Custom destination marker | Navigation SDK v1 | iOS

A newer version of the Navigation SDK is available
This page uses v1.4.2 of the Mapbox Navigation SDK. A newer version of the SDK is available. Learn about the latest version, v2.18.1, in the Navigation SDK documentation.
Swift
ViewController
import Foundation
import UIKit
import MapboxCoreNavigation
import MapboxNavigation
import MapboxDirections

class CustomDestinationMarkerController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        
        let origin = CLLocationCoordinate2DMake(37.77440680146262, -122.43539772352648)
        let destination = CLLocationCoordinate2DMake(37.76556957793795, -122.42409811526268)
        let routeOptions = NavigationRouteOptions(coordinates: [origin, destination])
        
        Directions.shared.calculate(routeOptions) { [weak self] (session, result) in
            switch result {
            case .failure(let error):
                print(error.localizedDescription)
            case .success(let response):
                guard let route = response.routes?.first, let strongSelf = self else {
                    return
                }
                
                // For demonstration purposes, simulate locations if the Simulate Navigation option is on.
                let navigationService = MapboxNavigationService(route: route, routeIndex: 0, routeOptions: routeOptions, simulating: simulationIsEnabled ? .always : .onPoorGPS)
                let navigationOptions = NavigationOptions(navigationService: navigationService)
                let navigationViewController = NavigationViewController(for: route, routeIndex: 0, routeOptions: routeOptions, navigationOptions: navigationOptions)
                navigationViewController.modalPresentationStyle = .fullScreen
                navigationViewController.mapView?.delegate = strongSelf
                navigationViewController.routeLineTracksTraversal = true
                
                strongSelf.present(navigationViewController, animated: true, completion: nil)
            }
        }
    }
}

extension CustomDestinationMarkerController: MGLMapViewDelegate {

    func mapView(_ mapView: MGLMapView, imageFor annotation: MGLAnnotation) -> MGLAnnotationImage? {
        var annotationImage = mapView.dequeueReusableAnnotationImage(withIdentifier: "marker")
        
        if annotationImage == nil {
            // Leaning Tower of Pisa by Stefan Spieler from the Noun Project.
            var image = UIImage(named: "marker")!
            
            // The anchor point of an annotation is currently always the center. To
            // shift the anchor point to the bottom of the annotation, the image
            // asset includes transparent bottom padding equal to the original image
            // height.
            //
            // To make this padding non-interactive, we create another image object
            // with a custom alignment rect that excludes the padding.
            image = image.withAlignmentRectInsets(UIEdgeInsets(top: 0, left: 0, bottom: image.size.height / 2, right: 0))
            
            // Initialize the ‘pisa’ annotation image with the UIImage we just loaded.
            annotationImage = MGLAnnotationImage(image: image, reuseIdentifier: "marker")
        }
        
        return annotationImage
    }
}