How to add a number over your app icon using applicationIconBadgeNumber
Swift version: 5.1
Once your app has the user’s permission to do so, you can show numbers over your icon to indicate outstanding tasks, unread messages, game invites, or whatever makes sense for your app.
You do need to get their permission, though, so you should start by adding an import for the UserNotifications framework, then request permission with code like this:
UNUserNotificationCenter.current().requestAuthorization(options: .badge) { (granted, error) in
if error != nil {
// success!
}
}Once you have that permission – anywhere inside the // success! comment or at some point afterwards – you can place an integer badge of your app icon with one line of code:
UIApplication.shared.applicationIconBadgeNumber = 1SAVE 20% ON iOS CONF SG The largest iOS conference in Southeast Asia is back in Singapore for the 5th time in January 2020, now with two days of workshops plus two days of talks on SwiftUI, Combine, GraphQL, and more! Save a massive 20% on your tickets by clicking on this link.
Available from iOS 2.0
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