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

グーグルは、「Android」のフラグメント化と呼ばれる問題に対処するため、「Android 1.6」以降で利用できる「Fragment」ライブラリを公開した。

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 ...

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

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.