added in version 22.1.0
belongs to Maven artifact com.android.support:recyclerview-v7:28.0.0-alpha1
Summary: Inherited Constants | Ctors | Methods | Inherited Methods | [Expand All]

DefaultItemAnimator

public class DefaultItemAnimator
extends SimpleItemAnimator

java.lang.Object
   ↳ android.support.v7.widget.RecyclerView.ItemAnimator
     ↳ android.support.v7.widget.SimpleItemAnimator
       ↳ android.support.v7.widget.DefaultItemAnimator

This implementation of RecyclerView.ItemAnimator provides basic animations on remove, add, and move events that happen to the items in a RecyclerView. RecyclerView uses a DefaultItemAnimator by default.

Summary

Inherited constants

From class android.support.v7.widget.RecyclerView.ItemAnimator

Public constructors

DefaultItemAnimator()

Public methods

boolean animateAdd(RecyclerView.ViewHolder holder)

Called when an item is added to the RecyclerView.

boolean animateChange(RecyclerView.ViewHolder oldHolder, RecyclerView.ViewHolder newHolder, int fromX, int fromY, int toX, int toY)

Called when an item is changed in the RecyclerView, as indicated by a call to notifyItemChanged(int) or notifyItemRangeChanged(int, int).

boolean animateMove(RecyclerView.ViewHolder holder, int fromX, int fromY, int toX, int toY)

Called when an item is moved in the RecyclerView.

boolean animateRemove(RecyclerView.ViewHolder holder)

Called when an item is removed from the RecyclerView.

boolean canReuseUpdatedViewHolder(RecyclerView.ViewHolder viewHolder, List<Object> payloads)

When an item is changed, ItemAnimator can decide whether it wants to re-use the same ViewHolder for animations or RecyclerView should create a copy of the item and ItemAnimator will use both to run the animation (e.g.

If the payload list is not empty, DefaultItemAnimator returns true.

void endAnimation(RecyclerView.ViewHolder item)

Method called when an animation on a view should be ended immediately.

void endAnimations()

Method called when all item animations should be ended immediately.