zebra_datawedge 0.1.3 zebra_datawedge: ^0.1.3 copied to clipboard
Support hardware scanner for Zebra devices (ET5X) to receive intent and parse it into readable data.
import 'dart:convert';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:zebra_datawedge/zebra_datawedge.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
MyAppState createState() => MyAppState();
}
class MyAppState extends State<MyApp> {
String _data = "waiting...";
String _labelType = "waiting...";
String _source = "waiting...";
@override
void initState() {
super.initState();
initDataWedgeListener();
}
// create a listener for data wedge package
Future<void> initDataWedgeListener() async {
ZebraDataWedge.listenForDataWedgeEvent((response) {
if (response != null && response is String) {
setState(() {
Map<String, dynamic>? jsonResponse;
try {
jsonResponse = json.decode(response);
} catch (e) {
//TODO handling
}
if (jsonResponse != null) {
_data = jsonResponse["decodedData"];
_labelType = jsonResponse["decodedLabelType"];
_source = jsonResponse["decodedSource"];
} else {
_source = "An error occured";
}
});
}
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('DataWedgeIntent Example'),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
Text("Label Type: $_labelType"),
Text("Soruce: $_source"),
Text("Data: $_data")
],
),
),
),
);
}
}