gcprinter 0.0.1 gcprinter: ^0.0.1 copied to clipboard
This plugin allows printing on goodcom pos printer
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:gcprinter/gcprinter.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _platformVersion = 'Unknown';
final _gcprinterPlugin = Gcprinter();
@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.
// We also handle the message potentially returning null.
try {
platformVersion =
await _gcprinterPlugin.getPlatformVersion() ?? 'Unknown platform version';
} on PlatformException {
platformVersion = 'Failed to get platform version.';
}
// 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;
});
}
Future<void> _btnPirnt() async{
_gcprinterPlugin.printJson("this is a test for flutter\rnew line");
_gcprinterPlugin.drawText("1 x", 1, "chicken", 2, "65.00", 1);
_gcprinterPlugin.drawText("option1", 1, "", 0, "60.00", 1);
_gcprinterPlugin.drawText("option2", 1, "", 0, "5.00", 1);
_gcprinterPlugin.printText();
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Text('Running on: $_platformVersion\n'),
),
floatingActionButton: FloatingActionButton(
onPressed: _btnPirnt,
tooltip: 'print',
child: Icon(Icons.print),
),
),
);
}
}