flutter_nfc 1.0.0 flutter_nfc: ^1.0.0 copied to clipboard
A new Flutter plugin, NFC functionality for Android and iOS.
import 'package:flutter/material.dart';
import 'package:flutter_nfc/flutter_nfc.dart';
void main() {
runApp(MyApp());
}
///app
class MyApp extends StatelessWidget {
// build
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter NFC',
theme: ThemeData(
primarySwatch: Colors.blue,
visualDensity: VisualDensity.adaptivePlatformDensity,
),
home: MyHomePage(title: 'Flutter NFC'),
);
}
}
///home
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
///homeState
class _MyHomePageState extends State<MyHomePage> {
//输入框控制器
TextEditingController writerController = TextEditingController();
///initState
@override
initState() {
super.initState();
//
writerController.text = 'Flutter NFC Scan';
}
///dispose
@override
void dispose() {
writerController.dispose();
super.dispose();
}
///build
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
centerTitle: true,
title: Text(
"NFC",
style: TextStyle(color: Colors.black, fontSize: 17),
),
),
body: Column(
children: <Widget>[
TextField(
controller: writerController,
),
RaisedButton(
onPressed: () {
//NFC 监听
FlutterNfc.onTagDiscovered().listen((value) {
print("监听id: ${value.id}");
print("监听content: ${value.content}");
});
},
child: Text("NFC-监听"),
),
RaisedButton(
onPressed: () {
///NFC 读取
FlutterNfc.read().then((value) {
print("读取id: ${value.id}");
print("读取content: ${value.content}");
});
},
child: Text("NFC-读取"),
),
RaisedButton(
onPressed: () {
///NFC 写入
FlutterNfc.write(" ", writerController.text).then((value) {
print("写入: ${value.id}");
print("写入: ${value.content}");
});
},
child: Text("NFC-写入"),
)
],
),
);
}
}