iOS 15.5, Xcode 13.31, Swift 5, UIKit 환경에서 진행했습니다. let content = UNMutableNotificationContent() content.title = "Noti 연습" content.subtitle = "tistory" content.body = "lorem ipsum ...." content.badge = (UIApplication.shared.applicationIconBadgeNumber + 1) as NSNumber UIApplication에서 applicationIconBadgeNumber를 활용한다.
