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cloudsolutions-atoms/lib/views/widgets/qr/scan_qr_widget.dart

119 lines
3.4 KiB
Dart

import 'dart:io';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'package:qr_code_scanner/qr_code_scanner.dart';
import 'package:qr_code_tools/qr_code_tools.dart';
import 'package:test_sa/extensions/context_extension.dart';
import 'package:test_sa/extensions/int_extensions.dart';
import 'package:test_sa/extensions/text_extensions.dart';
import '../../../new_views/common_widgets/app_filled_button.dart';
import '../../../new_views/common_widgets/custom_app_bar.dart';
class ScanQrWidget extends StatefulWidget {
const ScanQrWidget({Key key, this.title}) : super(key: key);
final String title;
@override
_ScanQrWidgetState createState() => _ScanQrWidgetState();
}
class _ScanQrWidgetState extends State<ScanQrWidget> {
Barcode result;
QRViewController _controller;
bool _scanDone = false;
final GlobalKey qrKey = GlobalKey(debugLabel: 'QR_scanner');
// In order to get hot reload to work we need to pause the camera if the platform
// is android, or resume the camera if the platform is iOS.
@override
void reassemble() {
super.reassemble();
if (Platform.isAndroid) {
_controller?.pauseCamera();
} else if (Platform.isIOS) {
_controller?.resumeCamera();
}
}
@override
void dispose() {
super.dispose();
_controller?.dispose();
}
_pickManually() async {
final picker = ImagePicker();
final pickedFile = await picker.pickImage(source: ImageSource.gallery);
if (pickedFile != null) {
try {
String qrData = await QrCodeToolsPlugin.decodeFrom(pickedFile.path);
if (qrData != null && !_scanDone) {
setState(() {
_scanDone = true;
});
Navigator.of(context).pop(qrData);
}
} catch (e) {
print('Error QR code: $e');
}
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: SafeArea(
child: Stack(
children: [
QRView(
key: qrKey,
onQRViewCreated: (QRViewController controller) {
setState(() {
_controller = controller;
});
controller.scannedDataStream.listen((scanData) {
if (!_scanDone) {
_scanDone = true;
Navigator.of(context).pop(scanData.code);
}
});
},
),
Center(
child: 'scan'.toSvgAsset(
height: 283.toScreenHeight.toInt(),
width: 283.toScreenWidth.toInt(),
fit: BoxFit.fitHeight,
),
),
SizedBox(
height: 60.toScreenHeight,
child: CustomAppBar(
title: widget.title ?? '',
bottomCorner: 12,
)),
],
),
),
bottomSheet: Container(
height: 82.toScreenHeight,
color: Colors.white,
width: MediaQuery.of(context).size.width,
child: Center(
child: SizedBox(
height: 50.toScreenHeight,
width: 358.toScreenWidth,
child: AppFilledButton(
label: context.translation.pickManually,
onPressed: _pickManually,
),
),
),
));
}
}