Android has a major limitation: you can only display a single Activity onscreen at any one time. That’s where fragments come in.

Learn how to use the Fragments API in Mono for Android to create an application UI for multiple screens, such as a handset and tablet.

Find out how to migrate your projects to this single-Activity, multiple-fragment structure using JetPack’s Navigation Architecture Component in Android Studio.

In a nutshell, an Activity can be thought of as a “screen-full” of content on your phone or tablet – a page, as it were, of a particular application. Think of an email application, for example, that ...

Each screen in an Android application is represented within the code as an activity. When you create Android applications, you can create an activity class for each screen you need. If you need to ...