added in version 1.0.0

androidx.appcompat.view

Interfaces

ActionMode.Callback Callback interface for action modes. 
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 MenuItemCompat.OnActionExpandListener

Classes

ActionMode Represents a contextual mode of the user interface. 
ContextThemeWrapper A context wrapper that allows you to modify or replace the theme of the wrapped context.