Android Developers Develop API reference added in version 24.1.0 android.support.v13.view Interfaces DragStartHelper.OnDragStartListener Interface definition for a callback to be invoked when a drag start gesture is detected. Classes DragAndDropPermissionsCompat Helper for accessing features in DragAndDropPermissions a backwards compatible fashion. DragStartHelper DragStartHelper is a utility class for implementing drag and drop support. ViewCompat This class was deprecated in API level 26.1.0. Use ViewCompat instead. Interfaces DragStartHelper.OnDragStartListener Classes DragAndDropPermissionsCompat DragStartHelper ViewCompat