HMG_Patient_App_New/ios/Runner/AppDelegate.swift

import Flutter
import UIKit
import FirebaseCore
import FirebaseMessaging
import GoogleMaps
@main
@objc class AppDelegate: FlutterAppDelegate, FlutterImplicitEngineDelegate {
    func didInitializeImplicitFlutterEngine(_ engineBridge: any FlutterImplicitEngineBridge) {
        GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
        
//        GMSServices.provideAPIKey("AIzaSyB6TERnxIr0yJ3qG4ULBZbu0sAD4tGqtng")
//        FirebaseApp.configure()
//        initializePlatformChannels()
        
    }
    
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
    GMSServices.provideAPIKey("AIzaSyB6TERnxIr0yJ3qG4ULBZbu0sAD4tGqtng")
//    FirebaseApp.configure()
    initializePlatformChannels()
//    GeneratedPluginRegistrant.register(with: self)
    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }
    func initializePlatformChannels(){

        DispatchQueue.main.async { [weak self] in
                guard let self = self else { return }
                
                // 1. Try accessing window via AppDelegate (legacy/single-window setup)
                var controller = self.window?.rootViewController as? FlutterViewController
                
                // 2. Fallback to UIWindowScene active window (modern iOS architecture)
                if controller == nil {
                    controller = UIApplication.shared.connectedScenes
                        .compactMap { $0 as? UIWindowScene }
                        .flatMap { $0.windows }
                        .first(where: { $0.isKeyWindow })?
                        .rootViewController as? FlutterViewController
                }
                
                // 3. Perform initialization once FlutterViewController is available
                if let mainViewController = controller {
                    HMGPenguinInPlatformBridge.initialize(flutterViewController: mainViewController)
                } else {
                    print("⚠️ FlutterViewController not ready yet for initializePlatformChannels.")
                }
            }
        
        
//        if let mainViewController = window?.rootViewController as? FlutterViewController{ // platform initialization suppose to be in foreground
//               HMGPenguinInPlatformBridge.initialize(flutterViewController: mainViewController)
//           }
    
    }
    
    override func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken:Data){
//           Messaging.messaging().apnsToken = deviceToken
          super.application(application, didRegisterForRemoteNotificationsWithDeviceToken: deviceToken)
      }
}