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feat: Refactor code structure and optimize performance across multiple modules

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This commit is contained in:
Achintha Isuru
2025-11-17 23:29:28 -05:00
parent 831570f2e0
commit a64cbd9edf
1508 changed files with 105319 additions and 0 deletions
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241
mobile-apps/staff-app/lib/features/qr_scanner/presentation/qr_scanner.dart Normal file
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import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'package:auto_route/auto_route.dart';
import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:gap/gap.dart';
import 'package:krow/core/presentation/styles/kw_text_styles.dart';
import 'package:krow/core/presentation/styles/theme.dart';
import 'package:krow/core/presentation/widgets/ui_kit/kw_app_bar.dart';
import 'package:qr_code_scanner_plus/qr_code_scanner_plus.dart';
@RoutePage()
class QrScannerScreen extends StatefulWidget {
const QrScannerScreen({super.key});
@override
State<QrScannerScreen> createState() => _QrScannerScreenState();
}
class _QrScannerScreenState extends State<QrScannerScreen>
with SingleTickerProviderStateMixin {
final GlobalKey qrKey = GlobalKey(debugLabel: 'QR');
QRViewController? _cameraController;
Timer? _debounceTimer;
var _scannerColor = AppColors.grayWhite;
var popped = false;
late AnimationController _animationController;
@override
void reassemble() {
super.reassemble();
if (Platform.isAndroid) {
_cameraController!.pauseCamera();
} else if (Platform.isIOS) {
_cameraController!.resumeCamera();
}
}
@override
void initState() {
super.initState();
_animationController = AnimationController(
vsync: this,
duration: const Duration(seconds: 2),
)..repeat(reverse: true);
}
@override
Widget build(BuildContext context) {
var size = MediaQuery.of(context).size.width * 0.75;
return Scaffold(
body: Stack(
children: [
_buildQrPreview(context, size),
_buildOverlayContent(),
_buildScannerAnimation(size)
],
),
);
}
Widget _buildScannerAnimation(double size) {
return Center(
child: Container(
clipBehavior: Clip.antiAlias,
height: size,
width: size,
decoration: const BoxDecoration(),
child: Stack(
children: [
AnimatedBuilder(
animation: _animationController,
builder: (context, child) {
return Positioned(
left: 0,
right: 0,
top: size - (_animationController.value * (size - 20) + 10),
child: Column(
children: [
Container(
width: size - 6,
height: 4,
decoration:
BoxDecoration(color: _scannerColor, boxShadow: [
BoxShadow(
color: _scannerColor.withAlpha(0xFA),
blurRadius: 21,
spreadRadius: 1,
offset: Offset(
0,
_animationController.status ==
AnimationStatus.reverse
? -10
: 10),
),
BoxShadow(
color: _scannerColor.withAlpha(0xD9),
blurRadius: 39,
spreadRadius: 1,
offset: Offset(
0,
_animationController.status ==
AnimationStatus.reverse
? -39
: 39),
)
]),
),
],
),
);
},
),
],
),
),
);
}
Column _buildOverlayContent() {
return Column(
children: [
KwAppBar(
titleText: 'QR Code',
contentColor: AppColors.grayWhite,
backgroundColor: Colors.transparent,
iconColorStyle: AppBarIconColorStyle.inverted,
),
const Gap(12),
Text(
'scan_qr_code'.tr(),
style: AppTextStyles.headingH1.copyWith(color: AppColors.grayWhite),
),
const Gap(4),
Padding(
padding: const EdgeInsets.only(left: 20, right: 20),
child: Text(
'align_qr_code'.tr(),
textAlign: TextAlign.center,
style: AppTextStyles.bodyMediumReg
.copyWith(color: AppColors.blackCaptionText)),
),
const Spacer(),
_bottomTooltip()
],
);
}
Container _bottomTooltip() {
return Container(
padding: const EdgeInsets.fromLTRB(8, 8, 20, 8),
margin: const EdgeInsets.only(bottom: 60),
decoration: BoxDecoration(
color: AppColors.grayWhite.withAlpha(25),
borderRadius: BorderRadius.circular(8),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisSize: MainAxisSize.min,
children: [
Text('tips'.tr(),
style: AppTextStyles.bodyMediumMed
.copyWith(color: AppColors.grayWhite)),
],
),
const Gap(8),
Text(
'tips_qr'.tr(),
style: AppTextStyles.bodyTinyMed
.copyWith(color: AppColors.grayWhite))
],
),
);
}
Column _buildQrPreview(BuildContext context, size) {
return Column(
children: <Widget>[
Expanded(
child: QRView(
overlay: QrScannerOverlayShape(
overlayColor: AppColors.blackBlack.withAlpha(0xCC),
borderColor: _scannerColor,
borderRadius: 12,
borderLength: 42,
borderWidth: 5,
cutOutSize: size,
),
key: qrKey,
onQRViewCreated: _onQRViewCreated,
),
),
],
);
}
void _onQRViewCreated(QRViewController controller) {
_cameraController = controller;
controller.scannedDataStream.listen((scanData) {
if (scanData.code == null) {
setState(() {
_scannerColor = AppColors.statusRate;
});
}
var json = const JsonDecoder().convert(scanData.code??'{}');
if (json['type'] == 'event' && json['birth'] == 'app') {
if (mounted && !popped) {
popped = true;
context.router.maybePop(json['eventId']);
}
} else {
setState(() {
_scannerColor = AppColors.statusError;
});
if (_debounceTimer?.isActive ?? false) {
_debounceTimer?.cancel();
}
_debounceTimer = Timer(const Duration(seconds: 1), () {
setState(() {
_scannerColor = AppColors.grayWhite;
});
});
}
});
}
@override
void dispose() {
_debounceTimer?.cancel();
_animationController.dispose();
super.dispose();
}
}