Android APIs
package

android.support.v4.widget

Support android.widget classes to assist with development of applications for android API level 4 or later. This includes a complete modern implementation of CursorAdapter and related classes, which is needed for use with CursorLoader.

Interfaces

DrawerLayout.DrawerListener Listener for monitoring events about drawers. 
SimpleCursorAdapter.CursorToStringConverter This class can be used by external clients of SimpleCursorAdapter to define how the Cursor should be converted to a String. 
SimpleCursorAdapter.ViewBinder This class can be used by external clients of SimpleCursorAdapter to bind values fom the Cursor to views. 
SlidingPaneLayout.PanelSlideListener Listener for monitoring events about sliding panes. 
SwipeRefreshLayout.OnRefreshListener Classes that wish to be notified when the swipe gesture correctly triggers a refresh should implement this interface. 

Classes

AutoScrollHelper AutoScrollHelper is a utility class for adding automatic edge-triggered scrolling to Views. 
ContentLoadingProgressBar ContentLoadingProgressBar implements a ProgressBar that waits a minimum time to be dismissed before showing. 
CursorAdapter Static library support version of the framework's CursorAdapter. 
DonutScrollerCompatTest  
DrawerLayout DrawerLayout acts as a top-level container for window content that allows for interactive "drawer" views to be pulled out from the edge of the window. 
DrawerLayout.LayoutParams  
DrawerLayout.SavedState State persisted across instances  
DrawerLayout.SimpleDrawerListener Stub/no-op implementations of all methods of DrawerLayout.DrawerListener. 
EdgeEffectCompat Helper for accessing EdgeEffect introduced after API level 4 in a backwards compatible fashion. 
ExploreByTouchHelper ExploreByTouchHelper is a utility class for implementing accessibility support in custom Views that represent a collection of View-like logical items. 
GingerbreadScrollerCompatTest  
IcsScrollerCompatTest  
ListPopupWindowCompat Helper for accessing features in ListPopupWindow introduced after API level 4 in a backwards compatible fashion. 
ListViewAutoScrollHelper An implementation of AutoScrollHelper that knows how to scroll through a ListView. 
NestedScrollView NestedScrollView is just like ScrollView, but it supports acting as both a nested scrolling parent and child on both new and old versions of Android. 
PopupMenuCompat Helper for accessing features in PopupMenu introduced after API level 4 in a backwards compatible fashion. 
PopupWindowCompat Helper for accessing features in PopupWindow introduced after API level 4 in a backwards compatible fashion. 
ResourceCursorAdapter Static library support version of the framework's ResourceCursorAdapter. 
ScrollerCompat Provides access to new Scroller APIs when available. 
ScrollerCompatTestBase  
SearchViewCompat Helper for accessing features in SearchView introduced after API level 4 in a backwards compatible fashion. 
SearchViewCompat.OnCloseListenerCompat Callback for closing the query UI. 
SearchViewCompat.OnQueryTextListenerCompat Callbacks for changes to the query text. 
SimpleCursorAdapter Static library support version of the framework's SimpleCursorAdapter. 
SlidingPaneLayout SlidingPaneLayout provides a horizontal, multi-pane layout for use at the top level of a UI. 
SlidingPaneLayout.LayoutParams  
SlidingPaneLayout.SimplePanelSlideListener No-op stubs for SlidingPaneLayout.PanelSlideListener. 
SwipeRefreshLayout The SwipeRefreshLayout should be used whenever the user can refresh the contents of a view via a vertical swipe gesture. 
TextViewCompat Helper for accessing features in TextView introduced after API level 4 in a backwards compatible fashion. 
ViewDragHelper ViewDragHelper is a utility class for writing custom ViewGroups. 
ViewDragHelper.Callback A Callback is used as a communication channel with the ViewDragHelper back to the parent view using it.