Add full app source
Adds the Flutter inventory app source, cleaned up for a shared repo: generic package name, no hardcoded ERP endpoints (moved to gitignored local config), no dead auth code, no debug logging of session data.
This commit is contained in:
BACHIR SOULDI
182
lib/views/qr_view.dart
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182
lib/views/qr_view.dart
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@@ -0,0 +1,182 @@
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import 'dart:io';
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import 'dart:ui' show ImageFilter;
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:qr_code_scanner_plus/qr_code_scanner_plus.dart';
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import 'package:inventory_app/constants.dart';
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class QRViewExample extends StatefulWidget {
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const QRViewExample({super.key});
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@override
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State<StatefulWidget> createState() => _QRViewExampleState();
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}
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class _QRViewExampleState extends State<QRViewExample> {
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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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@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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Widget build(BuildContext context) {
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return Scaffold(
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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: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 12),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(20),
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child: BackdropFilter(
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filter: ImageFilter.blur(sigmaX: 12, sigmaY: 12),
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child: Container(
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decoration: BoxDecoration(
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gradient: LinearGradient(
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colors: [
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Colors.white.withOpacity(0.08),
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Colors.white.withOpacity(0.04),
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],
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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),
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borderRadius: BorderRadius.circular(20),
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border: Border.all(color: Colors.white.withOpacity(0.12)),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.15),
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blurRadius: 10,
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offset: const Offset(0, 4),
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),
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],
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),
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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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style: kTextFormFieldStyle(),
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)
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else
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Text('Scan a code', style: kTextFormFieldStyle()),
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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_glassButton(
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child: FutureBuilder(
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future: controller?.getFlashStatus(),
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builder: (context, snapshot) =>
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Text('Flash: ${snapshot.data}'),
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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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_glassButton(
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child: FutureBuilder(
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future: controller?.getCameraInfo(),
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builder: (context, snapshot) =>
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snapshot.data != null
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? Text('Camera facing ${describeEnum(snapshot.data!)}')
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: const Text('loading'),
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),
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onPressed: () async {
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await controller?.flipCamera();
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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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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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_glassButton(
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child: const Text('pause', style: TextStyle(fontSize: 20)),
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onPressed: () async => controller?.pauseCamera(),
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),
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_glassButton(
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child: const Text('resume', style: TextStyle(fontSize: 20)),
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onPressed: () async => controller?.resumeCamera(),
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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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),
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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 _glassButton({required Widget child, required VoidCallback onPressed}) {
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return Container(
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margin: const EdgeInsets.all(8),
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child: ElevatedButton(
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style: ElevatedButton.styleFrom(
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elevation: 0,
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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backgroundColor: Colors.white.withOpacity(0.06),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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side: BorderSide(color: Colors.white.withOpacity(0.12)),
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),
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),
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onPressed: onPressed,
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child: child,
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),
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);
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}
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Widget _buildQrView(BuildContext context) {
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final scanArea =
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(MediaQuery.of(context).size.width < 500 ||
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MediaQuery.of(context).size.height < 500)
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? 300.0
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: 450.0;
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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: Colors.blue,
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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(() => this.controller = controller);
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controller.scannedDataStream.listen((scanData) {
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setState(() => result = scanData);
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Get.back(result: result!.code);
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});
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}
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void _onPermissionSet(BuildContext context, QRViewController ctrl, bool p) {
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if (!p) Get.snackbar("Permission", 'no Permission');
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}
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}
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