label_image_pro 0.0.3

A Flutter package to generate and share barcode/QR labels for thermal printers.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:label_image_pro/label_image_pro.dart';

void main() {
  runApp(const MyApp());
}

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

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

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

  @override
  State<LabelExampleScreen> createState() => _LabelExampleScreenState();
}

class _LabelExampleScreenState extends State<LabelExampleScreen> {
  LabelSize selectedSize = LabelSize.mm50x30;

  final List<labelData> demoProducts = [
    labelData(
      code: "123456",
      name: "Apple Juice",
      size: "500ml",
      color: "Red",
      price: 120,
    ),
    labelData(
      code: "789012",
      name: "Orange Juice",
      size: "1L",
      color: "Orange",
      price: 180,
    ),
  ];

  String getLabelText(LabelSize size) {
    switch (size) {
      case LabelSize.mm50x15:
        return "50 x 15 mm";
      case LabelSize.mm50x25:
        return "50 x 25 mm";
      case LabelSize.mm50x30:
        return "50 x 30 mm";
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("Label Printer Example"),
        centerTitle: true,
      ),
      body: Padding(
        padding: const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            const Text(
              "Select Label Size",
              style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 10),

            Wrap(
              spacing: 10,
              children: LabelSize.values.map((size) {
                return ChoiceChip(
                  label: Text(getLabelText(size)),
                  selected: selectedSize == size,
                  onSelected: (_) {
                    setState(() {
                      selectedSize = size;
                    });
                  },
                );
              }).toList(),
            ),

            const SizedBox(height: 20),

            const Text(
              "Products",
              style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 10),

            Expanded(
              child: ListView.builder(
                itemCount: demoProducts.length,
                itemBuilder: (context, index) {
                  final product = demoProducts[index];
                  return Card(
                    child: ListTile(
                      title: Text(product.name),
                      subtitle: Text(
                        "Code: ${product.code} | Size: ${product.size}",
                      ),
                      trailing: Text("₹${product.price}"),
                    ),
                  );
                },
              ),
            ),

            const SizedBox(height: 10),

            SizedBox(
              width: double.infinity,
              child: ElevatedButton.icon(
                onPressed: () async {
                  await LabelPrinter.printLabelsDirect(
                    labels: demoProducts,
                    size: selectedSize,
                  );
                },
                icon: const Icon(Icons.print),
                label: const Text("Print Labels"),
              ),
            ),
          ],
        ),
      ),
    );
  }
}