recyclerview/androidx.recyclerview.widget/RecyclerView/SmoothScroller

SmoothScroller

abstract class SmoothScroller(source)

Base class for smooth scrolling. Handles basic tracking of the target view position and provides methods to trigger a programmatic scroll.

An instance of SmoothScroller is only intended to be used once. You should create a new instance for each call to startSmoothScroll.

See also

Inheritors

Constructors

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constructor()

Types

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open class Action
Holds information about a smooth scroll request by a SmoothScroller.
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interface ScrollVectorProvider
An interface which is optionally implemented by custom RecyclerView.LayoutManager to provide a hint to a SmoothScroller about the location of the target position.

Functions

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@Nullable
open fun computeScrollVectorForPosition(targetPosition: Int): PointF
Compute the scroll vector for a given target position.
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open fun findViewByPosition(position: Int): View
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open fun getChildCount(): Int
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open fun getChildPosition(view: View): Int
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open fun getTargetPosition(): Int
Returns the adapter position of the target item
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open fun instantScrollToPosition(position: Int)
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open fun isPendingInitialRun(): Boolean
Returns true if SmoothScroller has been started but has not received the first animation callback yet.
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open fun isRunning(): Boolean
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open fun setTargetPosition(targetPosition: Int)