|4||Fragments, ActionBar, and Menus|
In this chapter you will:
Explore how to build applications that use an ActionBar and Fragments.
Understand the Fragment lifecycle.
Learn to configure the ActionBar.
Implement Fragments with Responsive Design Techniques.
Explore animation in Fragment Transactions.
Experiment with Fragments, ListViews, and ArrayAdapters.
■ 4.1 Fragmentation and Android Fragments
Android devices come in many shapes and screen sizes, and they have different performance characteristics. Multiple versions of Android are concurrently being used and supported at any given time. Often, companies produce their own variants on the system’s user interface, which can change the look of default elements. ...