137 lines
4.0 KiB
Dart
137 lines
4.0 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter_feather_icons/flutter_feather_icons.dart';
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import 'package:qr_code_scanner_plus/qr_code_scanner_plus.dart';
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import 'package:refilc_mobile_ui/screens/settings/settings_screen.i18n.dart';
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class CodeScannerScreen extends StatefulWidget {
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const CodeScannerScreen({super.key});
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@override
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State<StatefulWidget> createState() => _CodeScannerScreenState();
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}
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class _CodeScannerScreenState extends State<CodeScannerScreen> {
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Barcode? result;
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QRViewController? controller;
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final GlobalKey qrKey = GlobalKey(debugLabel: 'QR');
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// In order to get hot reload to work we need to pause the camera if the platform
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// is android, or resume the camera if the platform is iOS.
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@override
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void reassemble() {
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super.reassemble();
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if (Platform.isAndroid) {
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controller!.pauseCamera();
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}
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controller!.resumeCamera();
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}
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// @override
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// void initState() {
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// super.initState();
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// controller!.resumeCamera();
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// }
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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backgroundColor: Colors.transparent,
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title: Text('qr_scanner'.i18n),
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leading: const BackButton(),
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actions: [
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IconButton(
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icon: FutureBuilder(
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future: controller?.getFlashStatus(),
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builder: (context, snapshot) {
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return Icon(
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snapshot.data == true
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? FeatherIcons.zapOff
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: FeatherIcons.zap,
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);
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},
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),
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onPressed: () async {
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await controller?.toggleFlash();
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setState(() {});
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},
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),
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],
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),
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body: _buildQrView(context),
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// body: Column(
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// children: <Widget>[
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// Expanded(flex: 4, child: _buildQrView(context)),
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// // Expanded(
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// // flex: 1,
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// // child: FittedBox(
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// // fit: BoxFit.contain,
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// // child: Column(
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// // mainAxisAlignment: MainAxisAlignment.spaceEvenly,
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// // children: <Widget>[
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// // if (result != null)
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// // Text(
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// // 'Barcode Type: ${describeEnum(result!.format)} Data: ${result!.code}')
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// // else
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// // const Text('Scan a code'),
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// // ],
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// // ),
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// // ),
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// // )
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// ],
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// ),
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);
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}
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Widget _buildQrView(BuildContext context) {
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// For this example we check how width or tall the device is and change the scanArea and overlay accordingly.
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var scanArea = (MediaQuery.of(context).size.width < 400 ||
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MediaQuery.of(context).size.height < 400)
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? 150.0
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: 280.0;
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// To ensure the Scanner view is properly sizes after rotation
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// we need to listen for Flutter SizeChanged notification and update controller
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return QRView(
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key: qrKey,
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onQRViewCreated: _onQRViewCreated,
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overlay: QrScannerOverlayShape(
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borderColor: Theme.of(context).primaryColor,
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borderRadius: 10,
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borderLength: 30,
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borderWidth: 10,
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cutOutSize: scanArea,
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),
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onPermissionSet: (ctrl, p) => _onPermissionSet(context, ctrl, p),
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);
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}
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void _onQRViewCreated(QRViewController controller) {
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setState(() {
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this.controller = controller;
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});
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controller.scannedDataStream.listen((scanData) {
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setState(() {
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result = scanData;
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});
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});
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}
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void _onPermissionSet(BuildContext context, QRViewController ctrl, bool p) {
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// log('${DateTime.now().toIso8601String()}_onPermissionSet $p');
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if (!p) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('no Permission')),
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);
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}
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}
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@override
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void dispose() {
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controller?.dispose();
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super.dispose();
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}
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}
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