belongs to Maven artifact com.android.support:recyclerview-v7:28.0.0-alpha1
SimpleItemAnimator
public
abstract
class
SimpleItemAnimator
extends RecyclerView.ItemAnimator
java.lang.Object | ||
↳ | android.support.v7.widget.RecyclerView.ItemAnimator | |
↳ | android.support.v7.widget.SimpleItemAnimator |
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A wrapper class for ItemAnimator that records View bounds and decides whether it should run move, change, add or remove animations. This class also replicates the original ItemAnimator API.
It uses RecyclerView.ItemAnimator.ItemHolderInfo
to track the bounds information of the Views. If you would like
to
extend this class, you can override obtainHolderInfo()
method to provide your own info
class that extends RecyclerView.ItemAnimator.ItemHolderInfo
.
Summary
Inherited constants |
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android.support.v7.widget.RecyclerView.ItemAnimator
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Public constructors | |
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SimpleItemAnimator()
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Public methods | |
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abstract
boolean
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animateAdd(RecyclerView.ViewHolder holder)
Called when an item is added to the RecyclerView. |
boolean
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animateAppearance(RecyclerView.ViewHolder viewHolder, RecyclerView.ItemAnimator.ItemHolderInfo preLayoutInfo, RecyclerView.ItemAnimator.ItemHolderInfo postLayoutInfo)
Called by the RecyclerView when a ViewHolder is added to the layout. |
abstract
boolean
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animateChange(RecyclerView.ViewHolder oldHolder, RecyclerView.ViewHolder newHolder, int fromLeft, int fromTop, int toLeft, int toTop)
Called when an item is changed in the RecyclerView, as indicated by a call to
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boolean
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animateChange(RecyclerView.ViewHolder oldHolder, RecyclerView.ViewHolder newHolder, RecyclerView.ItemAnimator.ItemHolderInfo preInfo, RecyclerView.ItemAnimator.ItemHolderInfo postInfo)
Called by the RecyclerView when an adapter item is present both before and after the
layout and RecyclerView has received a |
boolean
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animateDisappearance(RecyclerView.ViewHolder viewHolder, RecyclerView.ItemAnimator.ItemHolderInfo preLayoutInfo, RecyclerView.ItemAnimator.ItemHolderInfo postLayoutInfo)
Called by the RecyclerView when a ViewHolder has disappeared from the layout. |
abstract
boolean
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animateMove(RecyclerView.ViewHolder holder, int fromX, int fromY, int toX, int toY)
Called when an item is moved in the RecyclerView. |
boolean
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animatePersistence(RecyclerView.ViewHolder viewHolder, RecyclerView.ItemAnimator.ItemHolderInfo preInfo, RecyclerView.ItemAnimator.ItemHolderInfo postInfo)
Called by the RecyclerView when a ViewHolder is present in both before and after the
layout and RecyclerView has not received a |
abstract
boolean
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animateRemove(RecyclerView.ViewHolder holder)
Called when an item is removed from the RecyclerView. |
boolean
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canReuseUpdatedViewHolder(RecyclerView.ViewHolder viewHolder)
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. |
final
void
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dispatchAddFinished(RecyclerView.ViewHolder item)
Method to be called by subclasses when an add animation is done. |
final
void
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dispatchAddStarting(RecyclerView.ViewHolder item)
Method to be called by subclasses when an add animation is being started. |
final
void
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dispatchChangeFinished(RecyclerView.ViewHolder item, boolean oldItem)
Method to be called by subclasses when a change animation is done. |
final
void
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dispatchChangeStarting(RecyclerView.ViewHolder item, boolean oldItem)
Method to be called by subclasses when a change animation is being started. |
final
void
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dispatchMoveFinished(RecyclerView.ViewHolder item)
Method to be called by subclasses when a move animation is done. |
final
void
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dispatchMoveStarting(RecyclerView.ViewHolder item)
Method to be called by subclasses when a move animation is being started. |
final
void
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dispatchRemoveFinished(RecyclerView.ViewHolder item)
Method to be called by subclasses when a remove animation is done. |
final
void
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dispatchRemoveStarting(RecyclerView.ViewHolder item)
Method to be called by subclasses when a remove animation is being started. |
boolean
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getSupportsChangeAnimations()
Returns whether this ItemAnimator supports animations of change events. |
void
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onAddFinished(RecyclerView.ViewHolder item)
Called when an add animation has ended on the given ViewHolder. |
void
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onAddStarting(RecyclerView.ViewHolder item)
Called when an add animation is being started on the given ViewHolder. |
void
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onChangeFinished(RecyclerView.ViewHolder item, boolean oldItem)
Called when a change animation has ended on the given ViewHolder. |
void
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onChangeStarting(RecyclerView.ViewHolder item, boolean oldItem)
Called when a change animation is being started on the given ViewHolder. |
void
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onMoveFinished(RecyclerView.ViewHolder item)
Called when a move animation has ended on the given ViewHolder. |
void
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onMoveStarting(RecyclerView.ViewHolder item)
Called when a move animation is being started on the given ViewHolder. |
void
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onRemoveFinished(RecyclerView.ViewHolder item)
Called when a remove animation has ended on the given ViewHolder. |
void
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onRemoveStarting(RecyclerView.ViewHolder item)
Called when a remove animation is being started on the given ViewHolder. |
void
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setSupportsChangeAnimations(boolean supportsChangeAnimations)
Sets whether this ItemAnimator supports animations of item change events. |
Inherited methods | |
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android.support.v7.widget.RecyclerView.ItemAnimator
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