pos_flutter_printer 1.0.8

pos_flutter_printer: ^1.0.8 copied to clipboard

example/lib/main.dart

// example/lib/main.dart

import 'dart:convert';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:pos_flutter_printer/pos_flutter_printer.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      home: PrinterExamplePage(),
      debugShowCheckedModeBanner: false,
    );
  }
}

class PrinterExamplePage extends StatefulWidget {
  const PrinterExamplePage({super.key});

  @override
  State<PrinterExamplePage> createState() => _PrinterExamplePageState();
}

class _PrinterExamplePageState extends State<PrinterExamplePage> {
  final PosFlutterPrinter _printer = PosFlutterPrinter();

  Future<void> _printReceipt() async {
    final ByteData logoBytes = await rootBundle.load('assets/logo.png');
    final String base64Logo = base64Encode(Uint8List.view(logoBytes.buffer));

    final List<Map<String, dynamic>> lines = [
      {
        "text": "THANK YOU",
        "align": "center",
        "size": 4,
        "bold": true,
        "font": "Roboto-Regular.ttf",
        "marginTop": 20,
      },
      {
        "text": "Pawan Kumar",
        "align": "center",
        "size": 3,
        "bold": false,
        "font": "Roboto-Regular.ttf",
        "marginTop": 10,
      },
      {
        "text": "4Brains Technologies Pvt Ltd",
        "align": "center",
        "size": 2,
        "bold": false,
        "font": "Roboto-Regular.ttf",
      },
      {
        "text": "T0067, Akshar Business Park\nJanta Market Road, Vashi",
        "align": "center",
        "size": 1,
        "bold": false,
        "font": "Roboto-Regular.ttf",
      },
      {"image": base64Logo, "width": 200, "align": "center", "marginTop": 20},
      {
        "qr": "https://4brains.in",
        "width": 200,
        "align": "center",
        "marginTop": 20,
      },
    ];

    try {
      final result = await _printer.printStructuredReceipt(
        lines: lines,
        topMargin: 40,
        bottomMargin: 60,
      );
      debugPrint("✅ Print Result: $result");
    } catch (e) {
      debugPrint("❌ Print Failed: $e");
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text("POS Flutter Printer Example")),
      body: Center(
        child: ElevatedButton(
          onPressed: _printReceipt,
          child: const Text("Print Receipt"),
        ),
      ),
    );
  }
}