swift – 错误：’Delegate必须响应locationManager：didUpdateLocations：’收集用户位置时

原因是’委托必须响应LOCATIOnManager：didupdateLOCATIOns：’

这很奇怪,因为我的代码中有一个didupdateLOCATIOns：函数.

我不知道发生了什么,任何帮助表示赞赏.我的ViewController代码如下,谢谢！

/*
* Copyright (C) 2016 Ahad Sheriff
*
*/

import UIKit
import Firebase
import CoreLOCATIOn

class LoginViewController: UIViewController {

    // MARK: Properties
    var ref: FIRDatabaseReference! // 1
    var userID: String = ""

    var LOCATIOnManager = CLLOCATIOnManager()

    override func viewDidLoad() {
        super.viewDidLoad()
        ref = FIRDatabase.database().reference() // 2
    }

    @IBACtion func loginDidTouch(sender: AnyObject) {

        //ask user to enable LOCATIOn services
        LOCATIOnManager.requestWhenInUseAuthorization()

        if CLLOCATIOnManager.LOCATIOnservicesEnabled() {
            //collect user's LOCATIOn
            LOCATIOnManager.desiredAccuracy = kCLLOCATIOnAccuracyThreeKilometers
            LOCATIOnManager.requestLOCATIOn()
            LOCATIOnManager.startupdatingLOCATIOn()

            let LOCATIOn = self.LOCATIOnManager.LOCATIOn

            var latitude: Double = LOCATIOn!.coordinate.latitude
            var longitude: Double = LOCATIOn!.coordinate.longitude

            print("current latitude :: \(latitudE)")
            print("current longitude :: \(longitudE)")

            //Log in to application anonymously using Firebase
            FIRAuth.auth()?.signInAnonymouslyWithCompletion() { (user,error) in
                if let user = user {
                    print("User is signed in with uid: ",user.uid)
                    self.userID = user.uid
                } else {
                    print("No user is signed in.")
                }

                self.performSegueWithIdentifier("Logintochat",sender: nil)

            }

        }

        else {
            print("Unable to determine LOCATIOn")
        }

    }

    override func prepareForSegue(segue: UIStoryboardSegue,sender: AnyObject?) {
        super.prepareForSegue(segue,sender: sender)
        let navVc = segue.desTinationViewController as! UINavigationController // 1
        let chatVc = navVc.viewControllers.first as! ChatViewController // 2
        chatVc.senderId = userID // 3
        chatVc.senderDisplayName = "" // 4
    }

    func LOCATIOnManager(manager: CLLOCATIOnManager!,didupdateLOCATIOns LOCATIOns: [AnyObject]!)
    {
        //--- CLGeocode to get address of current LOCATIOn ---//
        CLGeocoder().reverseGeocodeLOCATIOn(manager.LOCATIOn!,completionHandler: {(placemarks,error)->Void in

            if (error != nil)
            {
                print("Reverse geocoder Failed with error" + error!.localizedDescription)
                return
            }

            if placemarks!.count > 0
            {
                let pm = placemarks![0] as CLPlacemark
                self.displayLOCATIOnInfo(pm)
            }
            else
            {
                print("Problem with the data received from geocoder")
            }
        })

    }


    func displayLOCATIOnInfo(placemark: CLPlacemark?)
    {
        if let containsPlacemark = placemark
        {
            //stop updating LOCATIOn
            LOCATIOnManager.stopupdatingLOCATIOn()

            let locality = (containsPlacemark.locality != nil) ? containsPlacemark.locality : ""
            let postalCode = (containsPlacemark.postalCode != nil) ? containsPlacemark.postalCode : ""
            let administrativeArea = (containsPlacemark.administrativeArea != nil) ? containsPlacemark.administrativeArea : ""
            let country = (containsPlacemark.country != nil) ? containsPlacemark.country : ""

            print(locality)
            print(postalCodE)
            print(administrativeArea)
            print(country)
        }

    }


    func LOCATIOnManager(manager: CLLOCATIOnManager!,didFailWithError error: NSError!) {
        print("Error while updating LOCATIOn " + error.localizedDescription)
    }


}