lono_scan 1.0.0+2

lono_scan: ^1.0.0+2 copied to clipboard

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:image_picker/image_picker.dart';
import 'package:lono_scan/lono_scan.dart';
import 'package:scan_example/lono_scan.dart';

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

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';

  String qrcode = '';

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

  Future<void> initPlatformState() async {
    String platformVersion;
    try {
      platformVersion = await LonoScan.platformVersion;
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      initialRoute: '/',
      routes: {
        '/': (context) => Scaffold(
              backgroundColor: Colors.white,
              appBar: AppBar(
                backgroundColor: Colors.orange,
                centerTitle: true,
                title: const Text('Lono scan example app'),
              ),
              body: Center(
                child: Padding(
                  padding: const EdgeInsets.all(16.0),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.center,
                    children: [
                      Text(
                        'Running on: $_platformVersion',
                        style: TextStyle(
                            fontSize: 18, fontWeight: FontWeight.w500),
                      ),
                      const SizedBox(height: 20),
                      Row(
                        children: [
                          _buildActionButton(
                            label: 'Scan from Image',
                            icon: Icons.image,
                            onPressed: () async {
                              ImagePicker picker = ImagePicker();
                              final XFile? res = await picker.pickImage(
                                source: ImageSource.gallery,
                              );

                              if (res != null) {
                                String? str = await LonoScan.parse(res.path);
                                if (str != null) {
                                  setState(() {
                                    qrcode = str;
                                  });
                                }
                                else {
                                   setState(() {
                                    qrcode = 'Null';
                                  });
                                }
                              }
                            },
                          ),
                          const SizedBox(width: 16),
                          _buildActionButton(
                            label: 'Scan Page',
                            icon: Icons.qr_code_scanner,
                            onPressed: () {
                              Navigator.push(
                                context,
                                MaterialPageRoute(
                                    builder: (context) => LonoScanPage()),
                              );
                            },
                          ),
                        ],
                      ),
                      const SizedBox(height: 30),
                      Container(
                        width: double.infinity,
                        padding: const EdgeInsets.all(12),
                        decoration: BoxDecoration(
                          color: Colors.orange.shade50,
                          borderRadius: BorderRadius.circular(10),
                          border: Border.all(color: Colors.orange.shade300),
                        ),
                        child: Column(
                          children: [
                            Text(
                              'Scan result:',
                              style: TextStyle(
                                fontSize: 16,
                                fontWeight: FontWeight.w500,
                                color: Colors.orange.shade700,
                              ),
                            ),
                            const SizedBox(height: 8),
                            Text(
                              qrcode.isNotEmpty ? qrcode : 'No result',
                              style: TextStyle(
                                  fontSize: 16, color: Colors.black87),
                              textAlign: TextAlign.center,
                            ),
                          ],
                        ),
                      ),
                    ],
                  ),
                ),
              ),
            ),
      },
    );
  }

  Widget _buildActionButton({
    required String label,
    required IconData icon,
    required VoidCallback onPressed,
  }) {
    return Expanded(
      child: ElevatedButton.icon(
        onPressed: onPressed,
        icon: Icon(
          icon,
          size: 20,
          color: Colors.white,
        ),
        label: Text(label),
        style: ElevatedButton.styleFrom(
          backgroundColor: Colors.orange,
          foregroundColor: Colors.white,
          padding: const EdgeInsets.symmetric(vertical: 16),
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(12),
          ),
          elevation: 4,
        ),
      ),
    );
  }
}