elgin 0.1.7 
elgin: ^0.1.7 copied to clipboard
marcus.brasizza.comEste package tem como finalidade a comunicação de um jeito fácil com vários equipamentos elgin, como SAT, impressoras térmicas e mini PDVs
import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';
import 'package:elgin/components/elgin_size.dart';
import 'package:elgin/components/enums.dart';
import 'package:elgin/elgin.dart';
import 'package:esc_pos_utils/esc_pos_utils.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'dart:async';
import 'package:path_provider/path_provider.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> {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Sunmi Printer',
theme: ThemeData(
primaryColor: Colors.black,
),
debugShowCheckedModeBanner: false,
home: const Home());
}
}
class Home extends StatefulWidget {
const Home({Key? key}) : super(key: key);
@override
_HomeState createState() => _HomeState();
}
class _HomeState extends State<Home> {
bool printBinded = false;
String url = 'http://marcus.brasizza.com/imagens/flutter-icon.png';
String printerVersion = "";
@override
void initState() {
super.initState();
}
Future<int?> startPrinter(ElginPrinter driver) async {
try {
final int? result = await Elgin.printer.connect(driver: driver);
setState(() {
printBinded = result == 0 ? true : false;
});
if (result == 0) {
String version = await Elgin.printer.libVersion;
setState(() {
printerVersion = version;
});
}
return result;
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('ELGIN printer Example'),
),
body: SingleChildScrollView(
child: Column(
children: [
Padding(
padding: const EdgeInsets.only(
top: 10,
),
child: Text("Print binded: " + printBinded.toString()),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 2.0),
child: Text("Printer version: " + printerVersion),
),
const Divider(),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
final _driver = ElginPrinter(type: ElginPrinterType.MINIPDV);
await startPrinter(_driver);
},
child: const Text('Start M8/M10 printer')),
ElevatedButton(
onPressed: () async {
final _driver = ElginPrinter(
type: ElginPrinterType.TCP,
model: ElginPrinterModel.GENERIC_TCP,
connection: '192.168.5.111',
parameter: 9100,
);
await startPrinter(_driver);
},
child: const Text('Start TCP/IP Printer (change IP in example)')),
ElevatedButton(
onPressed: () async {
final _driver = ElginPrinter(
type: ElginPrinterType.USB,
model: ElginPrinterModel.MP2800,
connection: 'USB',
parameter: 115200,
);
await startPrinter(_driver);
},
child: const Text('USB PRINTER')),
ElevatedButton(
onPressed: () async {
final _driver = ElginPrinter(
type: ElginPrinterType.BLUETHOOTH,
model: ElginPrinterModel.SMARTPOS,
connection: 'F4:5E:AB:D9:6C:3F',
parameter: 0,
);
await startPrinter(_driver);
},
child: const Text('BLUETOOTH PRINTER')),
],
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.printQRCode(
"https://github.com/brasizza/flutter-elgin",
size: ElginQrcodeSize.SIZE5,
align: ElginAlign.CENTER,
);
await Elgin.printer.feed(2);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Print qrCode')),
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.printBarCode(
'{C35170900246872000134590002121801051011580881',
barcodeType: EliginBarcodeType.CODE128,
textPosition: ElginBarcodeTextPosition.TEXT_UNDER,
align: ElginAlign.CENTER,
height: 100,
width: 3,
);
await Elgin.printer.feed(2);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Print barCode')),
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.line();
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Print line')),
ElevatedButton(
onPressed: () async {
await Elgin.printer.feed(2);
},
child: const Text('Wrap line')),
],
),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.printString('Hello I\'m bold', isBold: true);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Bold Text')),
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.printString('Normal font', fontSize: ElginSize.MD);
await Elgin.printer.feed(2);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Normal font')),
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.printString('Large font', fontSize: ElginSize.LG);
await Elgin.printer.feed(2);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Large font')),
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.printString('Very large font', fontSize: ElginSize.XL);
await Elgin.printer.feed(2);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Very large font')),
],
),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.printString('Algin right', align: ElginAlign.RIGHT);
await Elgin.printer.feed(2);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Align right')),
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.printString('Algin left', align: ElginAlign.RIGHT);
await Elgin.printer.feed(2);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Align left')),
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.printString('Align center/ LARGE TEXT AND BOLD', align: ElginAlign.CENTER, isBold: true, fontSize: ElginSize.XL, isUnderline: true);
await Elgin.printer.feed(2);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Align center'),
),
],
),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
GestureDetector(
onTap: () async {
Uint8List byte = await _getImageFromAsset('assets/images/dash.jpeg');
Directory tempPath = await getTemporaryDirectory();
File file = File('${tempPath.path}/dash.jpg');
await file.writeAsBytes(byte.buffer.asUint8List(byte.offsetInBytes, byte.lengthInBytes));
try {
await Elgin.printer.printImage(file, false);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: Column(
children: [
Image.asset(
'assets/images/dash.jpeg',
width: 100,
),
const Text('Print this image from asset!')
