Xamarin.Forms

Xamarin.Forms is a UI framework that is built on top of Xamarin (for iOS and Android) and the Universal Windows Platform (UWP). Xamarin.Forms enables developers to create a UI for iOS, Android, and UWP with one shared code base, as illustrated in the following diagram. If we are building an application with Xamarin.Forms, we can use XAML, C#, or a combination of both to create the UI: