Alerting the User with Toast and FloatingActionBar
In Chapter: GUI Alerts: Menus, Dialogs, Toasts and Notifications
Author: Ian Darwin ('idarwin')
You want to notify the user of some occurrence, using a short-lived notification on-screen mechanism.
Use a Toast for a short notification that appears in front of your application, and a FloatingActionBar for short notifications that occupy the bottom part of your application's screen.