devla_sunmi 2.0.2

Support SUNMI T2.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:async';
import 'package:devla_sunmi/flutter_sunmi_printer.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.blue,
        ),
        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> {
  PrinterStatus? _printerStatus;
  PrinterMode? _printerMode;

  @override
  void initState() {
    super.initState();

    _bindingPrinter().then((bool isBind) async => {
          if (isBind)
            {
              _getPrinterStatus(),
              _printerMode = await _getPrinterMode(),
            }
        });
  }

  /// must binding ur printer at first init in app
  Future<bool> _bindingPrinter() async {
    final bool result = await SunmiPrinter.bindingPrinter();
    return result;
  }

  /// you can get printer status
  Future<void> _getPrinterStatus() async {
    final PrinterStatus result = await SunmiPrinter.getPrinterStatus();
    setState(() {
      _printerStatus = result;
    });
  }

  Future<PrinterMode> _getPrinterMode() async {
    final PrinterMode mode = await SunmiPrinter.getPrinterMode();
    return mode;
  }

  void printer() async {
    await SunmiPrinter.startTransactionPrint();
    await SunmiPrinter.printText('ໃບບິນ',
        style: SunmiStyle(
            align: SunmiPrintAlign.CENTER,
            bold: true,
            fontSize: SunmiFontSize.LG));
    await SunmiPrinter.printText('Paymart payrich ສາຂາ ໜອງພະຍາ',
        style: SunmiStyle(
            align: SunmiPrintAlign.CENTER,
            bold: true,
            fontSize: SunmiFontSize.MD));
    await SunmiPrinter.printText('( Vientiane, Xaisetthar, Meuang noy )',
        style: SunmiStyle(
          align: SunmiPrintAlign.CENTER,
        ));
    await SunmiPrinter.printText('[phone]',
        style: SunmiStyle(
          align: SunmiPrintAlign.CENTER,
        ));
    await SunmiPrinter.line();

    await SunmiPrinter.printRow(cols: [
      ColumnMaker(text: 'ເລກບິນ', width: 6),
      ColumnMaker(text: '1234567890', width: 6, align: SunmiPrintAlign.RIGHT),
    ]);

    await SunmiPrinter.printRow(cols: [
      ColumnMaker(text: 'ວັນເວລາ', width: 6),
      ColumnMaker(text: '01/01/2022', width: 6, align: SunmiPrintAlign.RIGHT),
    ]);

    await SunmiPrinter.printRow(cols: [
      ColumnMaker(text: 'ຊຳລະໂດຍ', width: 6),
      ColumnMaker(text: 'ເງິນສົດ', width: 6, align: SunmiPrintAlign.RIGHT),
    ]);

    await SunmiPrinter.line();
    await SunmiPrinter.printText('ລາຍການສິນຄ້າ',
        style: SunmiStyle(
            align: SunmiPrintAlign.CENTER,
            bold: true,
            fontSize: SunmiFontSize.MD));

    await SunmiPrinter.printRow(cols: [
      ColumnMaker(text: '1. ເບຍລາວໃຫຍ່', width: 6),
      ColumnMaker(text: '2 x 120,000', width: 6, align: SunmiPrintAlign.RIGHT),
    ]);
    await SunmiPrinter.printRow(cols: [
      ColumnMaker(text: '1. ເບຍລາວໃຫຍ່', width: 6),
      ColumnMaker(text: '2 x 120,000', width: 6, align: SunmiPrintAlign.RIGHT),
    ]);
    await SunmiPrinter.printRow(cols: [
      ColumnMaker(text: '1. ເບຍລາວໃຫຍ່', width: 6),
      ColumnMaker(text: '2 x 120,000', width: 6, align: SunmiPrintAlign.RIGHT),
    ]);
    await SunmiPrinter.printRow(cols: [
      ColumnMaker(text: '1. ເບຍລາວໃຫຍ່', width: 6),
      ColumnMaker(text: '2 x 120,000', width: 6, align: SunmiPrintAlign.RIGHT),
    ]);

    await SunmiPrinter.line();
    await SunmiPrinter.printText('ສະມາຊິກ',
        style: SunmiStyle(
            align: SunmiPrintAlign.CENTER,
            bold: true,
            fontSize: SunmiFontSize.MD));

    await SunmiPrinter.printRow(cols: [
      ColumnMaker(text: 'ຊື່', width: 6),
      ColumnMaker(text: 'ພີນ', width: 6, align: SunmiPrintAlign.RIGHT),
    ]);
    await SunmiPrinter.printRow(cols: [
      ColumnMaker(text: 'ເບີໂທ', width: 6),
      ColumnMaker(text: '99999999', width: 6, align: SunmiPrintAlign.RIGHT),
    ]);

    await SunmiPrinter.printRow(cols: [
      ColumnMaker(text: 'ຄະແນນກັບຄືນ', width: 6),
      ColumnMaker(text: '2,000 ຄະແນນ', width: 6, align: SunmiPrintAlign.RIGHT),
    ]);

    await SunmiPrinter.printText('ຂໍຂອບໃຈ',
        style: SunmiStyle(
            align: SunmiPrintAlign.CENTER,
            bold: true,
            fontSize: SunmiFontSize.MD));
    await SunmiPrinter.lineWrap(3);
    await SunmiPrinter.submitTransactionPrint();
    await SunmiPrinter.exitTransactionPrint();
  }

  Future<void> printBarCode() async {
    await SunmiPrinter.startTransactionPrint();
    await SunmiPrinter.printBarCode('987651231');
    await SunmiPrinter.printText('VTE-123123-123123',
        style: SunmiStyle(
            align: SunmiPrintAlign.CENTER,
            bold: false,
            fontSize: SunmiFontSize.MD));
    await SunmiPrinter.printText('ວັນເວລາ: 01/01/2022 || 15:00:00');
    await SunmiPrinter.lineWrap(1);
    await SunmiPrinter.printRow(cols: [
      ColumnMaker(text: 'col1', width: 6),
      ColumnMaker(text: 'col3', width: 6, align: SunmiPrintAlign.RIGHT),
    ]);
    await SunmiPrinter.lineWrap(3);
    await SunmiPrinter.submitTransactionPrint();
    await SunmiPrinter.exitTransactionPrint();
  }

  Future<void> printQrCode() async {
    await SunmiPrinter.startTransactionPrint();
    await SunmiPrinter.printQRCode('987651231');
    await SunmiPrinter.printText('VTE-123123-123123',
        style: SunmiStyle(
            align: SunmiPrintAlign.CENTER,
            bold: false,
            fontSize: SunmiFontSize.MD));
    await SunmiPrinter.printText('ວັນເວລາ: 01/01/2022 || 15:00:00');
    await SunmiPrinter.lineWrap(1);
    await SunmiPrinter.printRow(cols: [
      ColumnMaker(text: 'col1', width: 6),
      ColumnMaker(text: 'col3', width: 6, align: SunmiPrintAlign.RIGHT),
    ]);
    await SunmiPrinter.lineWrap(3);
    await SunmiPrinter.submitTransactionPrint();
    await SunmiPrinter.exitTransactionPrint();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          centerTitle: true,
          title: const Text('SUNMI Printer by Devla'),
        ),
        body: Center(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              ElevatedButton(
                  onPressed: () => printer(), child: const Text('printer')),
              ElevatedButton(
                  onPressed: () => printBarCode(),
                  child: const Text('printBarCode')),
              ElevatedButton(
                  onPressed: () => printQrCode(), child: const Text('QRCODE')),
            ],
          ),
        ));
  }
}