anchor.diff:                lineWidth: SizeConfig.safeBlockHorizontal * .23,
                 //  barHeight: SizeConfig.safeBlockVertical * 8,
               ),
  -          ));
  +          ),
  +        );
       }
   
       barcodeImage = barcodeWithText.image;
  
positive.code: 
            FlatButton(
              child: returnBarcodeContainer(barcodeModel.barCode.toString(), false, context),
              onPressed: () {
                createAlertDialog(context,
                    returnBarcodeContainer(barcodeModel.barCode.toString(), true, context));
  
negative.code:             ),
              actions: <Widget>[
                FlatButton(
                    child: Icon(Icons.close),
                    onPressed: () {
                      Navigator.of(context).pop();
                    })
  