],
),
),
GestureDetector(
onTap: () async {
// convert image to Uint8List format
Uint8List byte = (await NetworkAssetBundle(Uri.parse(url)).load(url)).buffer.asUint8List();
Directory tempPath = await getTemporaryDirectory();
File file = File('${tempPath.path}/onlineImage.jpg');
await file.writeAsBytes(byte.buffer.asUint8List(byte.offsetInBytes, byte.lengthInBytes));
try {
await Elgin.printer.printImage(file, false);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: Column(
children: [
Image.network(
url,
width: 100,
),
const Text('Print this image from WEB!')
],
),
),
],
),
),
const Divider(),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(mainAxisAlignment: MainAxisAlignment.spaceAround, children: [
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.cut();
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('CUT PAPER')),
]),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(mainAxisAlignment: MainAxisAlignment.spaceAround, children: [
ElevatedButton(
onPressed: () async {
try {
final List<int> _escPos = await _customEscPos();
await Elgin.printer.printRaw(_escPos);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Custom ESC/POS to print')),
]),
),
],
),
const Divider(),
Text("Sensors"),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(mainAxisAlignment: MainAxisAlignment.spaceAround, children: [
ElevatedButton(
onPressed: () async {
try {
int _sensor = await Elgin.printer.statusSensor();
String messageSensor = 'Sensor is OK';
if (_sensor == 6) {
messageSensor = 'Paper is running out!';
}
if (_sensor == 7) {
messageSensor = 'No paper!';
}
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(messageSensor)));
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Paper sensor')),
]),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(mainAxisAlignment: MainAxisAlignment.spaceAround, children: [
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.elginCashier();
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Elgin cashier')),
]),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(mainAxisAlignment: MainAxisAlignment.spaceAround, children: [
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.customCashier(1, 2, 3);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Custom cashier')),
]),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(mainAxisAlignment: MainAxisAlignment.spaceAround, children: [
ElevatedButton(
onPressed: () async {
try {
await Elgin.printer.beep(5, 10, 20);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('Beep')),
]),
),
],
),
const Divider(),
Row(
children: [
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(mainAxisAlignment: MainAxisAlignment.spaceAround, children: [
ElevatedButton(
onPressed: () async {
String xmlSAT =
'<?xml version="1.0"?><CFe><infCFe versaoDadosEnt="0.07"><ide><CNPJ>08427847000169</CNPJ><signAC>SGR-SAT SISTEMA DE GESTAO E RETAGUARDA DO SAT</signAC><numeroCaixa>001</numeroCaixa></ide><emit><CNPJ>61099008000141</CNPJ><IE>111111111111</IE><IM>12345</IM><cRegTribISSQN>3</cRegTribISSQN><indRatISSQN>N</indRatISSQN></emit><dest/><det nItem="1"><prod><cProd>116</cProd><cEAN>9990000001163</cEAN><xProd>Cascao</xProd><CFOP>5405</CFOP><uCom>UN</uCom><qCom>1.0000</qCom><vUnCom>4.00</vUnCom><indRegra>A</indRegra></prod><imposto><ICMS><ICMSSN102><Orig>0</Orig><CSOSN>500</CSOSN></ICMSSN102></ICMS><PIS><PISSN><CST>49</CST></PISSN></PIS><COFINS><COFINSSN><CST>49</CST></COFINSSN></COFINS></imposto></det><total/><pgto><MP><cMP>01</cMP><vMP>4.00</vMP></MP></pgto></infCFe></CFe>';
