Flutter plugin for scanning and generating QR codes using the ZXing library, supporting Android, iOS, and desktop platforms
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import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:zxscanner/models/models.dart';
import 'package:zxscanner/utils/db_service.dart';
import 'package:zxscanner/utils/router.dart';
import 'package:zxscanner/widgets/common_widgets.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:hive_flutter/hive_flutter.dart';
class BarcodesPage extends StatefulWidget {
const BarcodesPage({
Key? key,
}) : super(key: key);
@override
State<BarcodesPage> createState() => _BarcodesPageState();
}
class _BarcodesPageState extends State<BarcodesPage> {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Barcodes'),
),
body: _buildResultList(),
floatingActionButton: FloatingActionButton(
child: const Icon(FontAwesomeIcons.plus),
onPressed: () {
Navigator.of(context).pushNamed(AppRoutes.creator);
},
),
);
}
_buildResultList() {
return ValueListenableBuilder<Box<Encode>>(
valueListenable: DbService.instance.getEncodes().listenable(),
builder: (context, box, _) {
final results = box.values.toList().cast<Encode>();
return results.isEmpty
? const Center(
child: Text(
'Tap + to create a Barcode',
style: TextStyle(fontSize: 24),
))
: ListView.builder(
itemCount: results.length,
itemBuilder: (context, index) {
final result = results[index];
return ContainerX(
child: ListTile(
leading: Image.memory(
result.data ?? Uint8List(0),
width: 60,
),
title: Text(result.text ?? ''),
subtitle: Text(result.formatName),
trailing: ButtonBar(
mainAxisSize: MainAxisSize.min,
children: [
// Copy button
IconButton(
icon: const Icon(FontAwesomeIcons.copy),
onPressed: () {
Clipboard.setData(
ClipboardData(text: result.text));
},
),
// Remove button
IconButton(
icon: const Icon(FontAwesomeIcons.trash,
color: Colors.red),
onPressed: () {
DbService.instance.deleteEncode(result);
setState(() {});
},
),
],
),
),
);
},
);
});
}
}