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added in version 22.1.0
belongs to Maven artifact com.android.support:recyclerview-v7:28.0.0-alpha1

RecyclerView.OnScrollListener

public static abstract class RecyclerView.OnScrollListener
extends Object

java.lang.Object
   ↳ android.support.v7.widget.RecyclerView.OnScrollListener


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

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

Public constructors

RecyclerView.OnScrollListener

added in version 22.1.0
RecyclerView.OnScrollListener ()

Public methods

onScrollStateChanged

added in version 22.1.0
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 SCROLL_STATE_IDLE, SCROLL_STATE_DRAGGING or SCROLL_STATE_SETTLING.

onScrolled

added in version 22.1.0
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.