try {
await Elgin.printer.printSAT(xmlSAT);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('PRINT SAT XML')),
]),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(mainAxisAlignment: MainAxisAlignment.spaceAround, children: [
ElevatedButton(
onPressed: () async {
String csc = '';
int cscId = 0;
String xmlNFCE = 'XML NFCE';
try {
await Elgin.printer.printNFCE(xmlNFCE, csc, cscId, param: 4);
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('PRINT NFCE XML')),
]),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(mainAxisAlignment: MainAxisAlignment.spaceAround, children: [
ElevatedButton(
onPressed: () async {
String cupomTef = 'ICAgICAgICAgICAgICAgICBSRURFCiAgICAgICAgIE1BU1RFUkNBUkQgREVCSVRPICAgICAgICAgTApDT01QUk9WOiAxMjM0NTY3ODk5IFZBTE9SOiAgICAgICAgNDQsMDcKRVNUQUI6MTIzMzMzMyBFU1RBQkVMRUNJTUVOVE8gVEVTVEUgTFREQQpDTlBKL0NQRjoxMS4xMTEuMTExLzAwMDEtMTEKMDcuMTEuMjEtMjI6MTM6MDIgVEVSTTpQVjYzOTczMi8wMDAyNTMKQ0FSVEFPOiB4eHh4eHh4eHh4eHg5OTk5CkFVVE9SSVpBQ0FPOiAzMjE2NzcKQVJRQzpCRjZGM0IxN0RENTFDRDBBCkFJRDogQTAwMDAwMDAwNDQ0NDQ0CiAgICBUUkFOU0FDQU8gQVBST1ZBREEgUEVMTyBFTUlTU09SCgoKCgogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgKFNpVGVmKQo=';
try {
await Elgin.printer.printTEF(utf8.decode(base64.decode(cupomTef)));
} on ElginException catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(e.error.message)));
}
},
child: const Text('PRINT TEF BASE64')),
]),
),
],
),
],
),
),
);
}
}
Future<Uint8List> readFileBytes(String path) async {
ByteData fileData = await rootBundle.load(path);
Uint8List fileUnit8List = fileData.buffer.asUint8List(fileData.offsetInBytes, fileData.lengthInBytes);
return fileUnit8List;
}
Future<Uint8List> _getImageFromAsset(String iconPath) async {
return await readFileBytes(iconPath);
}
Future<List<int>> _customEscPos() async {
final profile = await CapabilityProfile.load();
final generator = Generator(PaperSize.mm58, profile);
List<int> bytes = [];
bytes += generator.text('Regular: aA bB cC dD eE fF gG hH iI jJ kK lL mM nN oO pP qQ rR sS tT uU vV wW xX yY zZ');
bytes += generator.text('Bold text', styles: const PosStyles(bold: true));
bytes += generator.text('Reverse text', styles: const PosStyles(reverse: true));
bytes += generator.text('Underlined text', styles: const PosStyles(underline: true), linesAfter: 1);
bytes += generator.text('Align left', styles: const PosStyles(align: PosAlign.left));
bytes += generator.text('Align center', styles: const PosStyles(align: PosAlign.center));
bytes += generator.text('Align right', styles: const PosStyles(align: PosAlign.right), linesAfter: 1);
bytes += generator.qrcode('Barcode by escpos', size: QRSize.Size4, cor: QRCorrection.H);
bytes += generator.feed(2);
bytes += generator.row([
PosColumn(
text: 'col3',
width: 3,
styles: const PosStyles(align: PosAlign.center, underline: true),
),
PosColumn(
text: 'col6',
width: 6,
styles: const PosStyles(align: PosAlign.center, underline: true),
),
PosColumn(
text: 'col3',
width: 3,
styles: const PosStyles(align: PosAlign.center, underline: true),
),
]);
bytes += generator.text('Text size 200%',
styles: const PosStyles(
height: PosTextSize.size2,
width: PosTextSize.size2,
));
bytes += generator.reset();
return bytes;
}Metadata
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Publisher
Metadata
Este package tem como finalidade a comunicação de um jeito fácil com vários equipamentos elgin, como SAT, impressoras térmicas e mini PDVs
Repository (GitHub)
View/report issues
License
unknown (license)
