Notify me!

One of the most common ways of attracting a mobile device user to a particular app is to display a notification. When a new email arrives or a friend posts something on social media, we are typically alerted with a notification. Clicking on it displays the app that sent the notification.

Delphi provides a TNotificationCenter component that can be used to display and react to notifications. A very common use case is displaying a number next to the app icon for the count of new notifications. This can also be used for unread emails and missed calls:

1. Create a new, blank, multi-device app. Save the main form as uFormNotify and the project as NotifyMe.
2. Add a toolbar with a label aligned to Client with text reading Delphi Notifications.
3. Now drop a TNotificationCenter component on the form. As a side effect, the System.Notification unit will be added to the form’s uses clause.
4. The first class defined in this unit is TNotification, which is used as...