncherandAvaloniaBrowserviaUseAvaloniaEssentials. - Implement desktop (
Process.Start+UseShellExecute) and browser/WASM (window.open()via JSImport) backends. - Add ControlGallery pages and basic tests for the new services.
Reviewed changes
Copilot reviewed 16 out of 16 changed files in this pull request and generated 6 comments.
Show a summary per file
| File | Description |
|---|---|
| tests/Avalonia.Controls.Maui.Essentials.Tests/AvaloniaLauncherTests.cs | Adds scheme support and null request tests for AvaloniaLauncher. |
| tests/Avalonia.Controls.Maui.Essentials.Tests/AvaloniaBrowserTests.cs | Adds a basic construction test for AvaloniaBrowser. |
| src/Avalonia.Controls.Maui.Essentials/MauiEssentialsBuilderExtensions.cs | Registers Browser/Launcher defaults in the builder extension. |
| src/Avalonia.Controls.Maui.Essentials/Launcher/LauncherInterop.Browser.cs | Adds JSImport binding for window.open. |
| src/Avalonia.Controls.Maui.Essentials/Launcher/AvaloniaLauncher.cs | Introduces the cross-platform ILauncher implementation + partial platform hooks. |
| src/Avalonia.Controls.Maui.Essentials/Launcher/AvaloniaLauncher.Default.cs | Desktop launcher implementation using Process.Start. |
| src/Avalonia.Controls.Maui.Essentials/Launcher/AvaloniaLauncher.Browser.cs | WASM launcher implementation using JS interop. |
| src/Avalonia.Controls.Maui.Essentials/Browser/AvaloniaBrowser.cs | Introduces the cross-platform IBrowser implementation + partial platform hook. |
| src/Avalonia.Controls.Maui.Essentials/Browser/AvaloniaBrowser.Default.cs | Desktop browser implementation using Process.Start. |
| src/Avalonia.Controls.Maui.Essentials/Browser/AvaloniaBrowser.Browser.cs | WASM browser implementation using JS interop. |
| samples/ControlGallery/ControlGallery/Pages/LauncherPage.xaml.cs | Adds Launcher sample UI logic. |
| samples/ControlGallery/ControlGallery/Pages/LauncherPage.xaml | Adds Launcher sample UI layout. |
| samples/ControlGallery/ControlGallery/Pages/BrowserPage.xaml.cs | Adds Browser sample UI logic. |
| samples/ControlGallery/ControlGallery/Pages/BrowserPage.xaml | Adds Browser sample UI layout. |
| samples/ControlGallery/ControlGallery/MainPage.xaml.cs | Adds Browser/Launcher samples to the gallery navigation and list. |
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Apr 27, 2026
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https://docs.avaloniaui.net/docs/services/launcher
Avalonia has launcher functions that can bind these; we don't need to split between platforms here.
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Changes:
ILauncher): Opens URIs via the OS default handler. Desktop usesProcess.Startwith UseShellExecute, browser useswindow.open()via [JSImport]. Supports CanOpenAsync, OpenAsync, TryOpenAsync, and OpenAsync(OpenFileRequest).IBrowser): Opens URLs in the system browser.Process.Startresult on desktop,window.open()return on WASM (also detects popup blockers).