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infrared scanner
infrared_scanner #
(基于广播的)工业级 PDA 红外扫描的 Flutter 插件,已支持 优博讯、东大集成 两个品牌的PDA。
Installation #
将依赖添加到 pubspec.yaml 中
dependencies:
infrared_scanner: ^0.1.1
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Usage #
声明并创建 EventChannel 对象,通道名称必须为 neo.com/app,然后在 initState 中初始化监听
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String scanValue;
static const EventChannel _eventChannel = EventChannel('neo.com/app');
@override
void initState() {
super.initState();
_eventChannel.receiveBroadcastStream().listen((value) {
setState(() {
scanValue = value;
});
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Text('PDA Scanner Running on: $scanValue\n'),
),
),
);
}
}
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