Basic (iOS / Swift) CarPlay Map App

CarPlayMapView.swift

class CarPlayMapView: UIViewController, CPMapTemplateDelegate {

    var mapView: MKMapView?
    
    override func viewDidLoad() {
        super.viewDidLoad()

        print("loading the carplay mapview")

        let region = MKCoordinateRegion(
           center: CLLocationCoordinate2D(latitude: 0, longitude: 0),
           span: MKCoordinateSpan(latitudeDelta: 0.5, longitudeDelta: 0.5)
        )

        self.mapView = MKMapView(frame: view.bounds)
        self.mapView!.setRegion(region, animated: true)
        self.mapView!.showsUserLocation = true
        self.mapView!.setUserTrackingMode(.follow, animated: true)
        self.mapView!.overrideUserInterfaceStyle = .light

        self.mapView!.translatesAutoresizingMaskIntoConstraints = false
        self.view.addSubview(self.mapView!)

        self.mapView!.topAnchor.constraint(equalTo: view.topAnchor).isActive = true
        self.mapView!.rightAnchor.constraint(equalTo: view.rightAnchor).isActive = true
        self.mapView!.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true
        self.mapView!.leftAnchor.constraint(equalTo: view.leftAnchor).isActive = true
    }
    
    func mapTemplateDidBeginPanGesture(_ mapTemplate: CPMapTemplate) {
        print("🚙🚙🚙🚙🚙 Panning")
    }
    
    func mapTemplate(_ mapTemplate: CPMapTemplate, panWith direction: CPMapTemplate.PanDirection) {
        print("🚙🚙🚙🚙🚙 Panning: \(direction)")
    }
}

CarPlaySceneDelegate.swift

import UIKit
import SwiftUI
import CarPlay


@available(iOS 14.0, *)
class CarPlaySceneDelegate: UIResponder, CPTemplateApplicationSceneDelegate {
    
    var carWindow: CPWindow?
    var interfaceController: CPInterfaceController?
    
    //var locationService: LocationService
    var mapTemplate: CPMapTemplate?
    var mapView: CarPlayMapView?
    
    // CarPlay connected
    func templateApplicationScene(_ templateApplicationScene: CPTemplateApplicationScene, didConnect interfaceController: CPInterfaceController, to window: CPWindow) {
        print("🚙🚙🚙🚙🚙  Connected to CarPlay.")
        self.interfaceController = interfaceController
        
        initTemplates()
        
        self.mapView = CarPlayMapView()
        window.rootViewController = self.mapView
        self.carWindow = window
        self.carWindow?.isUserInteractionEnabled = true
        self.carWindow?.isMultipleTouchEnabled = true
        self.interfaceController?.setRootTemplate(self.mapTemplate!, animated: true, completion: {_, _ in })
    }
    
    // CarPlay disconnected
    private func templateApplicationScene(_ templateApplicationScene: CPTemplateApplicationScene, didDisconnect interfaceController: CPInterfaceController) {
        print("🚙🚙🚙🚙🚙 Disconnected from CarPlay.")
        self.interfaceController = nil
    }
    
    private func getMapBarButtons() -> [CPBarButton] {
        return [
            CPBarButton(image: UIImage(systemName: "location")!, handler: { _ in
                print("🚙🚙🚙🚙🚙 Tapped locate me")
            })
        ]
    }
    
    private func initTemplates() {
        self.mapTemplate = CPMapTemplate()
        self.mapTemplate?.automaticallyHidesNavigationBar = false
        self.mapTemplate?.trailingNavigationBarButtons.append(contentsOf: getMapBarButtons())
        self.mapTemplate?.showPanningInterface(animated: true)
        self.mapTemplate?.mapDelegate = self.mapView
        
    }
}