Xamarin misc

Docs [https://docs.microsoft.com/xamarin]

Github repos [https://github.com/xamarin]

Create custom view in Xamarin.Forms [https://docs.microsoft.com/en-us/xamarin/xamarin-forms/app-fundamentals/custom-renderer/view]

Create custom view in Xamarin.Android [https://medium.com/@mclint_/how-to-make-a-custom-view-in-xamarin-android-3d2dcb391936]

Xamarin.Android architecture [https://docs.microsoft.com/en-us/xamarin/android/internals/architecture]

Embed Flutter UI in existing Xamarin.iOS and Xamarin.Android apps [https://github.com/flutter/flutter/issues/15200]