func notification(){
        let content = UNMutableNotificationContent()
        content.title = "GPS alert message"
       // content.subtitle = "Do you know?"
        content.body = "Your GPS detect vibration!!"
        content.badge = 1
        content.sound = UNNotificationSound.default()
        let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 5, repeats: false)
        let request = UNNotificationRequest(identifier: "timerDone", content: content, trigger: trigger)
        UNUserNotificationCenter.current().add(request, withCompletionHandler: nil)

    }

func notification(){


        let content = UNMutableNotificationContent()
        content.title = "GPS alert message"
       // content.subtitle = "Do you know?"
        content.body = "Your GPS detect vibration!!"
        content.badge = 1
        content.sound = UNNotificationSound.default()
        let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 5, repeats: false)
        let request = UNNotificationRequest(identifier: "timerDone", content: content, trigger: trigger)

        UNUserNotificationCenter.current().add(request, withCompletionHandler: nil)

    }

func someBackgroundTask(timer:Timer) {
            DispatchQueue.global(qos: DispatchQoS.background.qosClass).async {
                //print("do some background task")
                 self.getData()
                DispatchQueue.main.async {
                    //self.updatMarker()
                }
            }
        }

Timer.scheduledTimer(withTimeInterval: 5.0, repeats: true) {
                    timer in

                    self.someBackgroundTask(timer: timer)
                }