added in version 22.1.0
belongs to Maven artifact com.android.support:support-fragment:28.0.0-alpha1

Fragment

public class Fragment
extends Object implements ComponentCallbacks, View.OnCreateContextMenuListener, LifecycleOwner, ViewModelStoreOwner

java.lang.Object
   ↳ android.support.v4.app.Fragment
Known Direct Subclasses
Known Indirect Subclasses