import UIKit import Flutter @main @objc class AppDelegate: FlutterAppDelegate { override func application( _ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? ) -> Bool { GeneratedPluginRegistrant.register(with: self) // Register piegon handler let controller: FlutterViewController = window?.rootViewController as! FlutterViewController ImHostServiceSetup.setUp(binaryMessenger: controller.binaryMessenger, api: ImHostServiceImpl()) return super.application(application, didFinishLaunchingWithOptions: launchOptions) } }