nova_avx 1.0.1

A Flutter package for QR code scanning and product authentication with image quality analysis.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:nova_avx/nova_avx.dart';
import 'config.dart';

void main() {
  // Configure the API before running the app
  // The actual API URL is stored in config.dart
  NovaAvxConfig.configureApi(
    baseUrl: ApiConfig.getApiBaseUrl(),
    timeoutSeconds: ApiConfig.getApiTimeout(),
  );
  
  runApp(const MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Nova AVX Example',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(
          seedColor: const Color(0xFF2196F3), // Blue primary color
          brightness: Brightness.light,
        ),
        useMaterial3: true,
        scaffoldBackgroundColor: const Color(0xFFF3F8FF), // Light blue background
        appBarTheme: const AppBarTheme(
          backgroundColor: Color(0xFF2196F3),
          foregroundColor: Colors.white,
          elevation: 0,
        ),
        elevatedButtonTheme: ElevatedButtonThemeData(
          style: ElevatedButton.styleFrom(
            backgroundColor: const Color(0xFF2196F3),
            foregroundColor: Colors.white,
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(12),
            ),
          ),
        ),
      ),
      home: const MyHomePage(title: 'Nova AVX Example'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: const Color(0xFF2196F3), // Blue primary color
        foregroundColor: Colors.white,
        title: Text(widget.title),
        elevation: 0,
      ),
      body: Container(
        decoration: const BoxDecoration(
          color: Color(0xFFF3F8FF), // Light blue background
        ),
        child: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              const Icon(
                Icons.qr_code_scanner,
                size: 100,
                color: Color(0xFF2196F3), // Blue primary color
              ),
            const SizedBox(height: 20),
            const Text(
              'Nova AVX Package Example',
              style: TextStyle(
                fontSize: 24,
                fontWeight: FontWeight.bold,
              ),
            ),
            const SizedBox(height: 10),
            const Text(
              'QR Code Scanning and Product Authentication',
              style: TextStyle(
                fontSize: 16,
                color: Colors.grey,
              ),
            ),
            const SizedBox(height: 40),
            const Text(
              'Features:',
              style: TextStyle(
                fontSize: 18,
                fontWeight: FontWeight.w600,
              ),
            ),
            const SizedBox(height: 20),
            const FeatureItem(
              icon: Icons.camera_alt,
              title: 'QR Code Scanning',
              description: 'Advanced QR code detection with image quality analysis',
            ),
            const FeatureItem(
              icon: Icons.verified,
              title: 'Product Authentication',
              description: 'Verify product authenticity using ML models',
            ),
            const FeatureItem(
              icon: Icons.analytics,
              title: 'Image Quality Analysis',
              description: 'Low light detection and sharpness analysis',
            ),
            const SizedBox(height: 40),
            ElevatedButton.icon(
              onPressed: () {
                Navigator.push(
                  context,
                  MaterialPageRoute(
                    builder: (context) => NovaAvx.startScanning(),
                  ),
                );
              },
              icon: const Icon(Icons.qr_code_scanner),
              label: const Text('Start QR Scanning'),
              style: ElevatedButton.styleFrom(
                padding: const EdgeInsets.symmetric(
                  horizontal: 32,
                  vertical: 16,
                ),
                textStyle: const TextStyle(fontSize: 18),
              ),
            ),
            const SizedBox(height: 20),
            const Text(
              'Tap the button above to start the QR scanning process',
              style: TextStyle(
                fontSize: 14,
                color: Colors.grey,
              ),
              textAlign: TextAlign.center,
            ),
          ],
        ),
        ),
      ),
    );
  }
}

class FeatureItem extends StatelessWidget {
  final IconData icon;
  final String title;
  final String description;

  const FeatureItem({
    super.key,
    required this.icon,
    required this.title,
    required this.description,
  });

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 8),
      child: Row(
        children: [
          Icon(
            icon,
            color: const Color(0xFF2196F3), // Blue primary color
            size: 24,
          ),
          const SizedBox(width: 16),
          Expanded(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  title,
                  style: const TextStyle(
                    fontSize: 16,
                    fontWeight: FontWeight.w600,
                  ),
                ),
                Text(
                  description,
                  style: const TextStyle(
                    fontSize: 14,
                    color: Colors.grey,
                  ),
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }
}