MainAppState constructor

Implementation

MainAppState() {
  Logger.root.level = Level.INFO;
  Logger.root.onRecord.listen((record) {
    debugPrint('${record.level.name}: ${record.time}: ${record.message}');
  });

  // initialize the BarcodeScanner
  _barcodeScanner = BarcodeScanner(formats: [BarcodeFormat.all]);
}