barcode_rt510_plugin 0.0.2 barcode_rt510_plugin: ^0.0.2 copied to clipboard
A flutter plugin for Barcode RT510 to read Barcode Cards.
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:barcode_rt510_plugin/barcode_rt510_plugin.dart';
void main() => runApp(MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _platformVersion = 'Unknown';
@override
void initState() {
super.initState();
initPlatformState();
}
// 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.
try {
platformVersion = await BarcodeRT510Plugin.platformVersion;
} on PlatformException {
platformVersion = 'Failed to get platform version.';
}
BarcodeRT510Plugin.barcodeStatusStream
.receiveBroadcastStream()
.listen(updateBarcodes);
// 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;
});
}
List<String> _data = [];
void updateBarcodes(dynamic result) {
setState(() {
_data.add(result);
});
}
@override
Widget build(BuildContext context) {
//_data.add(TagEpc(count: 10, epc: '5SETF7656GGY5578'));
//_data.add(TagEpc(count: 10, epc: '6757568YG76658GH'));
// _data.add(TagEpc(count: 10, epc: 'TNB75G568YG758GH'));
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Barcode PROGAZE'),
),
body: SingleChildScrollView(
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: <Widget>[
Card(
child: Padding(
padding: const EdgeInsets.all(3.0),
child: Image.asset(
'assets/logo.png',
width: double.infinity,
height: 80,
fit: BoxFit.contain,
),
),
),
/*Text('Running on: $_platformVersion'),
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: <Widget>[
RaisedButton(
child: Text('Call connect'),
onPressed: () async {
await BarcodeRT510Plugin.connect;
}),
RaisedButton(
child: Text('Call is Connected'),
onPressed: () async {
bool isConnected = await BarcodeRT510Plugin.isConnected;
setState(() {
this._isConnected = isConnected;
});
}),
],
),
Text(
'Barcode Reader isConnected:$_isConnected',
style: TextStyle(color: Colors.blue.shade800),
),*/
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: <Widget>[
RaisedButton(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(18.0),
),
color: Colors.blueAccent,
child: Text(
'Call Scan Single',
style: TextStyle(color: Colors.white),
),
onPressed: () async {
await BarcodeRT510Plugin.scanSingle;
}),
RaisedButton(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(18.0),
),
color: Colors.blueAccent,
child: Text(
'Call Scan Continuous',
style: TextStyle(color: Colors.white),
),
onPressed: () async {
await BarcodeRT510Plugin.scanContinuous;
}),
],
),
RaisedButton(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(18.0),
),
color: Colors.blueAccent,
child: Text(
'Call Stop',
style: TextStyle(color: Colors.white),
),
onPressed: () async {
await BarcodeRT510Plugin.stop;
}),
RaisedButton(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(18.0),
),
color: Colors.blueAccent,
child: Text(
'Call Clear Data',
style: TextStyle(color: Colors.white),
),
onPressed: () async {
await BarcodeRT510Plugin.clearData;
setState(() {
_data = [];
});
}),
Container(
width: double.infinity,
height: 2,
margin: EdgeInsets.symmetric(vertical: 8),
color: Colors.blueAccent,
),
..._data.map((String barcode) => Card(
color: Colors.blue.shade50,
child: Container(
width: 330,
alignment: Alignment.center,
padding: const EdgeInsets.all(8.0),
child: Text(
'Barcode $barcode',
style: TextStyle(color: Colors.blue.shade800),
),
),
)),
],
),
),
),
);
}
}