kmpdfkit_demo/ios/Runner/AppDelegate.swift

import UIKit
import Flutter


@UIApplicationMain
@objc class AppDelegate: FlutterAppDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
      let controller : FlutterViewController = window?.rootViewController as! FlutterViewController
      ConversionSDKInfoPlugin(messenger: controller.binaryMessenger)
      ConverFilePlugin(messenger: controller.binaryMessenger)
      GeneratedPluginRegistrant.register(with: self)
      return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }
}