Summary: Ctors | Methods | Inherited Methods

RecyclerView.OnScrollListener

Kotlin |Java

public static abstract class RecyclerView.OnScrollListener
extends Object

java.lang.Object
↳	androidx.recyclerview.widget.RecyclerView.OnScrollListener

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An OnScrollListener can be added to a RecyclerView to receive messages when a scrolling event has occurred on that RecyclerView.

See also:

• RecyclerView.addOnScrollListener(OnScrollListener)
• RecyclerView.clearOnChildAttachStateChangeListeners()

Summary

Public constructors
RecyclerView.OnScrollListener()

Public methods
void	onScrollStateChanged(RecyclerView recyclerView, int newState) Callback method to be invoked when RecyclerView's scroll state changes.
void	onScrolled(RecyclerView recyclerView, int dx, int dy) Callback method to be invoked when the RecyclerView has been scrolled.

Inherited methods
From class java.lang.Object Object clone() boolean equals(Object arg0) void finalize() final Class<?> getClass() int hashCode() final void notify() final void notifyAll() String toString() final void wait(long arg0, int arg1) final void wait(long arg0) final void wait()

Public constructors

RecyclerView.OnScrollListener

public RecyclerView.OnScrollListener ()

Public methods

onScrollStateChanged

public void onScrollStateChanged (RecyclerView recyclerView, 
                int newState)

Callback method to be invoked when RecyclerView's scroll state changes.

Parameters
recyclerView	RecyclerView: The RecyclerView whose scroll state has changed.
newState	int: The updated scroll state. One of RecyclerView.SCROLL_STATE_IDLE, RecyclerView.SCROLL_STATE_DRAGGING or RecyclerView.SCROLL_STATE_SETTLING.

onScrolled

public void onScrolled (RecyclerView recyclerView, 
                int dx, 
                int dy)

Callback method to be invoked when the RecyclerView has been scrolled. This will be called after the scroll has completed.

This callback will also be called if visible item range changes after a layout calculation. In that case, dx and dy will be 0.

Parameters
recyclerView	RecyclerView: The RecyclerView which scrolled.
dx	int: The amount of horizontal scroll.
dy	int: The amount of vertical scroll.