How to add a number over your app icon using applicationIconBadgeNumber
Swift version: 5.0
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 = 1LEARN SWIFTUI FOR FREE I wrote a massive, free SwiftUI tutorial collection, and also have a growing list of free SwiftUI tutorials on YouTube – get started today!
Available from iOS 2.0
Similar solutions…
- How to change your app icon dynamically with setAlternateIconName()
- How to run code when your app is terminated
- How to use the forEach method to loop over an array
- How to generate a random number with GKRandomSource
- How to use UIStepper to let users change number values
About the Swift Knowledge Base
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.
