Use of Unresolved Identifier 'GMSServices'

Question

I am using Xcode 7.1 and the deployment target is iOS 9.1. The app is \"AreaCalculator\" and it was written in Swift. I did following to set up the framework and import the map:

Answer 1

....
#add this line
import GoogleMaps


@UIApplicationMain
@objc class AppDelegate: FlutterAppDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
  GMSServices.provideAPIKey("YOUR-API-KEY")
    GeneratedPluginRegistrant.register(with: self)
    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }
}