Adding a UI Fragment to the FragmentManager

When the Fragment class was introduced in Honeycomb, the Activity class was changed to include a piece called the FragmentManager. The FragmentManager is responsible for managing your fragments and adding their views to the activity’s view hierarchy (Figure 7.18).

The FragmentManager handles two things: a list of fragments and a back stack of fragment transactions (which you will learn about shortly).

Figure 7.18  The FragmentManager

Illustration shows fragment manager.

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