pointmobile_scanner 0.0.1
pointmobile_scanner: ^0.0.1 copied to clipboard
A Flutter plugin for the barcode scanner of Point Mobile PDAs.
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:pointmobile_scanner/pointmobile_scanner.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String? _decodeResult = "Unknown";
@override
void initState() {
super.initState();
PointmobileScanner.channel.setMethodCallHandler(_onBarcodeScannerHandler);
PointmobileScanner.initScanner();
PointmobileScanner.enableScanner();
PointmobileScanner.enableBeep();
PointmobileScanner.enableSymbology(PointmobileScanner.SYM_CODE128);
PointmobileScanner.enableSymbology(PointmobileScanner.SYM_EAN13);
PointmobileScanner.enableSymbology(PointmobileScanner.SYM_QR);
PointmobileScanner.enableSymbology(PointmobileScanner.SYM_UPCA);
setState(() {
_decodeResult = "Ready to decode";
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Scanner plugin example app'),
actions: <Widget> [
PopupMenuButton(
icon: Icon(Icons.more_vert),
onSelected: (value) {
if (value == 1) _onExit();
},
itemBuilder: (BuildContext context) => <PopupMenuEntry>[
const PopupMenuItem(child: Text('Exit'), value: 1),
],
),
],
),
body: Center(
child: Text('$_decodeResult\n'),
),
floatingActionButton: FloatingActionButton(
onPressed: () {
PointmobileScanner.triggerOn();
},
child: Icon(Icons.view_week_rounded),
),
),
);
}
Future<void> _onBarcodeScannerHandler(MethodCall call) async {
try {
if (call.method == PointmobileScanner.ON_DECODE) {
_onDecode(call);
} else if (call.method == PointmobileScanner.ON_ERROR) {
_onError(call.arguments);
} else {
print(call.arguments);
}
} catch(e) {
print(e);
}
}
void _onDecode(MethodCall call) {
setState(() {
final List lDecodeResult = call.arguments;
_decodeResult = "Symbology: ${lDecodeResult[0]}\nValue: ${lDecodeResult[1]}";
});
}
void _onExit() {
PointmobileScanner.disableScanner();
SystemNavigator.pop();
}
void _onError(Exception error) {
setState(() {
_decodeResult = error.toString();
});
}
}