Navigation view controller example

ViewController.swift

//
//  ViewController.swift
//  EmptyMBNavProject
//
//  Created by John Newman on 12/10/20.
//

import MapboxDirections
import MapboxCoreNavigation
import MapboxNavigation
 
class ViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
         
        // Define two waypoints to travel between
        let origin = Waypoint(coordinate: CLLocationCoordinate2D(latitude: 38.9131752, longitude: -77.0324047), name: "Mapbox")
        let destination = Waypoint(coordinate: CLLocationCoordinate2D(latitude: 38.8977, longitude: -77.0365), name: "White House")
         
        // Set options
        let routeOptions = NavigationRouteOptions(waypoints: [origin, destination])
         
        // Request a route using MapboxDirections.swift
        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
                }
                // Pass the first generated route to the the NavigationViewController
                let service = MapboxNavigationService(
                    route: route,
                    routeIndex: 0,
                    routeOptions: routeOptions,
                    directions: nil,
                    locationSource: nil,
                    eventsManagerType: nil,
                    simulating: .always,
                    routerType: nil)
                
                let navigationOptions = NavigationOptions(
                    styles: nil,
                    navigationService: service,
                    voiceController: nil,
                    topBanner: nil,
                    bottomBanner: nil
                )
                
                let viewController = NavigationViewController(
                    for: route,
                    routeIndex: 0,
                    routeOptions: routeOptions,
                    navigationOptions: navigationOptions
                )

                viewController.modalPresentationStyle = .fullScreen
                strongSelf.present(viewController, animated: true, completion: nil)
            }
        }
    }
}