[ios] 사용자의 현재 위치 / 좌표 얻기

먼저 Corelocation 및 MapKit 라이브러리를 가져옵니다.

import MapKit
import CoreLocation

CLLocationManagerDelegate에서 클래스로 상속

class ViewController: UIViewController, CLLocationManagerDelegate

locationManager 변수를 작성하십시오. 이것은 위치 데이터입니다.

var locationManager = CLLocationManager()

위치 정보를 얻는 함수를 작성하십시오.이 정확한 구문은 구체적입니다.

func locationManager(manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {

함수에서 사용자의 현재 위치에 대한 상수를 만듭니다.

let userLocation:CLLocation = locations[0] as CLLocation // note that locations is same as the one in the function declaration  

위치 업데이트 중지, 이렇게하면 장치가 이동하는 동안 위치를 중앙으로 표시하도록 창을 지속적으로 변경하지 못합니다 (다른 방식으로 작동하려면 생략 할 수 있음)

manager.stopUpdatingLocation()

방금 정의한 userLocatin에서 사용자 좌표를 얻습니다.

let coordinations = CLLocationCoordinate2D(latitude: userLocation.coordinate.latitude,longitude: userLocation.coordinate.longitude)

확대 / 축소 할지도 정의 :

let span = MKCoordinateSpanMake(0.2,0.2)
이 두 가지를 결합하여 지역을 얻으십시오.

let region = MKCoordinateRegion(center: coordinations, span: span)//this basically tells your map where to look and where from what distance

이제 영역을 설정하고 애니메이션과 함께 거기에 갈 것인지를 선택하십시오

mapView.setRegion(region, animated: true)

기능을 닫으십시오
}

버튼이나 다른 방법으로 locationManagerDeleget을 self로 설정하려는 경우

이제 위치를 표시 할 수 있습니다

정확도 지정

locationManager.desiredAccuracy = kCLLocationAccuracyBest

승인 :

 locationManager.requestWhenInUseAuthorization()

위치 서비스를 승인하려면 plist에이 두 줄을 추가해야합니다.

위치를 얻는다 :

locationManager.startUpdatingLocation()

사용자에게 보여주세요 :

mapView.showsUserLocation = true

이것은 내 완전한 코드입니다.

import UIKit
import MapKit
import CoreLocation

class ViewController: UIViewController, CLLocationManagerDelegate {

    @IBOutlet weak var mapView: MKMapView!

    var locationManager = CLLocationManager()


    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


    @IBAction func locateMe(sender: UIBarButtonItem) {
        locationManager.delegate = self
        locationManager.desiredAccuracy = kCLLocationAccuracyBest
        locationManager.requestWhenInUseAuthorization()
        locationManager.startUpdatingLocation()

        mapView.showsUserLocation = true

    }

    func locationManager(manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
        let userLocation:CLLocation = locations[0] as CLLocation

        manager.stopUpdatingLocation()

        let coordinations = CLLocationCoordinate2D(latitude: userLocation.coordinate.latitude,longitude: userLocation.coordinate.longitude)
        let span = MKCoordinateSpanMake(0.2,0.2)
        let region = MKCoordinateRegion(center: coordinations, span: span)

        mapView.setRegion(region, animated: true)

    }
}

답변

import MapKit
import CoreLocation

class MyVc: UIViewController, CLLocationManagerDelegate {

  let locationManager = CLLocationManager()

 override func viewDidLoad() {
    super.viewDidLoad()

    isAuthorizedtoGetUserLocation()

    if CLLocationManager.locationServicesEnabled() {
        locationManager.delegate = self
        locationManager.desiredAccuracy = kCLLocationAccuracyNearestTenMeters
    }
}

 //if we have no permission to access user location, then ask user for permission.
func isAuthorizedtoGetUserLocation() {

    if CLLocationManager.authorizationStatus() != .authorizedWhenInUse     {
        locationManager.requestWhenInUseAuthorization()
    }
}


//this method will be called each time when a user change his location access preference.
func locationManager(_ manager: CLLocationManager, didChangeAuthorization status: CLAuthorizationStatus) {
    if status == .authorizedWhenInUse {
        print("User allowed us to access location")
        //do whatever init activities here.
    }
}


 //this method is called by the framework on         locationManager.requestLocation();
func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
    print("Did location updates is called")
    //store the user location here to firebase or somewhere
}

func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
    print("Did location updates is called but failed getting location \(error)")
}

}

if CLLocationManager.locationServicesEnabled() {
            locationManager.requestLocation();
 }

geoFire?.setLocation(locations.first, forKey: uid) where uid is the user id who logged in to the app. I think you will know how to get UID based on your app sign in implementation.