Dependencies

swift >= 2.0
Deployment Target == 9.1

Google Maps SDK for IOS

API Keyの取得
Google Maps SDK のインストール

Build Settings > Build Options > Enable Bitcode をNoにする。
( error: linker command failed with exit code 1 )

AppDelegate.swift

import UIKit
import GoogleMaps

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

  var window: UIWindow?
  let cGoogleMapsAPIKey = "==API_KEY=============================="

  func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
    GMSServices.provideAPIKey(cGoogleMapsAPIKey)
    return true
  }

  func applicationWillResignActive(application: UIApplication) {}
  func applicationDidEnterBackground(application: UIApplication) {}
  func applicationWillEnterForeground(application: UIApplication) {}
  func applicationDidBecomeActive(application: UIApplication) {}
  func applicationWillTerminate(application: UIApplication) {}
}

ViewController.swift

import UIKit
import GoogleMaps

class ViewController: UIViewController {

  override func viewDidLoad() {
    super.viewDidLoad()

    let camera = GMSCameraPosition.cameraWithLatitude(-33.868,
      longitude:151.2086, zoom:6)
    let mapView = GMSMapView.mapWithFrame(CGRectZero, camera:camera)
    
    let marker = GMSMarker()
    marker.position = camera.target
    marker.snippet = "Hello World"
    marker.appearAnimation = kGMSMarkerAnimationPop
    marker.map = mapView
    
    self.view = mapView
  }

  override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()
  }
}