在ios中收到通知时禁用应用程序徽章图标

UNUserNotificationCenter.current().requestAuthorization(options: [.badge]) { (granted, error) in
    if granted {
        // 用户授权通知权限
    } else {
        // 用户拒绝通知权限
    }
}

UIApplication.shared.applicationIconBadgeNumber = 0

func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable : Any]) {
    // 处理通知

    // 禁用应用程序徽章图标
    UIApplication.shared.applicationIconBadgeNumber = 0
}