Defining the shell

As stated earlier, Xamarin.Forms Shell is the newest way of defining the structure of your app. The different projects in the book use alternate ways of defining the overall structure of the app, but Xamarin.Forms Shell is, in our opinion, the best way of defining the UI structure. We hope you find it as exciting as we do!

We are going to start by creating a MainShell file that describes the structure of the app.