com.bignerdranch.expandablerecyclerview

Interface ExpandableRecyclerAdapter.ExpandCollapseListener

Enclosing class:

ExpandableRecyclerAdapter<P extends Parent<C>,C,PVH extends ParentViewHolder,CVH extends ChildViewHolder>

public static interface ExpandableRecyclerAdapter.ExpandCollapseListener

Allows objects to register themselves as expand/collapse listeners to be notified of change events.

NOTE: This is not called when the expanding/collapsing is triggered programmatically via ExpandableRecyclerAdapter.expandParent(P) and other methods on the adapter. (Only called for changes triggered from the viewholder)

Implement this in your Activity or Fragment to receive these callbacks.

Method Summary

Modifier and Type	Method and Description
void	onParentCollapsed(int parentPosition) Called when a parent is collapsed.
void	onParentExpanded(int parentPosition) Called when a parent is expanded.

Method Detail

onParentExpanded

@UiThread
void onParentExpanded(int parentPosition)

Called when a parent is expanded.

Parameters:

parentPosition - The position of the parent in the list being expanded

onParentCollapsed

@UiThread
void onParentCollapsed(int parentPosition)

Called when a parent is collapsed.

Parameters:

parentPosition - The position of the parent in the list being collapsed