What is contextual menu in Android?
A context menu is a floating menu that appears when the user performs a long-click on an element. It provides actions that affect the selected content or context frame.
What is contextual action mode?
The contextual action mode is a system implementation of ActionMode that focuses user interaction toward performing contextual actions. When a user enables this mode by selecting an item, a contextual action bar appears at the top of the screen to present actions the user can perform on the currently selected item(s).
What is Android action bar?
Android ActionBar is a menu bar that runs across the top of the activity screen in android. Android ActionBar can contain menu items which become visible when the user clicks the “menu” button. In general an ActionBar consists of the following four components: App Icon: App branding logo or icon will be displayed here.