Map Demo iOS9 Udemy

ViewController.swift

//
//  ViewController.swift
//  Map Demo
//
//  Created by Armando Flores on 11/6/15.
//  Copyright © 2015 Armando Flores. All rights reserved.
//

import UIKit
import MapKit

class ViewController: UIViewController, MKMapViewDelegate {

  
  @IBOutlet weak var map: MKMapView!
  
  override func viewDidLoad() {
    super.viewDidLoad()
    // Do any additional setup after loading the view, typically from a nib.

    setInitalMap()
    detectLongPressWithAction("addPin:")
    
  }

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

  func setInitalMap() {
    
    let lat:CLLocationDegrees = 25.71
    let lng:CLLocationDegrees = -80.41
    let loc:CLLocationCoordinate2D = CLLocationCoordinate2DMake(lat,lng)
    
    let latDeltaDeg:CLLocationDegrees = 0.7
    let lngDeltaDeg:CLLocationDegrees = 0.7
    let span:MKCoordinateSpan = MKCoordinateSpanMake(latDeltaDeg, lngDeltaDeg)

    let region:MKCoordinateRegion = MKCoordinateRegionMake(loc,span)
    
    map.setRegion(region, animated: true)
  }
  
  func detectLongPressWithAction(execAction:String) {
    
    let uilpgr = UILongPressGestureRecognizer(target: self, action: Selector(execAction))
    uilpgr.minimumPressDuration = 0.7 //press for 2 seconds
    
    self.map.addGestureRecognizer(uilpgr)
    
  }
  
  func addPin(gRec: UILongPressGestureRecognizer) {
    
    let touchPoint = gRec.locationInView(self.map)
    let newCoord: CLLocationCoordinate2D = map.convertPoint(touchPoint, toCoordinateFromView: self.map)
    
    let annotation = MKPointAnnotation()
    annotation.coordinate = newCoord
    annotation.title = "Here"
    annotation.subtitle = "lat: \(newCoord.latitude) long: \(newCoord.longitude)"
    
    map.addAnnotation(annotation)
  }
  
}