[ios] Show Current Location and Update Location in MKMapView in Swift

100% working, easy steps and tested

Import libraries:

import MapKit
import CoreLocation

set delegates:

CLLocationManagerDelegate,MKMapViewDelegate

Take variable:

let locationManager = CLLocationManager()

write this code on viewDidLoad():

self.locationManager.requestAlwaysAuthorization()

    // For use in foreground
    self.locationManager.requestWhenInUseAuthorization()

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

    mapView.delegate = self
    mapView.mapType = .standard
    mapView.isZoomEnabled = true
    mapView.isScrollEnabled = true

    if let coor = mapView.userLocation.location?.coordinate{
        mapView.setCenter(coor, animated: true)
    }

Write delegate method for location:

func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
    let locValue:CLLocationCoordinate2D = manager.location!.coordinate

    mapView.mapType = MKMapType.standard

    let span = MKCoordinateSpanMake(0.05, 0.05)
    let region = MKCoordinateRegion(center: locValue, span: span)
    mapView.setRegion(region, animated: true)

    let annotation = MKPointAnnotation()
    annotation.coordinate = locValue
    annotation.title = "Javed Multani"
    annotation.subtitle = "current location"
    mapView.addAnnotation(annotation)

    //centerMap(locValue)
}

Do not forgot to set permission in info.plist

<key>NSLocationWhenInUseUsageDescription</key>
<string>This application requires location services to work</string>

<key>NSLocationAlwaysUsageDescription</key>
<string>This application requires location services to work</string>

It's look like:

enter image description here

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