How to Fix the FCM Foreground Method Issue for iOS in Flutter Apps

[kshirsagar-krn]

>>> Format iOS firebase notification <<<
{

"message": {
"token": "TOKEN",
"data": {
"classname": "Home",
"weburl": "",
"url": "",
"type": "",
"temp": "",
"title": "🧭 Don’t pick stocks blindly.",
"body": "test"
},
"apns": {
"headers": {
"apns-priority": "10"
},
"payload": {
"aps": {
"alert": {
"title": "Hello world",
"body": "click to see more"
},
"sound": "default",
"badge": 1
}
}
}
}
}

>>> faild to trigger <<<
FirebaseMessaging.onMessage.listen((RemoteMessage message) async {
  final data = message.data;
  debugPrint("🔑 All Data Keys: ${data.keys}");
  debugPrint("📦 message.data: ${jsonEncode(data)}");
  //
  if (data.isNotEmpty) {
    try {
      // IOS : start path
      final parsed = ForgroundNotificationModel.fromJson(data);
      await NotificationService.showNotification(message, parsed);
    } catch (e, stack) {
      log("❌ Error in handleMessageTap: $e\n$stack");
    }
  }
});

but Xcode responds <<<
int XCODE response --
[AnyHashable("temp"): , AnyHashable("weburl"): , AnyHashable("aps"): {
alert = {
body = "click to see more";
title = "Hello world";
};
badge = 1;
sound = default;
}, AnyHashable("body"): test, AnyHashable("google.c.fid"): czL5509oCUVlhOTH8abKOc, AnyHashable("title"): 🧭 Don’t pick stocks blindly., AnyHashable("google.c.sender.id"): 732494282197, AnyHashable("classname"): Home, AnyHashable("google.c.a.e"): 1, AnyHashable("url"): , AnyHashable("gcm.message_id"): 1751438303861142, AnyHashable("type"): ]