Creating fragments

As with activities, now that we have covered the same old dry introduction to fragments, we can actually begin to use them! In the following sections, we will cover how to create fragments, create a static Fragment constructor, and instantiate a fragment that binds one or several fragments into a single parent activity.

Creating our own fragment

As we did in the activity example, perform the following steps:

1. Open the Project tab on the right-hand side of the screen.
2. Right-click on the com.example folder.
3. Go to New | Java Class and name the class SampleFragment.

As all custom activities extend the class Activity, all custom fragments extend the class Fragment.

Note

If you are using the support library, you can choose to either use the Fragment class built into Android as of Honeycomb (API v11) or the android.support.v4.app.Fragment class bundled as part of the support library. If you are planning on supporting devices pre-ICS (API v14), you must...