emvqr 0.0.2

emvqr: ^0.0.2 copied to clipboard

example/lib/main.dart

import 'dart:async';
import 'package:emvqr/model/scan_result.dart';
import 'package:flutter/material.dart';
import 'package:emvqr/emvqr.dart';
import 'package:emvqr/model/qr_model.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Fawry SDK Flutter',
      theme: ThemeData(
        useMaterial3: true,
      ),
      darkTheme: ThemeData.dark(
        useMaterial3: true,
      ),
      home: const MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  late StreamSubscription? _fawryCallbackResultStream;
  QrModel? qrModel;

  @override
  void initState() {
    super.initState();
    initSDKCallback();
  }

  @override
  void dispose() {
    _fawryCallbackResultStream?.cancel();
    super.dispose();
  }

  Future<void> initSDKCallback() async {
    try {
      _fawryCallbackResultStream =
          Emvqr.instance.callbackResultStream().listen((event) {
        setState(() {
          Map<Object?, Object?> eventData = event;
          ScanResult response = ScanResult.fromJson(eventData);
          QrModel? model = response.qrData();

          if (model != null) {
            qrModel = model;
            qrModel?.printDetails();
          }
        });
      });
    } catch (ex) {
      debugPrint("Error in initSDKCallback: $ex");
    }
  }

  void _showQRModelPopup(BuildContext context) {
    showDialog(
      context: context,
      builder: (BuildContext context) {
        return AlertDialog(
          title: const Text('QR Model Data'),
          content: Column(
            children: <Widget>[
              Text('Merchant ID: ${qrModel!.merchantID}'),
              Text('MCC: ${qrModel!.mcc ?? 'N/A'}'),
              Text('Currency: ${qrModel!.currency ?? 'N/A'}'),
              Text('Amount: ${qrModel!.amount}'),
              Text('Fees Type: ${qrModel!.feesType ?? 'N/A'}'),
              Text('Fees Amount: ${qrModel!.feesAmount ?? 'N/A'}'),
              Text('Country Code: ${qrModel!.countryCode ?? 'N/A'}'),
              Text('Merchant Name: ${qrModel!.merchantName ?? 'N/A'}'),
              Text('Merchant City: ${qrModel!.merchantCity ?? 'N/A'}'),
              Text('Postal Code: ${qrModel!.postalCode ?? 'N/A'}'),
              Text('Ref1: ${qrModel!.ref1 ?? 'N/A'}'),
              Text('Ref2: ${qrModel!.ref2 ?? 'N/A'}'),
              Text('Store Label: ${qrModel!.storeLabel ?? 'N/A'}'),
              Text('Terminal ID: ${qrModel!.terminalId ?? 'N/A'}'),
              Text('QR Time Stamp: ${qrModel!.qrTimeStamp ?? 'N/A'}'),
            ],
          ),
          actions: <Widget>[
            TextButton(
              onPressed: () {
                Navigator.of(context).pop(); // Close the popup
              },
              child: const Text('Close'),
            ),
          ],
        );
      },
    );
  }

@override
Widget build(BuildContext context) {
  return Scaffold(
    appBar: AppBar(
      backgroundColor: Theme.of(context).colorScheme.inversePrimary,
      title: const Text('Fawry EMVQR example'),
    ),
    body: Center(
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          ElevatedButton(
            onPressed: () async {
              await startScanning();
            },
            child: const Text('SCAN'),
          ),
          if (qrModel != null)
            ElevatedButton(
              onPressed: () {
                _showQRModelPopup(context);
              },
              child: const Text('Show QR Model'), 
            )
          else
            const ElevatedButton(
              onPressed: null,
              child: Text('Waiting for QR Model'),
            ),
          
        ],
      ),
    ),
  );
}



  Future<void> startScanning() async {
    await Emvqr.instance.scanQR();
  }
}