- How are UNUserNotificationCenter and NotificationCenter different?
a) One is responsible for showing notifications to users, and the other is a mechanism to send notifications about events inside an app.
- What kinds of notifications can you send to a user?
a) Push notifications and local notifications.
- What are provisional notifications?
c) Notifications that are delivered to the user quietly, so they can preview the notifications your app will send.
- How does iOS group notifications?
a) It uses the thread identifier from the notification content and the app that the notification belongs to.
- What does a notification service extension do?
c) It allows you to replace a notification's contents before the user sees it.
- What does a notification content extension do?
b) It allows you to create a custom interface for when a user 3D-touches a notification.