anchor.diff:  import 'package:campus_mobile_experimental/app_constants.dart';
   import 'package:campus_mobile_experimental/app_styles.dart';
  +import 'package:campus_mobile_experimental/core/providers/scanner.dart';
   import 'package:campus_mobile_experimental/core/providers/user.dart';
   import 'package:campus_mobile_experimental/core/services/barcode.dart';
   import 'package:campus_mobile_experimental/core/utils/webview.dart';
  
positive.code:           title: const Text("Scanner"),
          ),
        ),
        body: !hasScanned ? renderScanner(context) : renderSubmissionView(),
        floatingActionButton: IconButton(
          onPressed: () {},
          icon: Container(),
  
negative.code:           ),
          ],
        ));
      } else if (_scannerDataProvider.successfulSubmission) {
        return (renderSuccessScreen(context));
      } else if (_scannerDataProvider.didError) {
        return (renderFailureScreen(context));
      } else {
        return (renderFailureScreen(context));
  