9. Partitioning 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 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 components or behaviors (without a user interface) from a specific Activity lifecycle. Instead, Activity classes can mix and match user interface components or behaviors to create more flexible user interfaces. This chapter explains what fragments are and how you can use them. We also introduce the concept of nested fragments.
Understanding Fragments
Fragments were added to the Android SDK at a crucial ...
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