In this chapter, we briefly reviewed the Xamarin.Forms framework introduced by Xamarin 3. We looked at the requirements for using the framework in terms of licensing subscriptions, as well as the components and controls provided by the framework. Finally, you created two simple cross-platform applications using the built-in UI design APIs as well as the XAML design approaches.

In the next chapter, we will take a detailed look at application states and the lifecycles for iOS and Android applications.