recyclerview/androidx.recyclerview.widget/DefaultItemAnimator

DefaultItemAnimator

open class DefaultItemAnimator : SimpleItemAnimator(source)

(SESL variant) 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.

Constructors

DefaultItemAnimator

constructor()

Properties

ADDITIONS_ANIM_PENDING

val ADDITIONS_ANIM_PENDING: Int = 8

CHANGE_ANIM_PENDING

val CHANGE_ANIM_PENDING: Int = 4

MOVE_ANIM_PENDING

val MOVE_ANIM_PENDING: Int = 2

PREV_ANIM_EXECUTED

val PREV_ANIM_EXECUTED: Int = 16

REMOVAL_ANIM_PENDING

val REMOVAL_ANIM_PENDING: Int = 1

Functions

animateAdd

open fun animateAdd(holder: RecyclerView.ViewHolder): Boolean

Called when an item is added to the RecyclerView.

animateChange

open fun animateChange(oldHolder: RecyclerView.ViewHolder, newHolder: RecyclerView.ViewHolder, fromLeft: Int, fromTop: Int, toLeft: Int, toTop: Int): Boolean

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

animateMove

open fun animateMove(holder: RecyclerView.ViewHolder, fromX: Int, fromY: Int, toX: Int, toY: Int): Boolean

Called when an item is moved in the RecyclerView.

animateRemove

open fun animateRemove(holder: RecyclerView.ViewHolder): Boolean

Called when an item is removed from the RecyclerView.

canReuseUpdatedViewHolder

open fun canReuseUpdatedViewHolder(@NonNull viewHolder: RecyclerView.ViewHolder, @NonNull payloads: List<Any>): Boolean

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.

clearPendingAnimFlag

open fun clearPendingAnimFlag()

enableRemoveDelay

open fun enableRemoveDelay(enable: Boolean)

endAnimation

open fun endAnimation(item: RecyclerView.ViewHolder)

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

endAnimations

open fun endAnimations()

Method called when all item animations should be ended immediately.

getAddDuration

open fun getAddDuration(): Long