Introduction

With a firm understanding of layouts from Chapter 2, Layouts, we'll dig deeper into UI development with Fragments. Fragments are a way to separate your UI into smaller sections that can easily be reused. Think of Fragments as mini-activities, complete with their own classes, layouts, and life cycle. Instead of designing your screen in one Activity Layout, possibly duplicating functionality across multiple layouts, you can break the screen into smaller, logical sections and turn them into Fragments. Your Activity Layout can then reference one or multiple Fragments, as needed.