import Flutter import UIKit public class FlutterUmengPlugin: NSObject, FlutterPlugin { public static func register(with registrar: FlutterPluginRegistrar) { let channel = FlutterMethodChannel(name: "flutter_umeng", binaryMessenger: registrar.messenger()) let instance = FlutterUmengPlugin() registrar.addMethodCallDelegate(instance, channel: channel) } public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) { switch call.method { case "getPlatformVersion": result("iOS " + UIDevice.current.systemVersion) default: result(FlutterMethodNotImplemented) } } }