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* parallelization and execution time tracking in debug mode * fixed bug with new version of encrypt library * removed caching of DB * closing database after a transaction * profiles storing * profiles did connections storing * hotfix bug with sembast [2] codec signature error * Removed the possibility of exposing sensitive data if stacktrace is enabled * Moved stacktrace and error to dedicated class * fix errorHandling dependency injection, get the method sync instead of async
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2 changes: 1 addition & 1 deletion
2
example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
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239 changes: 166 additions & 73 deletions
239
example/lib/src/presentation/ui/qrcode_scanner/widgets/qrcode_scanner.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,99 +1,192 @@ | ||
| import 'package:camera/camera.dart'; | ||
| import 'dart:developer'; | ||
| import 'dart:io'; | ||
|
|
||
| import 'package:flutter/foundation.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:google_mlkit_barcode_scanning/google_mlkit_barcode_scanning.dart'; | ||
| import 'package:polygonid_flutter_sdk_example/src/presentation/ui/qrcode_scanner/widgets/barcode_detector_painter.dart'; | ||
| import 'package:polygonid_flutter_sdk_example/src/presentation/ui/qrcode_scanner/widgets/camera_view.dart'; | ||
| import 'package:polygonid_flutter_sdk_example/src/presentation/ui/qrcode_scanner/widgets/qrcode_scanner_overlay_shape.dart'; | ||
| import 'package:polygonid_flutter_sdk_example/utils/custom_button_style.dart'; | ||
| import 'package:polygonid_flutter_sdk_example/utils/custom_colors.dart'; | ||
| import 'package:qr_code_scanner/qr_code_scanner.dart'; | ||
|
|
||
| void main() => runApp(const MaterialApp(home: MyHome())); | ||
|
|
||
| class QRCodeScannerPage extends StatefulWidget { | ||
| const QRCodeScannerPage({Key? key}) : super(key: key); | ||
| class MyHome extends StatelessWidget { | ||
| const MyHome({Key? key}) : super(key: key); | ||
|
|
||
| @override | ||
| State<QRCodeScannerPage> createState() => _QRCodeScannerPageState(); | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| appBar: AppBar(title: const Text('Flutter Demo Home Page')), | ||
| body: Center( | ||
| child: ElevatedButton( | ||
| onPressed: () { | ||
| Navigator.of(context).push(MaterialPageRoute( | ||
| builder: (context) => const QRViewExample(), | ||
| )); | ||
| }, | ||
| child: const Text('qrView'), | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| class _QRCodeScannerPageState extends State<QRCodeScannerPage> { | ||
| final BarcodeScanner _barcodeScanner = | ||
| BarcodeScanner(formats: [BarcodeFormat.qrCode]); | ||
| class QRViewExample extends StatefulWidget { | ||
| const QRViewExample({Key? key}) : super(key: key); | ||
|
|
||
| bool _canProcess = true; | ||
| bool _isBusy = false; | ||
| bool _resultFound = false; | ||
| CustomPaint? _customPaint; | ||
| @override | ||
| State<StatefulWidget> createState() => _QRViewExampleState(); | ||
| } | ||
|
|
||
| class _QRViewExampleState extends State<QRViewExample> { | ||
| Barcode? result; | ||
| QRViewController? controller; | ||
| final GlobalKey qrKey = GlobalKey(debugLabel: 'QR'); | ||
|
|
||
| // 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 dispose() { | ||
| _barcodeScanner.close(); | ||
| super.dispose(); | ||
| void reassemble() { | ||
| super.reassemble(); | ||
| if (Platform.isAndroid) { | ||
| controller!.pauseCamera(); | ||
| } | ||
| controller!.resumeCamera(); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| body: _buildBody(), | ||
| body: Column( | ||
| children: <Widget>[ | ||
| Expanded(flex: 4, child: _buildQrView(context)), | ||
| Expanded( | ||
| flex: 1, | ||
| child: FittedBox( | ||
| fit: BoxFit.contain, | ||
| child: Column( | ||
| mainAxisAlignment: MainAxisAlignment.spaceEvenly, | ||
| children: <Widget>[ | ||
| if (result != null) | ||
| Text( | ||
| 'Barcode Type: ${describeEnum(result!.format)} Data: ${result!.code}') | ||
| else | ||
| const Text('Scan a code'), | ||
| Row( | ||
| mainAxisAlignment: MainAxisAlignment.center, | ||
| crossAxisAlignment: CrossAxisAlignment.center, | ||
| children: <Widget>[ | ||
| Container( | ||
| margin: const EdgeInsets.all(8), | ||
| child: ElevatedButton( | ||
| onPressed: () async { | ||
| await controller?.toggleFlash(); | ||
