C# + Avalonia UI Cross-Platform Development

Guidelines for building cross-platform applications with .NET and Avalonia UI targeting Windows, macOS, Linux, iOS, Android, and WebAssembly.

Project Setup

Prerequisites

• .NET SDK 8.0+ (dotnet --version)
• Avalonia templates: dotnet new install Avalonia.Templates

Scaffolding

# Create solution with MVVM pattern (recommended)
dotnet new avalonia.mvvm -o MyApp
cd MyApp

# Or with full cross-platform targets
dotnet new avalonia.xplat -o MyApp