Android APIs
package

android.support.v13.app

Support classes to access some of the android.app package features introduced after API level 13 in a backwards compatible fashion.

Interfaces

FragmentCompat.OnRequestPermissionsResultCallback This interface is the contract for receiving the results for permission requests. 

Classes

FragmentCompat Helper for accessing features in Fragment introduced after API level 13 in a backwards compatible fashion. 
FragmentPagerAdapter Implementation of PagerAdapter that represents each page as a Fragment that is persistently kept in the fragment manager as long as the user can return to the page. 
FragmentStatePagerAdapter Implementation of PagerAdapter that uses a Fragment to manage each page. 
FragmentTabHost Version of FragmentTabHost that can be used with the platform Fragment APIs.