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Waypoint arrival screen

A newer version of the Navigation SDK is available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 A newer version of the SDK is available.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, v2.17.0, in the Navigation SDK documentation.

import Foundation
import UIKit
import MapboxCoreNavigation
import MapboxNavigation
import MapboxDirections

class WaypointArrivalScreenViewController: UIViewController {

override func viewDidLoad() {

let waypointOne = Waypoint(coordinate: CLLocationCoordinate2DMake(37.777655950348475, -122.43199467658997))
let waypointTwo = Waypoint(coordinate: CLLocationCoordinate2DMake(37.776087132342745, -122.4329173564911))
let waypointThree = Waypoint(coordinate: CLLocationCoordinate2DMake(37.775357832637184, -122.43493974208832))

let routeOptions = NavigationRouteOptions(waypoints: [waypointOne, waypointTwo, waypointThree])

Directions.shared.calculate(routeOptions) { [weak self] (session, result) in
switch result {
case .failure(let error):
case .success(let response):
guard let route = response.routes?.first, let strongSelf = self else {

// 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.delegate = strongSelf

strongSelf.present(navigationViewController, animated: true, completion: nil)

extension WaypointArrivalScreenViewController: NavigationViewControllerDelegate {
// Show an alert when arriving at the waypoint and wait until the user to start next leg.
func navigationViewController(_ navigationViewController: NavigationViewController, didArriveAt waypoint: Waypoint) -> Bool {
let isFinalLeg = navigationViewController.navigationService.routeProgress.isFinalLeg
if isFinalLeg {
return true

let alert = UIAlertController(title: "Arrived at \( ?? "Unknown").", message: "Would you like to continue?", preferredStyle: .alert)
alert.addAction(UIAlertAction(title: "Ok", style: .default, handler: { action in
// Begin the next leg once the driver confirms
if !isFinalLeg {
navigationViewController.navigationService.routeProgress.legIndex += 1
navigationViewController.present(alert, animated: true, completion: nil)

return false

func navigationViewControllerDidDismiss(_ navigationViewController: NavigationViewController, byCanceling canceled: Bool) {
dismiss(animated: true, completion: nil)