9. Partitioning the User Interface with Fragments
Traditionally, each screen within an Android application was tied to a specific Activity
class. However, in Android 3.0 (Honeycomb), the concept of a user interface component called a Fragment
was introduced. Fragments were then included in the Android Support library for use with Android 1.6 (API Level 4) and up. Fragments decouple user interface behavior from a specific Activity
lifecycle. Instead, Activity
classes can mix and match user interface components to create more flexible user interfaces for the Android devices of the future. You will also be introduced to the concept of nested fragments which have been added to Android 4.2.
Understanding Fragments
Fragments were added to the Android ...
Get Introduction to Android™ Application Development: Android Essentials, Fourth Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.