anchor.diff:  
   
     Future<void> _handleBarcodeResult(BarcodeResult result) async {
  -    print("SCANNED:" + result.data);
       this.setState(() {
         hasScanned = true;
         _barcode = result.data;
       });
  -    print("hasScanned: " + hasScanned.toString());
       var data = createUserData();
       var headers = {
         "Content-Type": "application/json",
  
positive.code:   }
  
    Map<String, dynamic> createUserData() {
      print("in createuserdata");
      this.setState(() {
        ucsdAffiliation = _userDataProvider.authenticationModel.ucsdaffiliation;
        accessToken = _userDataProvider.authenticationModel.accessToken;
      });
      print("affiliation: " + ucsdAffiliation.toString());
      return {'barcode': _barcode, 'ucsdaffiliation': ucsdAffiliation};
    }
  
  
negative.code:   }
  
    Widget renderSubmissionView() {
      if(isLoading) {
        return (
            Column(
              mainAxisAlignment: MainAxisAlignment.center,
  