Community Feed entries from David Britch on MAUIverse.https://mauiverse.net/https://mauiverse.net/community-feed/2025/11/image-detection-dotnet-maui/https://mauiverse.net/community-feed/2025/11/image-detection-dotnet-maui/David Britch continues his ARKit series by detecting known images in a live scene from a .NET MAUI app on iOS. Learn how to register reference images and overlay content that tracks them in real time.Mon, 03 Nov 2025 00:00:00 GMThttps://mauiverse.net/community-feed/2025/10/body-tracking-dotnet-maui/https://mauiverse.net/community-feed/2025/10/body-tracking-dotnet-maui/David Britch shows how to track a human body and its joints in a live AR scene from a .NET MAUI app on iOS. It's a practical look at ARKit's skeleton tracking rendered with SceneKit.Tue, 28 Oct 2025 00:00:00 GMThttps://mauiverse.net/community-feed/2025/10/facial-expression-identification-dotnet-maui/https://mauiverse.net/community-feed/2025/10/facial-expression-identification-dotnet-maui/David Britch uses ARKit's blend shapes to detect facial expressions like blinks, smiles, and tongue-out in a .NET MAUI app on iOS. See how a coarse face mesh becomes a hook for gaze tracking and emotion recognition.Tue, 21 Oct 2025 00:00:00 GMThttps://mauiverse.net/community-feed/2025/10/face-detection-dotnet-maui/https://mauiverse.net/community-feed/2025/10/face-detection-dotnet-maui/David Britch configures an ARKit face tracking session in a .NET MAUI app on iOS and overlays a live 3D mesh that follows the face. It's the groundwork for effects like virtual glasses try-on.Mon, 13 Oct 2025 00:00:00 GMThttps://mauiverse.net/community-feed/2025/09/animating-augmented-reality-content-dotnet-maui/https://mauiverse.net/community-feed/2025/09/animating-augmented-reality-content-dotnet-maui/David Britch adds a spinning globe to an AR scene in a .NET MAUI app on iOS and keeps it interactive with gestures. Learn how SCNAction animations combine with tap, pinch, and rotate handling.Thu, 04 Sep 2025 00:00:00 GMThttps://mauiverse.net/community-feed/2025/09/interacting-with-augmented-reality-content-dotnet-maui/https://mauiverse.net/community-feed/2025/09/interacting-with-augmented-reality-content-dotnet-maui/David Britch overlays an image on an AR scene in a .NET MAUI app on iOS and makes it respond to touch. Learn to move, scale, and remove nodes with tap, pinch, and pan gestures.Tue, 02 Sep 2025 00:00:00 GMThttps://mauiverse.net/community-feed/2025/08/augmented-reality-basics-dotnet-maui/https://mauiverse.net/community-feed/2025/08/augmented-reality-basics-dotnet-maui/David Britch builds a basic AR app in .NET MAUI on iOS, overlaying a 3D cube on the camera feed using ARKit and SceneKit behind a custom handler. It's the foundation for his whole ARKit series.Wed, 20 Aug 2025 00:00:00 GMThttps://mauiverse.net/community-feed/2025/07/performing-convolution-in-skiasharp/https://mauiverse.net/community-feed/2025/07/performing-convolution-in-skiasharp/David Britch performs fast image convolution in SkiaSharp using CreateMatrixConvolution for blur, sharpen, emboss, and edge detection in a .NET MAUI app. Learn why the built-in filter beats a hand-rolled O(N²) loop for arbitrary kernel sizes.Mon, 28 Jul 2025 00:00:00 GMThttps://mauiverse.net/community-feed/2025/07/getting-pixel-data-with-skiasharp/https://mauiverse.net/community-feed/2025/07/getting-pixel-data-with-skiasharp/David Britch explains the fastest ways to read and write raw pixel data with SkiaSharp in a .NET MAUI app, with greyscale, sepia, and thresholding examples. Learn why SKBitmap beats SKImage for pixel access and how RGBA