implement functional draft version

flutter/lib/models/native_model.dart

@@ -102,7 +102,7 @@ class PlatformFFI {
         name = '${androidInfo.brand}-${androidInfo.model}';
         id = androidInfo.id.hashCode.toString();
         androidVersion = androidInfo.version.sdkInt;
-      } else {
+      } else if (Platform.isIOS) {
         IosDeviceInfo iosInfo = await deviceInfo.iosInfo;
         name = iosInfo.utsname.machine;
         id = iosInfo.identifierForVendor.hashCode.toString();

flutter/lib/models/server_model.dart

@@ -150,6 +150,7 @@ class ServerModel with ChangeNotifier {
     }
   }
 
+  /// Toggle the screen sharing service.
   toggleService() async {
     if (_isStart) {
       final res =
@@ -198,6 +199,7 @@ class ServerModel with ChangeNotifier {
     }
   }
 
+  /// Start the screen sharing service.
   Future<Null> startService() async {
     _isStart = true;
     notifyListeners();
@@ -212,6 +214,7 @@ class ServerModel with ChangeNotifier {
     }
   }
 
+  /// Stop the screen sharing service.
   Future<Null> stopService() async {
     _isStart = false;
     FFI.serverModel.closeAll();