Xamarin.Forms Controls Class Hierarchy

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Xamarin.Forms is made up of hundreds of types, over multiple namespaces. Developers should be most familiar with the hierarchy of types used to create the user interface of a Xamarin.Forms application, which reside in the Xamarin.Forms namespace.

These types can be divided into pages, layouts, views, and cells. A Xamarin.Forms page generally occupies the entire screen, and all the page types derive from the Page class. Pages usually contain a layout, and all the layout types derive from the Layout class. A layout usually contains views and possibly other layouts, and all the view types derive from the View class. Finally, cells are specialized controls that are used in display data in the TableView and ListView controls. Pages, layouts, views, and cells are all ultimately derived from the Element class.

The following class diagram shows the hierarchy of types that are typically used to build a user interface in Xamarin.Forms:

Xamarin.Forms Controls Class Diagram

Note

A high resolution version of the class diagram can be downloaded from here. However, note that the diagram does not currently show the CarouselView and CollectionView types. These will be added once the controls are out of preview. In addition, the diagram only shows a single Shell type.