nigerian_network_detector 1.0.0

nigerian_network_detector: ^1.0.0 copied to clipboard

example/lib/main.dart

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

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Nigerian Network Detector',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(
          seedColor: Colors.green,
          brightness: Brightness.light,
        ),
        useMaterial3: true,
      ),
      darkTheme: ThemeData(
        colorScheme: ColorScheme.fromSeed(
          seedColor: Colors.green,
          brightness: Brightness.dark,
        ),
        useMaterial3: true,
      ),
      home: const HomeScreen(),
    );
  }
}

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

  @override
  State<HomeScreen> createState() => _HomeScreenState();
}

class _HomeScreenState extends State<HomeScreen> {
  final TextEditingController _controller = TextEditingController();
  NigerianNetworkResult? _result;

  void _onChanged(String value) {
    setState(() {
      if (value.isEmpty) {
        _result = null;
      } else {
        _result = NigerianNetworkDetector.detect(value);
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Naija Network Detector'),
        centerTitle: true,
      ),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(24.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            const Text(
              'Enter a Nigerian phone number to detect its network carrier.',
              textAlign: TextAlign.center,
              style: TextStyle(fontSize: 16, color: Colors.grey),
            ),
            const SizedBox(height: 32),
            TextField(
              controller: _controller,
              onChanged: _onChanged,
              keyboardType: TextInputType.phone,
              decoration: InputDecoration(
                labelText: 'Phone Number',
                hintText: 'e.g., 08031234567 or +234...',
                prefixIcon: const Icon(Icons.phone),
                border: OutlineInputBorder(
                  borderRadius: BorderRadius.circular(16),
                ),
                filled: true,
              ),
            ),
            const SizedBox(height: 40),
            if (_result != null) _buildResultCard(),
          ],
        ),
      ),
    );
  }

  Widget _buildResultCard() {
    final isSuccess = _result!.isValid;

    return AnimatedContainer(
      duration: const Duration(milliseconds: 300),
      padding: const EdgeInsets.all(20),
      decoration: BoxDecoration(
        color: Theme.of(context).colorScheme.surfaceVariant.withValues(alpha: 0.5),
        borderRadius: BorderRadius.circular(24),
        border: Border.all(
          color: isSuccess
              ? Colors.green.withValues(alpha: 0.5)
              : Colors.red.withValues(alpha: 0.5),
          width: 2,
        ),
      ),
      child: Column(
        children: [
          Icon(
            isSuccess ? Icons.check_circle_outline : Icons.error_outline,
            size: 48,
            color: isSuccess ? Colors.green : Colors.red,
          ),
          const SizedBox(height: 16),
          if (isSuccess) ...[
            Text(
              _result!.network.toString().split('.').last.toUpperCase(),
              style: const TextStyle(
                fontSize: 28,
                fontWeight: FontWeight.bold,
                letterSpacing: 1.2,
              ),
            ),
            const SizedBox(height: 8),
            const Divider(),
            _buildInfoRow('Normalized', _result!.normalized ?? '-'),
            _buildInfoRow('International', _result!.international ?? '-'),
            _buildInfoRow('Prefix', _result!.prefix ?? '-'),
          ] else ...[
            const Text(
              'Invalid Number',
              style: TextStyle(
                fontSize: 20,
                fontWeight: FontWeight.bold,
                color: Colors.red,
              ),
            ),
            const SizedBox(height: 8),
            Text(
              _result!.error ?? 'Unknown error',
              textAlign: TextAlign.center,
            ),
          ],
        ],
      ),
    );
  }

  Widget _buildInfoRow(String label, String value) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 4.0),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          Text(label, style: const TextStyle(fontWeight: FontWeight.w500)),
          Text(value, style: const TextStyle(fontFamily: 'monospace')),
        ],
      ),
    );
  }
}