com.xuexiang.xui.widget.banner.recycler.layout

Class CenterSnapHelper

java.lang.Object

RecyclerView.OnFlingListener

com.xuexiang.xui.widget.banner.recycler.layout.CenterSnapHelper

public class CenterSnapHelper
extends RecyclerView.OnFlingListener

Class intended to support snapping for a RecyclerView which use BannerLayoutManager as its LayoutManager.

The implementation will snap the center of the target child view to the center of the attached RecyclerView.

Constructor Summary

Constructors

Constructor and Description
CenterSnapHelper()

Method Summary

Modifier and Type	Method and Description
void	attachToRecyclerView(RecyclerView recyclerView) Please attach after {LayoutManager is setting} Attaches the CenterSnapHelper to the provided RecyclerView, by calling RecyclerView#setOnFlingListener(RecyclerView.OnFlingListener).
boolean	onFling(int velocityX, int velocityY)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CenterSnapHelper

public CenterSnapHelper()

Method Detail

onFling

public boolean onFling(int velocityX,
                       int velocityY)

attachToRecyclerView

public void attachToRecyclerView(RecyclerView recyclerView)
                          throws java.lang.IllegalStateException

Please attach after {LayoutManager is setting} Attaches the CenterSnapHelper to the provided RecyclerView, by calling RecyclerView#setOnFlingListener(RecyclerView.OnFlingListener). You can call this method with null to detach it from the current RecyclerView.

Parameters:

recyclerView - The RecyclerView instance to which you want to add this helper or null if you want to remove CenterSnapHelper from the current RecyclerView.

Throws:

java.lang.IllegalArgumentException - if there is already a RecyclerView.OnFlingListener attached to the provided RecyclerView.

java.lang.IllegalStateException