It would not be expected that Xamarin Forms would have access to the device-specific capabilities and facilities, such as the camera, audio, and GPS. Why would it? Xam. Forms is (as it has been said) a UI abstraction layer. The thing about any UI abstraction layer is that from time to time, it needs to render information from the platform to the user.

In this chapter, you will learn how to incorporate the system-specific address book in our app.