Mapbox iOS SDK 3 - annotation title not showing when annotation is tapped - ios

Question

I'm having a hard time figuring out how to make the annotation title appear when a user tapped an annotation pointed to the current location. Everything is working fine except this. I am using CLLocationManager wrapper from https://github.com/varshylmobile/LocationManager but I don't think it's affecting the Mapbox since I can display my pins correctly on the map.
Here's the screenshot sample:
As you can see, I could run the app without any problems. It's just when I set some annotation title and subtitle to the pin, and tapped it at run-time, it doesn't show anything.
Here's my code snippet for the annotation:
let point = MGLPointAnnotation()
point.coordinate = CLLocationCoordinate2D(latitude: location.coordinate.latitude, longitude: location.coordinate.longitude)
point.title = "Hello world!"
point.subtitle = "Welcome to The Ellipse."
self.mapView.addAnnotation(point)
let point2 = MGLPointAnnotation()
point2.coordinate = CLLocationCoordinate2D(latitude: 37.43259552, longitude: location.coordinate.longitude)
point2.title = "Hello world!"
point2.subtitle = "Welcome to The Ellipse."
self.mapView.addAnnotation(point2)
self.mapView.selectAnnotation(point, animated: true)
self.mapView.showAnnotations([point, point2], animated: true)
and here is the call out function:
func mapView(mapView: MGLMapView, annotationCanShowCallout annotation: MGLAnnotation) -> Bool {
return true
}
func mapView(mapView: MGLMapView, imageForAnnotation annotation: MGLAnnotation) -> MGLAnnotationImage? {
return nil
}
I am on iOS 9.2, xCode 7.
Thank you!

Answer 1

I forgot this line of code after instantiating my map view.
mapView.delegate = self
Thanks!

Answer 2

Here's an example of how to configure basic callout views with the Mapbox iOS SDK:
import Mapbox
class ViewController: UIViewController, MGLMapViewDelegate {
var mapView: MGLMapView!
override func viewDidLoad() {
super.viewDidLoad()
mapView = MGLMapView(frame: view.bounds)
mapView.autoresizingMask = [.FlexibleWidth, .FlexibleHeight]
view.addSubview(mapView)
// remember to set the delegate (or much of this will not work)
mapView.delegate = self
addAnnotation()
}
func addAnnotation() {
let annotation = MGLPointAnnotation()
annotation.coordinate = CLLocationCoordinate2DMake(35.03946, 135.72956)
annotation.title = "Kinkaku-ji"
annotation.subtitle = "\(annotation.coordinate.latitude), \(annotation.coordinate.longitude)"
mapView.addAnnotation(annotation)
// fit the map to the annotation(s)
mapView.showAnnotations(mapView.annotations!, animated: false)
// pop-up the callout view
mapView.selectAnnotation(annotation, animated: true)
}
func mapView(mapView: MGLMapView, annotationCanShowCallout annotation: MGLAnnotation) -> Bool {
return true
}
func mapView(mapView: MGLMapView, leftCalloutAccessoryViewForAnnotation annotation: MGLAnnotation) -> UIView? {
if (annotation.title! == "Kinkaku-ji") {
let label = UILabel(frame: CGRectMake(0, 0, 60, 50))
label.textAlignment = .Right
label.textColor = UIColor(red: 0.81, green: 0.71, blue: 0.23, alpha: 1)
label.text = "金閣寺"
return label
}
return nil
}
func mapView(mapView: MGLMapView, rightCalloutAccessoryViewForAnnotation annotation: MGLAnnotation) -> UIView? {
return UIButton(type: .DetailDisclosure)
}
func mapView(mapView: MGLMapView, annotation: MGLAnnotation, calloutAccessoryControlTapped control: UIControl) {
// hide the callout view
mapView.deselectAnnotation(annotation, animated: false)
UIAlertView(title: annotation.title!!, message: "A lovely (if touristy) place.", delegate: nil, cancelButtonTitle: nil, otherButtonTitles: "OK").show()
}
}