flutter_esc_pos_network 1.0.2

The library allows printing receipts using ESC/POS commands using thermal Wi-Fi/Ethernet printer.

example/main.dart

import 'package:flutter_esc_pos_utils/flutter_esc_pos_utils.dart';
import 'package:flutter_esc_pos_network/flutter_esc_pos_network.dart';

class NetworkPrinter {
  Future<List<int>> testTicket() async {
    final profile = await CapabilityProfile.load();
    final generator = Generator(PaperSize.mm80, 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('Special 1: àÀ èÈ éÉ ûÛ üÜ çÇ ôÔ',
        styles: const PosStyles(codeTable: 'CP1252'));
    bytes += generator.text('Special 2: blåbærgrød',
        styles: const PosStyles(codeTable: 'CP1252'));

    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.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,
        ));

    // Print barcode
    final List<int> barData = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 4];
    bytes += generator.barcode(Barcode.upcA(barData));

    bytes += generator.feed(2);
    bytes += generator.cut();
    return bytes;
  }

  Future<void> printTicket(List<int> ticket) async {
    final printer = PrinterNetworkManager('192.168.1.100');
    PosPrintResult connect = await printer.connect();
    if (connect == PosPrintResult.success) {
      PosPrintResult printing = await printer.printTicket(ticket);

      print(printing.msg);
      printer.disconnect();
    }
  }
}