upate.

Author: cloudwebrtc

lib/main.dart

@@ -1,16 +1,22 @@
+import 'dart:core';
+import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:flutter/foundation.dart'
     show debugDefaultTargetPlatformOverride;
 
-import 'dart:core';
 import 'src/basic_sample/basic_sample.dart';
 import 'src/call_sample/call_sample.dart';
 import 'src/call_sample/data_channel_sample.dart';
 import 'src/route_item.dart';
 
+bool isDesktop() {
+  return Platform.isWindows || Platform.isLinux || Platform.isMacOS;
+}
+
 void main(){
-  debugDefaultTargetPlatformOverride = TargetPlatform.fuchsia;
+ if(isDesktop())
+   debugDefaultTargetPlatformOverride = TargetPlatform.fuchsia;
   runApp(new MyApp());
 }