added in version 1.0.0



RecyclerView.ItemAnimator.AdapterChanges The set of flags that might be passed to RecyclerView.ItemAnimator.recordPreLayoutInformation(State, ViewHolder, int, List)


ItemTouchHelper.ViewDropHandler An interface which can be implemented by LayoutManager for better integration with ItemTouchHelper
ItemTouchUIUtil Utility class for ItemTouchHelper which handles item transformations for different API versions. 
ListUpdateCallback An interface that can receive Update operations that are applied to a list. 
RecyclerView.ChildDrawingOrderCallback A callback interface that can be used to alter the drawing order of RecyclerView children. 
RecyclerView.ItemAnimator.ItemAnimatorFinishedListener This interface is used to inform listeners when all pending or running animations in an ItemAnimator are finished. 
RecyclerView.LayoutManager.LayoutPrefetchRegistry Interface for LayoutManagers to request items to be prefetched, based on position, with specified distance from viewport, which indicates priority. 
RecyclerView.OnChildAttachStateChangeListener A Listener interface that can be attached to a RecylcerView to get notified whenever a ViewHolder is attached to or detached from RecyclerView. 
RecyclerView.OnItemTouchListener An OnItemTouchListener allows the application to intercept touch events in progress at the view hierarchy level of the RecyclerView before those touch events are considered for RecyclerView's own scrolling behavior. 
RecyclerView.RecyclerListener A RecyclerListener can be set on a RecyclerView to receive messages whenever a view is recycled. 
RecyclerView.SmoothScroller.ScrollVectorProvider An interface which is optionally implemented by custom RecyclerView.LayoutManager to provide a hint to a RecyclerView.SmoothScroller about the location of the target position. 


AdapterListUpdateCallback ListUpdateCallback that dispatches update events to the given adapter. 
AsyncDifferConfig<T> Configuration object for ListAdapter, AsyncListDiffer, and similar background-thread list diffing adapter logic. 
AsyncDifferConfig.Builder<T> Builder class for AsyncDifferConfig
AsyncListDiffer<T> Helper for computing the difference between two lists via DiffUtil on a background thread. 
AsyncListUtil<T> A utility class that supports asynchronous content loading. 
AsyncListUtil.DataCallback<T> The callback that provides data access for AsyncListUtil
AsyncListUtil.ViewCallback The callback that links AsyncListUtil with the list view. 
BatchingListUpdateCallback Wraps a ListUpdateCallback callback and batches operations that can be merged. 
DefaultItemAnimator This implementation of RecyclerView.ItemAnimator provides basic animations on remove, add, and move events that happen to the items in a RecyclerView. 
DiffUtil DiffUtil is a utility class that calculates the difference between two lists and outputs a list of update operations that converts the first list into the second one. 
DiffUtil.Callback A Callback class used by DiffUtil while calculating the diff between two lists. 
DiffUtil.DiffResult This class holds the information about the result of a DiffUtil.calculateDiff(Callback, boolean) call. 
DiffUtil.ItemCallback<T> Callback for calculating the diff between two non-null items in a list. 
DividerItemDecoration DividerItemDecoration is a RecyclerView.ItemDecoration that can be used as a divider between items of a LinearLayoutManager
GridLayoutManager A RecyclerView.LayoutManager implementations that lays out items in a grid. 
GridLayoutManager.DefaultSpanSizeLookup Default implementation for GridLayoutManager.SpanSizeLookup
GridLayoutManager.LayoutParams LayoutParams used by GridLayoutManager. 
GridLayoutManager.SpanSizeLookup A helper class to provide the number of spans each item occupies. 
ItemTouchHelper This is a utility class to add swipe to dismiss and drag & drop support to RecyclerView. 
ItemTouchHelper.Callback This class is the contract between ItemTouchHelper and your application. 
ItemTouchHelper.SimpleCallback A simple wrapper to the default Callback which you can construct with drag and swipe directions and this class will handle the flag callbacks. 
LinearLayoutManager A RecyclerView.LayoutManager implementation which provides similar functionality to ListView
LinearSmoothScroller RecyclerView.SmoothScroller implementation which uses a LinearInterpolator until the target position becomes a child of the RecyclerView and then uses a DecelerateInterpolator to slowly approach to target position. 
LinearSnapHelper Implementation of the SnapHelper supporting snapping in either vertical or horizontal orientation. 
ListAdapter<T, VH extends RecyclerView.ViewHolder> RecyclerView.Adapter base class for presenting List data in a RecyclerView, including computing diffs between Lists on a background thread. 
OrientationHelper Helper class for LayoutManagers to abstract measurements depending on the View's orientation. 
PagerSnapHelper Implementation of the SnapHelper supporting pager style snapping in either vertical or horizontal orientation. 
RecyclerView A flexible view for providing a limited window into a large data set. 
RecyclerView.Adapter<VH extends RecyclerView.ViewHolder> Base class for an Adapter

