ElectronicAssistant/ios/Runner/AppDelegate.swift

import Flutter
import UIKit
import flutter_local_notifications

@main
@objc class AppDelegate: FlutterAppDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
      
    FlutterLocalNotificationsPlugin.setPluginRegistrantCallback { (registry) in
        GeneratedPluginRegistrant.register(with: registry)
    }
      
    if #available(iOS 10.0, *) {
        UNUserNotificationCenter.current().delegate = self as UNUserNotificationCenterDelegate
    }
      
    GeneratedPluginRegistrant.register(with: self)

    SwiftFlutterForegroundTaskPlugin.setPluginRegistrantCallback(registerPlugins)

    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }
    
    override func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable : Any], fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
        super.application(application, didReceiveRemoteNotification: userInfo, fetchCompletionHandler: completionHandler)
    }
}

func registerPlugins(registry: FlutterPluginRegistry) {
  GeneratedPluginRegistrant.register(with: registry)
}