anchor.diff:  
   import 'package:gcanvas/address.dart';
   import 'package:gcanvas/gcanvas.dart';
  -import 'package:browser_detect/browser_detect.dart' as detect;
   
   import 'dart:js';
   
  
positive.code: 
  
  
    GCanvasApp.created() : super.created();
  
  
  
    void enteredView() {
      super.enteredView();
      attached();
    }
  
    void attached() {
      super.attached();
  
      _loadAppState();
    }
  
  
  
negative.code:   submitResponse(e) {
      responseCtrl.add(e.detail);
    }
  
  
    addressesChanged() {
      print("addressesChanged");
      //_loadAppState();
    }
  }
  