| setState(() {}); | ||
| }, | ||
| child: FutureBuilder( | ||
| future: controller?.getFlashStatus(), | ||
| builder: (context, snapshot) { | ||
| return Text('Flash: ${snapshot.data}'); | ||
| }, | ||
| )), | ||
| ), | ||
| Container( | ||
| margin: const EdgeInsets.all(8), | ||
| child: ElevatedButton( | ||
| onPressed: () async { | ||
| await controller?.flipCamera(); | ||
| setState(() {}); | ||
| }, | ||
| child: FutureBuilder( | ||
| future: controller?.getCameraInfo(), | ||
| builder: (context, snapshot) { | ||
| if (snapshot.data != null) { | ||
| return Text( | ||
| 'Camera facing ${describeEnum(snapshot.data!)}'); | ||
| } else { | ||
| return const Text('loading'); | ||
| } | ||
| }, | ||
| )), | ||
| ) | ||
| ], | ||
| ), | ||
| Row( | ||
| mainAxisAlignment: MainAxisAlignment.center, | ||
| crossAxisAlignment: CrossAxisAlignment.center, | ||
| children: <Widget>[ | ||
| Container( | ||
| margin: const EdgeInsets.all(8), | ||
| child: ElevatedButton( | ||
| onPressed: () async { | ||
| await controller?.pauseCamera(); | ||
| }, | ||
| child: const Text('pause', | ||
| style: TextStyle(fontSize: 20)), | ||
| ), | ||
| ), | ||
| Container( | ||
| margin: const EdgeInsets.all(8), | ||
| child: ElevatedButton( | ||
| onPressed: () async { | ||
| await controller?.resumeCamera(); | ||
| }, | ||
| child: const Text('resume', | ||
| style: TextStyle(fontSize: 20)), | ||
| ), | ||
| ) | ||
| ], | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ) | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
|
|
||
| /// | ||
| Widget _buildBody() { | ||
| return FutureBuilder( | ||
| future: availableCameras(), | ||
| builder: ( | ||
| context, | ||
| AsyncSnapshot<List<CameraDescription>> snapshot, | ||
| ) { | ||
| if (snapshot.hasData) { | ||
| snapshot.data; | ||
| return CameraView( | ||
| cameras: snapshot.data!, | ||
| onImage: (inputImage) { | ||
| processImage(inputImage); | ||
| }, | ||
| onQrCodeScanned: (code) { | ||
| _resultCallback(code); | ||
| }, | ||
| ); | ||
| } else { | ||
| return const Center( | ||
| child: CircularProgressIndicator(), | ||
| ); | ||
| } | ||
| }, | ||
| Widget _buildQrView(BuildContext context) { | ||
| // For this example we check how width or tall the device is and change the scanArea and overlay accordingly. | ||
| var scanArea = (MediaQuery.of(context).size.width < 400 || | ||
| MediaQuery.of(context).size.height < 400) | ||
| ? 150.0 | ||
| : 300.0; | ||
| // To ensure the Scanner view is properly sizes after rotation | ||
| // we need to listen for Flutter SizeChanged notification and update controller | ||
| return QRView( | ||
| key: qrKey, | ||
| onQRViewCreated: _onQRViewCreated, | ||
| overlay: QrScannerOverlayShape( | ||
| borderColor: Colors.red, | ||
| borderRadius: 10, | ||
| borderLength: 30, | ||
| borderWidth: 10, | ||
| cutOutSize: scanArea), | ||
| onPermissionSet: (ctrl, p) => _onPermissionSet(context, ctrl, p), | ||
| ); | ||
| } | ||
|
|
||
| /// | ||
| void _resultCallback(String? rawValue) { | ||
| _resultFound = true; | ||
| _barcodeScanner.close(); | ||
| Navigator.pop(context, rawValue); | ||
| void _onQRViewCreated(QRViewController controller) { | ||
| setState(() { | ||
| this.controller = controller; | ||
| }); | ||
| controller.scannedDataStream.listen((scanData) { | ||
| setState(() { | ||
| result = scanData; | ||
| }); | ||
| }); | ||
| } | ||
|
|
||
| /// | ||
| Future<void> processImage(InputImage inputImage) async { | ||
| if (!_canProcess) return; | ||
| if (_isBusy) return; | ||
| _isBusy = true; | ||
|
|
||
| final barcodes = await _barcodeScanner.processImage(inputImage); | ||
|
|
||
| if (barcodes.isEmpty) { | ||
| _isBusy = false; | ||
| return; | ||
| } | ||
|
|
||
| // To avoid multiple scans of the same barcode | ||
| if (_resultFound) { | ||
| return; | ||
| } | ||
|
|
||
| _isBusy = false; | ||
| if (mounted) { | ||
| setState(() {}); | ||
| void _onPermissionSet(BuildContext context, QRViewController ctrl, bool p) { | ||
| log('${DateTime.now().toIso8601String()}_onPermissionSet $p'); | ||
| if (!p) { | ||
| ScaffoldMessenger.of(context).showSnackBar( | ||
| const SnackBar(content: Text('no Permission')), | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| _resultCallback(barcodes.first.rawValue); | ||
| @override | ||
| void dispose() { | ||
| controller?.dispose(); | ||
| super.dispose(); | ||
| } | ||
| } |
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