emvqr 0.0.8

emvqr: ^0.0.8 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;
  ScanResult? qrResponse;

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

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

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

          qrResponse = response;
          qrModel = model ?? qrModel;
          if (qrModel != null) {
            debugPrint(qrModel.toString());
          }
        });
      });
    } catch (ex) {
      debugPrint("Error in setupCallback: $ex");
    }
  }

@override
Widget build(BuildContext context) {
  return Scaffold(
    appBar: AppBar(
      backgroundColor: Theme.of(context).colorScheme.inversePrimary,
      title: const Text('Fawry EMVQR example'),
    ),
    body: SingleChildScrollView(
      child: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            ElevatedButton(
              onPressed: () async {
                await startScanning();
              },
              child: const Text('SCAN'),
            ),
            const SizedBox(
                height: 20),

            const Text(
              'QR Model',
              style: TextStyle(
                fontSize: 20,
                fontWeight: FontWeight.bold,
              ),
            ),
            if (qrModel != null) SelectableText(qrModel.toString()),
            const SizedBox(height: 10), 

            const Text(
              'Response Status',
              style: TextStyle(
                fontSize: 20,
                fontWeight: FontWeight.bold,
              ),
            ),
            SelectableText('${qrResponse?.status}'),
            const SizedBox(height: 10),

            const Text(
              'Response Data',
              style: TextStyle(
                fontSize: 20,
                fontWeight: FontWeight.bold,
              ),
            ),
            SelectableText('${qrResponse?.data}'),

            const SizedBox(height: 300),

          ],
        ),
      ),
    ),
  );
}

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