layout differs per platform.Thu, 24 Jul 2025 00:00:00 GMThttps://mauiverse.net/community-feed/2025/07/skiasharp-and-mvvm/https://mauiverse.net/community-feed/2025/07/skiasharp-and-mvvm/David Britch shows how to move SkiaSharp drawing code out of a view's code-behind and into a service consumed by a view model in .NET MAUI. Learn to subclass SKCanvasView with a bindable renderer property for clean MVVM.Tue, 22 Jul 2025 00:00:00 GMThttps://mauiverse.net/community-feed/2022/09/playing-local-audio-files-dotnet-maui/https://mauiverse.net/community-feed/2022/09/playing-local-audio-files-dotnet-maui/David Britch fixes file picking for his cross-platform .NET MAUI audio control so users can select local audio on iOS, Android, and Mac Catalyst. Learn the platform-specific FilePicker file type quirks that make it work.Wed, 28 Sep 2022 00:00:00 GMThttps://mauiverse.net/community-feed/2022/09/playing-audio-dotnet-maui/https://mauiverse.net/community-feed/2022/09/playing-audio-dotnet-maui/David Britch builds a cross-platform .NET MAUI Audio control using native players on Android, iOS, Mac Catalyst, and Windows. Learn the handler architecture behind playing remote, embedded, and local audio.Fri, 23 Sep 2022 00:00:00 GMThttps://mauiverse.net/community-feed/2022/09/playing-video-dotnet-maui-on-windows/https://mauiverse.net/community-feed/2022/09/playing-video-dotnet-maui-on-windows/David Britch completes his cross-platform .NET MAUI Video control by adding Windows support via the WinAppSDK 1.2 MediaPlayerElement. Learn how the Windows player fits the handler-based architecture.Fri, 16 Sep 2022 00:00:00 GMThttps://mauiverse.net/community-feed/2022/08/behaviors-library-dotnet-maui/https://mauiverse.net/community-feed/2022/08/behaviors-library-dotnet-maui/David Britch resurrects his Blend-style behaviors library for .NET MAUI, letting you invoke commands, methods, property changes, and animations from XAML. Learn how behaviors and actions eliminate boilerplate code-behind.Mon, 01 Aug 2022 00:00:00 GMThttps://mauiverse.net/community-feed/2022/07/display-map-dotnet-maui/https://mauiverse.net/community-feed/2022/07/display-map-dotnet-maui/David Britch builds a simple cross-platform Map control for .NET MAUI backed by native map views on Android and iOS/Mac Catalyst. It's a beginner-friendly example of writing your own handler-based control.Fri, 29 Jul 2022 00:00:00 GMThttps://mauiverse.net/community-feed/2022/07/playing-video-dotnet-maui/https://mauiverse.net/community-feed/2022/07/playing-video-dotnet-maui/David Britch builds a cross-platform Video control for .NET MAUI using AVPlayer on iOS/Mac Catalyst and VideoView on Android. Learn the handler architecture behind playing remote, embedded, and local video.Thu, 28 Jul 2022 00:00:00 GMThttps://mauiverse.net/community-feed/2022/01/implicit-usings-dotnet-maui/https://mauiverse.net/community-feed/2022/01/implicit-usings-dotnet-maui/David Britch explains how .NET MAUI Preview 11 uses implicit usings to drop the boilerplate using statements at the top of every file. Learn which namespaces come for free across MAUI, Android, iOS, and macOS projects.Thu, 06 Jan 2022 00:00:00 GMThttps://mauiverse.net/community-feed/2021/11/invoke-platform-code-dotnet-maui/https://mauiverse.net/community-feed/2021/11/invoke-platform-code-dotnet-maui/David Britch shows the modern way to call native platform code from cross-platform .NET MAUI, replacing Xamarin.Forms' DependencyService with partial classes and multi-targeting. Learn how the compiler stitches platform implementations together at build time.Fri, 12 Nov 2021 00:00:00 GMT