Apple Push notification registration

gistfile1.txt

import UserNotifications

if #available(iOS 10.0, *) {
    //iOS 10.0 and greater
    UNUserNotificationCenter.current().delegate = self
    UNUserNotificationCenter.current().requestAuthorization(options: [.badge, .sound, .alert], completionHandler: { granted, error in
        DispatchQueue.main.async {
            if granted {
                UIApplication.shared.registerForRemoteNotifications()
            }
            else {
                //Do stuff if unsuccessful...
            }
        }
   })
}
else { 
    //iOS 9
    let type: UIUserNotificationType = [UIUserNotificationType.badge, UIUserNotificationType.alert, UIUserNotificationType.sound]
    let setting = UIUserNotificationSettings(types: type, categories: nil)
    UIApplication.shared.registerUserNotificationSettings(setting)
    UIApplication.shared.registerForRemoteNotifications()
}


func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
    let tokenParts = deviceToken.map { data -> String in
        return String(format: "%02.2hhx", data)
    }
    let token = tokenParts.joined()
    print(token)
}

func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {

}