Xamarin.Forms Migration

Use this skill to move a Xamarin.Forms app to .NET MAUI without blindly copying obsolete patterns. Treat migration as an audit and phased rebuild on a fresh MAUI project unless the user explicitly needs a small tactical port.

Response Checklist

• Call out the migration audit first (DependencyService, MessagingCenter, custom renderers/effects, permissions, and platform capabilities).
• Prefer a fresh MAUI project workflow and MauiProgram.cs DI setup.
• Explicitly classify renderer replacements into mapper customization, custom handler, platform service, or slim binding.

Migration Tooling

Before migrating manually, check whether the .NET Upgrade Assistant can cover the mechanical parts of the app: