An interactive Google Map with custom interactive markers

GMInteractiveMarker.swift

import UIKit
import GoogleMaps

class GMInteractiveMarker: UIViewController,GMSMapViewDelegate {

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

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


    func loadMap() {
        let camera = GMSCameraPosition.cameraWithLatitude(41.887,
                                                          longitude:-87.622, zoom:15)
        let mapView = GMSMapView.mapWithFrame(CGRectZero, camera:camera)
        mapView.delegate = self
        self.addMarkers(mapView)

        
        self.view = mapView
    }
    
    func addMarkers(mapView:GMSMapView) {
        let marker = GMSMarker()
        marker.position = CLLocationCoordinate2DMake(41.887, -87.622)
        marker.appearAnimation = kGMSMarkerAnimationPop
        marker.icon = UIImage(named: "Map-Marker-Marker-Outside-Azure")
        marker.title = "Sample location 1"
        marker.map = mapView
        
        
        let marker2 = GMSMarker()
        marker2.position = CLLocationCoordinate2DMake(41.880, -87.622)
        marker2.appearAnimation = kGMSMarkerAnimationPop
        marker2.icon = UIImage(named: "Map-Marker-Marker-Outside-Azure")
        marker2.title = "Sample location 2"
        marker2.map = mapView
    }
    
    //MARK: - GMSMapView Delegate
    
    func mapView(mapView: GMSMapView, didTapMarker marker: GMSMarker) -> Bool{
        print(marker.title)
        return true
    }
}