What is the purpose of notifications in an app?
A notification is a message that Android displays outside your app's UI to provide the user with reminders, communication from other people, or other timely information from your app. Users can tap the notification to open your app or take an action directly from the notification.
What are the 3 types of notifications?
Android proposes several types of notifications to inform the user: notifications in the system bar. sound notifications. notifications by vibration.