✨ Watch connectivity on iOS

ios/Runner/AppDelegate.swift

@@ -1,9 +1,11 @@
 import Flutter
 import UIKit
+import WatchConnectivity
 
 @main
 @objc class AppDelegate: FlutterAppDelegate {
     let notifyDelegate = NotifyDelegate()
+    private var watchConnectivityService: WatchConnectivityService?
     
     override func application(
         _ application: UIApplication,
@@ -28,6 +30,55 @@ import UIKit
         
         GeneratedPluginRegistrant.register(with: self)
         
+        if WCSession.isSupported() {
+            watchConnectivityService = WatchConnectivityService()
+        }
+        
         return super.application(application, didFinishLaunchingWithOptions: launchOptions)
     }
 }
+
+class WatchConnectivityService: NSObject, WCSessionDelegate {
+    private let session: WCSession
+
+    override init() {
+        self.session = .default
+        super.init()
+        print("[iOS] Activating WCSession")
+        self.session.delegate = self
+        self.session.activate()
+    }
+
+    func session(_ session: WCSession, activationDidCompleteWith activationState: WCSessionActivationState, error: Error?) {
+        if let error = error {
+            print("[iOS] WCSession activation failed with error: \(error.localizedDescription)")
+            return
+        }
+        print("[iOS] WCSession activated with state: \(activationState.rawValue)")
+    }
+    
+    func sessionDidBecomeInactive(_ session: WCSession) {}
+    
+    func sessionDidDeactivate(_ session: WCSession) {
+        session.activate()
+    }
+
+    func session(_ session: WCSession, didReceiveMessage message: [String : Any], replyHandler: @escaping ([String : Any]) -> Void) {
+        print("[iOS] Received message: \(message)")
+        if let request = message["request"] as? String, request == "data" {
+            let token = UserDefaults.standard.getFlutterToken()
+            let serverUrl = UserDefaults.standard.getServerUrl()
+            
+            print("[iOS] Retrieved token: \(token ?? "nil")")
+            print("[iOS] Retrieved serverUrl: \(serverUrl)")
+            
+            var data: [String: Any] = ["serverUrl": serverUrl]
+            if let token = token {
+                data["token"] = token
+            }
+            
+            print("[iOS] Replying with data: \(data)")
+            replyHandler(data)
+        }
+    }
+}