The UWP applications can be run on various devices that differ, for example, by availability of the back button. As you can see, such a button exists in the case of smartphones, but it is not available for tablets and desktops. Fortunately, it is possible to use the
SystemNavigationManager class to handle pressing the back button on a smartphone to navigate to the previous page in the application. What is more, the mechanism allows you to present the additional back button, at the top of the window, in case of a tablet or desktop-based version. You will learn how to do it in the current recipe.
To complete this recipe, you need the project with two pages, represented by the
AboutPage classes. Let's ...