Added in API level 1

OnGroupCollapseListener

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Kotlin |Java

interface OnGroupCollapseListener

android.widget.ExpandableListView.OnGroupCollapseListener

Known Direct Subclasses ExpandableListActivity ExpandableListActivity An activity that displays an expandable list of items by binding to a data source implementing the ExpandableListAdapter, and exposes event handlers when the user selects an item.

Used for being notified when a group is collapsed

Summary

Public methods
abstract Unit	onGroupCollapse(groupPosition: Int) Callback method to be invoked when a group in this expandable list has been collapsed.

Public methods

onGroupCollapse

Added in API level 1

abstract fun onGroupCollapse(groupPosition: Int): Unit

Callback method to be invoked when a group in this expandable list has been collapsed.

Parameters
groupPosition	Int: The group position that was collapsed