As the name suggests, it notifies the user of an event or events that need(s) response from the user’s end or to just inform the user about its existence or occurrence.
Different ways of notifying the user different using Notification Techniques:
1) Toast Notification: It is just a pop up message to notify the user of some event or events. It just remains on the screen for some time and fades away.
3) Dialog Notification: It is a small window that appears before the activity and then the activity loses attention and the Dialog gains all user focus.
Hope this article has been useful.