Adapters provide a binding from an app-specific data set to views that are displayed within a RecyclerView

RecyclerView.AdapterDataObserver Observer base class for watching changes to an RecyclerView.Adapter
RecyclerView.EdgeEffectFactory EdgeEffectFactory lets you customize the over-scroll edge effect for RecyclerViews. 
RecyclerView.ItemAnimator This class defines the animations that take place on items as changes are made to the adapter. 
RecyclerView.ItemAnimator.ItemHolderInfo A simple data structure that holds information about an item's bounds. 
RecyclerView.ItemDecoration An ItemDecoration allows the application to add a special drawing and layout offset to specific item views from the adapter's data set. 
RecyclerView.LayoutManager A LayoutManager is responsible for measuring and positioning item views within a RecyclerView as well as determining the policy for when to recycle item views that are no longer visible to the user. 
RecyclerView.LayoutManager.Properties Some general properties that a LayoutManager may want to use. 
RecyclerView.LayoutParams LayoutParams subclass for children of RecyclerView
RecyclerView.OnFlingListener This class defines the behavior of fling if the developer wishes to handle it. 
RecyclerView.OnScrollListener An OnScrollListener can be added to a RecyclerView to receive messages when a scrolling event has occurred on that RecyclerView. 
RecyclerView.RecycledViewPool RecycledViewPool lets you share Views between multiple RecyclerViews. 
RecyclerView.Recycler A Recycler is responsible for managing scrapped or detached item views for reuse. 
RecyclerView.SimpleOnItemTouchListener An implementation of RecyclerView.OnItemTouchListener that has empty method bodies and default return values. 
RecyclerView.SmoothScroller Base class for smooth scrolling. 
RecyclerView.SmoothScroller.Action Holds information about a smooth scroll request by a RecyclerView.SmoothScroller

Contains useful information about the current RecyclerView state like target scroll position or view focus. 

RecyclerView.ViewCacheExtension ViewCacheExtension is a helper class to provide an additional layer of view caching that can be controlled by the developer. 
RecyclerView.ViewHolder A ViewHolder describes an item view and metadata about its place within the RecyclerView. 
RecyclerViewAccessibilityDelegate The AccessibilityDelegate used by RecyclerView. 
RecyclerViewAccessibilityDelegate.ItemDelegate The default implementation of accessibility delegate for the individual items of the RecyclerView. 
SimpleItemAnimator A wrapper class for ItemAnimator that records View bounds and decides whether it should run move, change, add or remove animations. 
SnapHelper Class intended to support snapping for a RecyclerView
SortedList<T> A Sorted list implementation that can keep items in order and also notify for changes in the list such that it can be bound to a RecyclerView.Adapter
SortedList.BatchedCallback<T2> A callback implementation that can batch notify events dispatched by the SortedList. 
SortedList.Callback<T2> The class that controls the behavior of the SortedList
SortedListAdapterCallback<T2> A SortedList.Callback implementation that can bind a SortedList to a RecyclerView.Adapter
StaggeredGridLayoutManager A LayoutManager that lays out children in a staggered grid formation. 
StaggeredGridLayoutManager.LayoutParams LayoutParams used by StaggeredGridLayoutManager.