Added in API level 14

CollapsibleActionView

interface CollapsibleActionView
android.view.CollapsibleActionView

When a View implements this interface it will receive callbacks when expanded or collapsed as an action view alongside the optional, app-specified callbacks to OnActionExpandListener.

See MenuItem for more information about action views. See android.app.ActionBar for more information about the action bar.

Summary

Public methods
abstract Unit

Called when this view is collapsed as an action view.

abstract Unit

Called when this view is expanded as an action view.

Public methods

onActionViewCollapsed

Added in API level 14
abstract fun onActionViewCollapsed(): Unit

Called when this view is collapsed as an action view. See MenuItem#collapseActionView().

onActionViewExpanded

Added in API level 14
abstract fun onActionViewExpanded(): Unit

Called when this view is expanded as an action view. See MenuItem#expandActionView().