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안녕하세요. iOS 용 애플리케이션을 개발 중이며 기능 중 하나는 사용자의 현재 위치를 찾아야합니다. 나는 사용자의 현재 위치를 찾기 위해 노력하고 어디는 FUNC의을 locationManager를 볼 하단에신속하게 사용자의 위치를 찾는 방법은 무엇입니까?
import UIKit
import MapKit
import CoreLocation
import SwiftyJSON
struct City {
let name : String
let location : CLLocation
let description :String
let imageName : String
func distanceTo(location:CLLocation) -> Int
{
let distanceMeters = location.distanceFromLocation(self.location)
let distanceKilometers = distanceMeters/1000.00
return Int(round(100 * distanceKilometers)/100)
}
}
class FirstViewController: UIViewController, CLLocationManagerDelegate {
@IBOutlet weak var LabelTest: UILabel!
@IBOutlet weak var Slider: UISlider!
@IBOutlet weak var LabelValueSlider: UILabel!
var MySliderCurrentValue = Double()
var manager = CLLocationManager()
var userLoc: CLLocationCoordinate2D!
{
willSet{
self.orderCitysByProximity()
self.filterCitysByProximity(Int(self.Slider.value))
self.LocateMe(manager)
}
}
var cities = [City]()
var nearbyCities = [City]()
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
let path: String = NSBundle.mainBundle().pathForResource("cities", ofType: "json") as String!
let jsonData = NSData(contentsOfFile: path) as NSData!
//let ReadableJSON = JSON (data:jsonData, options: NSJSONReadingOptions.MutableContainers, error: nil)
do {
let jsonObject = try NSJSONSerialization.JSONObjectWithData(jsonData!, options: NSJSONReadingOptions.MutableContainers) as! [String:AnyObject]
for city in jsonObject["cities"] as! [[String:AnyObject]] {
//let coordinates = position["Position"] as! [String:CLLocationDegrees]
let cityName = city["Name"] as! String
let latitude = city["Latitude"] as! Double
let longitude = city["Longitude"] as! Double
let description = city["Description"] as! String
let image = city["Image"] as! String
let location = CLLocation(latitude: latitude, longitude: longitude)
let city = City(name: cityName, location: location,description: description, imageName: image)
cities.append(city)
// print(cities)
}
self.orderCitysByProximity()
self.filterCitysByProximity(Int(self.Slider.value))
} catch let error as NSError {
print(error)
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
@IBAction func SliderChange(sender: UISlider) {
let MySliderCurrentValue: String = String(Int(sender.value))
LabelValueSlider.text = MySliderCurrentValue
self.filterCitysByProximity(Int(sender.value))
}
@IBAction func goToTableView()
{
if let tableViewController = self.storyboard?.instantiateViewControllerWithIdentifier("tableViewController") as? TableViewController
{
tableViewController.cities = self.nearbyCities
self.navigationController?.pushViewController(tableViewController, animated: true)
}
}
func filterCitysByProximity(kilometers:Int)
{
self.nearbyCities.removeAll()
for city in self.cities {
if(city.distanceTo(self.userLoc) <= kilometers*2)
{
self.nearbyCities.append(city)
}
}
self.LabelTest.text = "you have \(self.nearbyCities.count) cities nearby"
let OrderedArray = self.nearbyCities.sort({ $0.distanceTo(self.userLoc) < $1.distanceTo(self.userLoc) })
self.nearbyCities = OrderedArray
}
func orderCitysByProximity()
{
let OrderedArray = self.cities.sort({ $0.distanceTo(self.userLoc) < $1.distanceTo(self.userLoc) })
self.cities = OrderedArray
}
@IBAction func LocateMe(sender: AnyObject) {
manager.delegate = self
manager.desiredAccuracy = kCLLocationAccuracyBest
manager.requestWhenInUseAuthorization()
manager.startUpdatingLocation()
}
func locationManager(manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
let userlocation: CLLocation = locations[0] as CLLocation
manager.stopUpdatingLocation()
let location = CLLocationCoordinate2D(latitude: userlocation.coordinate.latitude, longitude: userlocation.coordinate.longitude)
self.userLoc = location
}
}
: 여기 내 코드입니다. 이 함수를 시작하여 userLoc을 입력 할 때 앱이 인식하도록하는 방법을 알려주십시오. userLoc은 사용자의 좌표이며 func filterCitysByProximity와 같은 다른 함수에서 사용해야하며 나머지는 코드에서 볼 수 있습니다. 문제의
문제점은 무엇입니까? – Dravidian