epassportnfc 0.0.3

epassportnfc: ^0.0.3 copied to clipboard

example/lib/main.dart

import 'dart:convert';

import 'package:epassportnfc/epassportnfc.dart';
import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';

void main() {
  runApp(
    MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyApp(),
    ),
  );
}

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  NFCResponse? datanfc;
  String state = '';
  @override
  void initState() {
    super.initState();
    test();
  }

  void test() {
    Epassportnfc.nfcStream.listen((NFCResponse event) {
      print(event.status);
      datanfc = event;
      // if (event.status == 'WAITING') {
      //   showWaiting(context);
      // }
      state = event.status ?? '';
      // if (event.status == 'SUCCESS') {
      //   Navigator.pop(context);
      //   datanfc = event;
      // }

      setState(() {});
    });
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      platformVersion = await Epassportnfc.nfc(passportNumberController.text,
              birthDayNumberController.text, expireNumberController.text) ??
          'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  TextEditingController passportNumberController = TextEditingController()
    ..text = '';
  TextEditingController birthDayNumberController = TextEditingController()
    ..text = '';
  TextEditingController expireNumberController = TextEditingController()
    ..text = '';

  void showWaiting(BuildContext context) {
    var alert = AlertDialog(
      title: Text("NFC tag reader"),
      content: Text("Hold your iPhone near an NFC enabled passport."),
    );

    showDialog(
        context: context,
        builder: (BuildContext context) {
          return alert;
        });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('EPassport'),
      ),
      body: SingleChildScrollView(
        child: Column(
          children: [
            Padding(
              padding: EdgeInsets.all(8),
              child: TextField(
                controller: passportNumberController,
                decoration: InputDecoration(
                    border: OutlineInputBorder(),
                    labelText: 'CCCD',
                    hintText: 'CCCD'),
              ),
            ),
            Padding(
              padding: EdgeInsets.all(8),
              child: TextField(
                controller: birthDayNumberController,
                decoration: InputDecoration(
                    border: OutlineInputBorder(),
                    labelText: 'Ngày sinh',
                    hintText: 'Ngày sinh'),
              ),
            ),
            Padding(
              padding: EdgeInsets.all(8),
              child: TextField(
                controller: expireNumberController,
                decoration: InputDecoration(
                    border: OutlineInputBorder(),
                    labelText: 'Ngày hết hạn',
                    hintText: 'Ngày hết hạn'),
              ),
            ),
            ElevatedButton(
                onPressed: () {
                  initPlatformState();
                },
                child: Text('Read nfc')),
            Text(state),
            if (datanfc?.status == 'SUCCESS' &&
                datanfc != null &&
                datanfc?.imageData != null)
              Column(
                children: [
                  Image.memory(base64Decode(datanfc?.imageData ?? '')),
                  Text(
                      'Fullname: ${datanfc?.firstName ?? ''} ${datanfc?.lastName}'),
                  Text('CCCD: ${datanfc?.personalNumber ?? ''}'),
                  Text('ngay sinh: ${datanfc?.dateOfBirth ?? ''}')
                ],
              )
          ],
        ),
      ),
    );
  }
}