iOS之集成GoogleMap(定位、搜索)需要注意的事:http://www.cocoachina.com/cms/wap.php?action=article&id=21868

3.我的示例代码:

import UIKit
import GoogleMaps
import GooglePlaceslet screenH = UIScreen.main.bounds.size.height
let screenW = UIScreen.main.bounds.size.widthclass BookController: UIViewController,UITableViewDelegate,UITableViewDataSource {//MARK:UI widget@IBOutlet weak var googleMapView: UIView!@IBOutlet weak var merchantTable: UITableView!@IBOutlet weak var searchBarView: UIView!//MARK:Othersvar merchantList: Array<MerchantBookDetail> = []//MARK: Google mapvar placesClient: GMSPlacesClient!var locationManager = CLLocationManager()var currentLocation: CLLocation?var mapView: GMSMapView?var zoomLevel: Float = 16.0// An array to hold the list of likely places.var likelyPlaces: [GMSPlace] = []// The currently selected place.var selectedPlace: GMSPlace?// A default location to use when location permission is not granted.let defaultLocation = CLLocation(latitude: -33.869405, longitude: 151.199)override func viewDidLoad() {super.viewDidLoad()// Do any additional setup after loading the view, typically from a nib.initData()initView()}func initData()  {merchantList = initMerchant()placesClient = GMSPlacesClient.shared()// Initialize the location manager.locationManager = CLLocationManager()locationManager.desiredAccuracy = kCLLocationAccuracyBestlocationManager.requestAlwaysAuthorization()locationManager.distanceFilter = 50locationManager.startUpdatingLocation()locationManager.delegate = self}func initView()  {loadGoogleMap()//tablemerchantTable.delegate = selfmerchantTable.dataSource = selfmerchantTable.separatorStyle = UITableViewCellSeparatorStyle.none}func initMerchant() -> Array<MerchantBookDetail> {let merchant_one = MerchantBookDetail(merchant: "般咸道35号地下\n电话:2297 3377")let merchant_two = MerchantBookDetail(merchant: "尖沙咀金马伦道12号\n恒信商业大厦l字全层\n电话:3422 8855")let merchantList : [MerchantBookDetail] = [merchant_one,merchant_two];return merchantList}// Update the map once the user has made their selection.@IBAction func unwindToMain(segue: UIStoryboardSegue) {// Clear the map.mapView?.clear()// Add a marker to the map.if selectedPlace != nil {let marker = GMSMarker(position: (self.selectedPlace?.coordinate)!)marker.title = selectedPlace?.namemarker.snippet = selectedPlace?.formattedAddressmarker.map = mapView}listLikelyPlaces()}// Populate the array with the list of likely places.func listLikelyPlaces() {// Clean up from previous sessions.likelyPlaces.removeAll()placesClient.currentPlace(callback: { (placeLikelihoods, error) -> Void inif let error = error {// TODO: Handle the error.print("Current Place error: \(error.localizedDescription)")return}// Get likely places and add to the list.if let likelihoodList = placeLikelihoods {for likelihood in likelihoodList.likelihoods {let place = likelihood.placeself.likelyPlaces.append(place)}}})}override func didReceiveMemoryWarning() {super.didReceiveMemoryWarning()// Dispose of any resources that can be recreated.}@IBAction func selectBtnAction(_ sender: Any) {let bookSelectVC:BookSelectController = UIStoryboard.init(name: "Book", bundle: nil).instantiateViewController(withIdentifier: "book-select") as! BookSelectControllerself.navigationController?.pushViewController(bookSelectVC, animated: true)}func loadGoogleMap() {// Create a GMSCameraPosition that tells the map to display thelet camera = GMSCameraPosition.camera(withLatitude: defaultLocation.coordinate.latitude,longitude: defaultLocation.coordinate.longitude,zoom: zoomLevel)let rect = CGRect(x: 0, y: 0, width: googleMapView.frame.width, height: googleMapView.frame.height)mapView = GMSMapView.map(withFrame: rect, camera: camera)mapView?.settings.myLocationButton = truemapView?.autoresizingMask = [.flexibleWidth, .flexibleHeight]mapView?.isMyLocationEnabled = truemapView?.settings.compassButton = truegoogleMapView.backgroundColor = UIColor.clear// Add the map to the view, hide it until we've got a location update.googleMapView.addSubview(mapView!)
//        mapView?.isHidden = truelistLikelyPlaces()googleMapView.addSubview(searchBarView)}func safeAreaInsetmap(view: UIView) -> UIEdgeInsets {if #available(iOS 11, *) {return view.safeAreaInsets}return UIEdgeInsets.zero}//MARK:table view APIfunc tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {return merchantList.count}func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {let row = indexPath.rowlet cellId = "book_map_cell"let cell: BookMapTableCellTableViewCell = tableView.dequeueReusableCell(withIdentifier: cellId, for: indexPath) as! BookMapTableCellTableViewCelllet merchant = merchantList[row]cell.merchantDetail.text = merchant.merchantDetailcell.merchantImage.image = UIImage.init(named: "merchantImage_\(row+1)")return cell}
}// Delegates to handle events for the location manager.
extension  BookController: CLLocationManagerDelegate {// Handle incoming location events.func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {let location: CLLocation = locations.last!print("Location: \(location)")let camera = GMSCameraPosition.camera(withLatitude: location.coordinate.latitude,longitude: location.coordinate.longitude,zoom: zoomLevel)let position2D = CLLocationCoordinate2D(latitude: location.coordinate.latitude, longitude: location.coordinate.longitude)let marker = GMSMarker(position: position2D)marker.map = self.mapViewif (mapView?.isHidden)! {mapView?.isHidden = falsemapView?.camera = camera} else {mapView?.animate(to: camera)}listLikelyPlaces()}// Handle authorization for the location manager.func locationManager(_ manager: CLLocationManager, didChangeAuthorization status: CLAuthorizationStatus) {switch status {case .restricted:print("Location access was restricted.")case .denied:print("User denied access to location.")// Display the map using the default location.mapView?.isHidden = falsecase .notDetermined:print("Location status not determined.")case .authorizedAlways: fallthroughcase .authorizedWhenInUse:print("Location status is OK.")}}// Handle location manager errors.func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {locationManager.stopUpdatingLocation()print("Error: \(error)")}
}