nfc_hce_reader 0.0.6 nfc_hce_reader: ^0.0.6 copied to clipboard
Flutter plugin for reading NDEF messages on Android and iOS phones. Currently it reads messages from Android phones emulating tags via HCE.
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:nfc_hce_reader/nfc_hce_reader.dart';
void main() => runApp(MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _message = 'none';
StreamSubscription<String> _stream;
@override
void initState() {
super.initState();
initPlatformState();
}
Future<void> initPlatformState() async {
bool isInitialized;
try {
isInitialized = await NfcHceReader.initializeNFCReading();
_readNFC(context);
} on PlatformException {
}
if (!mounted) return;
}
void _readNFC(BuildContext context) {
StreamSubscription<String> subscription = NfcHceReader.readNFCStream()
.listen((tag) {
setState(() {
_message = tag;
_stream?.cancel();
});
},
onDone: () {
setState(() {
_stream = null;
});
},
onError: (e) {
setState(() {
_stream = null;
});
});
setState(() {
_stream = subscription;
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Text('Running on: $_message\n'),
),
),
);
}
}