ios - Swift 2 – 无法使用 CLLocationManager 获取用户位置

Question

这是我的 VC 代码:

import UIKit
import MapKit
import CoreLocation

class ViewController: UIViewController, MKMapViewDelegate, CLLocationManagerDelegate {
    @IBOutlet weak var mapView: MKMapView!
    let locationManager = CLLocationManager()

    override func viewDidLoad() {
        super.viewDidLoad()

        locationManager.delegate = self
        locationManager.requestWhenInUseAuthorization()
        mapView.showsUserLocation = true
    }

    func locationManager(manager: CLLocationManager, didChangeAuthorizationStatus status: CLAuthorizationStatus) {
        mapView.showsUserLocation = (status == .AuthorizedAlways)
    }

    func locationManager(manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
        let locValue:CLLocationCoordinate2D = manager.location!.coordinate
        print("locations = \(locValue.latitude) \(locValue.longitude)")
    }
}

我还在我的 plist 文件中添加了 NSLocationWhenInUseUsageDescription。我有 CoreLocation 和 MapKit 框架，知道为什么这不起作用吗？它不会在 map 上显示用户位置，也不会打印出用户的坐标。还没有在网上找到关于堆栈溢出的任何内容。

Answer 1

这对我有用

swift 2 - (Xcode 7.2.1)

ViewController.swift

import UIKit
import CoreLocation

class ViewController: UIViewController, CLLocationManagerDelegate {

    var locationManager: CLLocationManager = CLLocationManager()

    override func viewDidLoad() {
        super.viewDidLoad()

        locationManager.desiredAccuracy = kCLLocationAccuracyBest
        locationManager.delegate = self
        locationManager.requestWhenInUseAuthorization()
        locationManager.startUpdatingLocation()
    }

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

        self.locationManager.stopUpdatingLocation()

        let latestLocation = locations.last

        let latitude = String(format: "%.4f", latestLocation!.coordinate.latitude)
        let longitude = String(format: "%.4f", latestLocation!.coordinate.longitude)

        print("Latitude: \(latitude)")
        print("Longitude: \(longitude)")
    }
}

信息.plist

添加新行

信息属性列表: NSLocationWhenInUseUsageDescription

类型:字符串

值:应用程序使用此信息向您显示您的位置