Google Maps SDK for iOS の使い方（Swift 4対応） ref: https://qiita.com/koogawa/items/adc2dd19015586bda39b

file0.rb

source 'https://github.com/CocoaPods/Specs.git'
target 'YOUR_APPLICATION_TARGET_NAME_HERE' do
  pod 'GoogleMaps'
  pod 'GooglePlaces'
end

file0.txt

mapView_.mapType = kGMSTypeSatellite;

file1.swift

import GoogleMaps

file1.txt

GMSMarkerOptions *markerOptions = [[GMSMarkerOptions alloc] init];
markerOptions.position = CLLocationCoordinate2DMake(35.6662026, 139.7312591);
markerOptions.title = @"東京ミッドタウン";
markerOptions.snippet = @"東京都港区赤坂9−7−1";

[self.mapView addMarkerWithOptions:markerOptions];

file10.m

mapView_.mapType = kGMSTypeSatellite;

file11.swift

let marker = GMSMarker()
marker.position = CLLocationCoordinate2D(latitude: -33.86, longitude: 151.20)
marker.title = "Sydney"
marker.snippet = "Australia"
marker.map = mapView

file12.m

GMSMarkerOptions *markerOptions = [[GMSMarkerOptions alloc] init];
markerOptions.position = CLLocationCoordinate2DMake(-33.86, 151.20);
markerOptions.title = @"Sydney";
markerOptions.snippet = @"Australia";
markerOptions.map = mapView;

file13.swift

func mapView(_ mapView: GMSMapView, didTap marker: GMSMarker) -> Bool {

file14.m

- (BOOL)mapView:(GMSMapView *)mapView didTapMarker:(id<GMSMarker>)marker;

file15.swift

func mapView(_ mapView: GMSMapView, didTapInfoWindowOf marker: GMSMarker) {

file16.m

- (void)mapView:(GMSMapView *)mapView
    didTapInfoWindowOfMarker:(id<GMSMarker>)marker;

file17.swift

let path = GMSMutablePath()
path.add(CLLocationCoordinate2D(latitude:37.36, longitude: -122.0))
path.add(CLLocationCoordinate2D(latitude:37.45, longitude: -122.0))
path.add(CLLocationCoordinate2D(latitude:37.45, longitude: -122.2))
path.add(CLLocationCoordinate2D(latitude:37.36, longitude: -122.2))
path.add(CLLocationCoordinate2D(latitude:37.36, longitude: -122.0))

let rectangle = GMSPolyline(path: path)
rectangle.map = mapView

file18.m

GMSMutablePath *path = [GMSMutablePath path];
[path addCoordinate:CLLocationCoordinate2DMake(37.36, -122.0)];
[path addCoordinate:CLLocationCoordinate2DMake(37.45, -122.0)];
[path addCoordinate:CLLocationCoordinate2DMake(37.45, -122.2)];
[path addCoordinate:CLLocationCoordinate2DMake(37.36, -122.2)];
[path addCoordinate:CLLocationCoordinate2DMake(37.36, -122.0)];

GMSPolyline *rectangle = [GMSPolyline polylineWithPath:path];
rectangle.map = mapView;

file2.m

@import GoogleMaps;

file2.txt

- (BOOL)mapView:(GMSMapView *)mapView didTapMarker:(id<GMSMarker>)marker;

file3.swift

GMSServices.provideAPIKey("YOUR_API_KEY")

file3.txt

- (void)mapView:(GMSMapView *)mapView
    didTapInfoWindowOfMarker:(id<GMSMarker>)marker;

file4.m

[GMSServices provideAPIKey:@"YOUR_API_KEY"];

file4.txt

GMSPolylineOptions *rectangle = [GMSPolylineOptions options];

GMSMutablePath *path = [GMSMutablePath path];
[path addCoordinate:CLLocationCoordinate2DMake(35.6662026, 139.7312591)];
[path addCoordinate:CLLocationCoordinate2DMake(35.6762026, 139.7312591)];
[path addCoordinate:CLLocationCoordinate2DMake(35.6762026, 139.7412591)];
[path addCoordinate:CLLocationCoordinate2DMake(35.6662026, 139.7412591)];
[path addCoordinate:CLLocationCoordinate2DMake(35.6662026, 139.7312591)];
rectangle.path = path;

[self.mapView addPolylineWithOptions:rectangle];

file5.swift

let camera = GMSCameraPosition.camera(withLatitude: -33.86, longitude: 151.20, zoom: 6.0)
let mapView = GMSMapView.map(withFrame: CGRect.zero, camera: camera)
view = mapView

file6.txt

GMSCameraPosition *camera = [GMSCameraPosition cameraWithLatitude:-33.86
                                                          longitude:151.20
                                                               zoom:6];
GMSMapView *mapView = [GMSMapView mapWithFrame:CGRectZero camera:camera];
self.view = mapView;

file7.swift

mapView.isMyLocationEnabled = true

file8.m

mapView.myLocationEnabled = YES;

file9.swift

mapView.mapType = .satellite