internet_permission 1.0.2

A Flutter plugin for managing internet permissions and checking network connectivity. Check if device is connected to internet, get connection type (WiFi, Mobile, Ethernet, VPN).

example/lib/main.dart

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

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

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

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final _internetPermission = InternetPermission();

  String _platformVersion = 'Unknown';
  bool _isConnected = false;
  String _connectionType = 'none';
  bool _isLoading = true;

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

  Future<void> _initPlugin() async {
    setState(() => _isLoading = true);

    try {
      final version = await _internetPermission.getPlatformVersion();
      final connected = await _internetPermission.isConnected();
      final type = await _internetPermission.getConnectionType();

      if (mounted) {
        setState(() {
          _platformVersion = version ?? 'Unknown';
          _isConnected = connected;
          _connectionType = type;
          _isLoading = false;
        });
      }
    } catch (e) {
      if (mounted) {
        setState(() {
          _platformVersion = 'Error: $e';
          _isLoading = false;
        });
      }
    }
  }

  IconData _getConnectionIcon() {
    switch (_connectionType) {
      case 'wifi':
        return Icons.wifi;
      case 'mobile':
        return Icons.signal_cellular_alt;
      case 'ethernet':
        return Icons.settings_ethernet;
      case 'vpn':
        return Icons.vpn_key;
      default:
        return Icons.wifi_off;
    }
  }

  Color _getStatusColor() {
    return _isConnected ? Colors.green : Colors.red;
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.blue,
        useMaterial3: true,
      ),
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Internet Permission Example'),
          centerTitle: true,
          elevation: 2,
        ),
        body: _isLoading
            ? const Center(child: CircularProgressIndicator())
            : RefreshIndicator(
                onRefresh: _initPlugin,
                child: SingleChildScrollView(
                  physics: const AlwaysScrollableScrollPhysics(),
                  padding: const EdgeInsets.all(24),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.stretch,
                    children: [
                      // Platform Info Card
                      Card(
                        elevation: 4,
                        child: Padding(
                          padding: const EdgeInsets.all(20),
                          child: Column(
                            children: [
                              Icon(
                                Icons.info_outline,
                                size: 48,
                                color: Colors.blue,
                              ),
                              const SizedBox(height: 12),
                              Text(
                                'Platform',
                                style: Theme.of(context).textTheme.titleMedium,
                              ),
                              const SizedBox(height: 8),
                              Text(
                                _platformVersion,
                                style: Theme.of(context).textTheme.bodyLarge,
                              ),
                            ],
                          ),
                        ),
                      ),

                      const SizedBox(height: 20),

                      // Connection Status Card
                      Card(
                        elevation: 4,
                        color: _getStatusColor().withOpacity(0.1),
                        child: Padding(
                          padding: const EdgeInsets.all(20),
                          child: Column(
                            children: [
                              Icon(
                                _getConnectionIcon(),
                                size: 64,
                                color: _getStatusColor(),
                              ),
                              const SizedBox(height: 16),
                              Text(
                                _isConnected
                                    ? 'Connected to Internet'
                                    : 'No Internet Connection',
                                style: Theme.of(context)
                                    .textTheme
                                    .titleLarge
                                    ?.copyWith(
                                      color: _getStatusColor(),
                                      fontWeight: FontWeight.bold,
                                    ),
                                textAlign: TextAlign.center,
                              ),
                              const SizedBox(height: 12),
                              Container(
                                padding: const EdgeInsets.symmetric(
                                  horizontal: 16,
                                  vertical: 8,
                                ),
                                decoration: BoxDecoration(
                                  color: _getStatusColor(),
                                  borderRadius: BorderRadius.circular(20),
                                ),
                                child: Text(
                                  _connectionType.toUpperCase(),
                                  style: const TextStyle(
                                    color: Colors.white,
                                    fontWeight: FontWeight.bold,
                                  ),
                                ),
                              ),
                            ],
                          ),
                        ),
                      ),

                      const SizedBox(height: 32),

                      // Refresh Button
                      ElevatedButton.icon(
                        onPressed: _initPlugin,
                        icon: const Icon(Icons.refresh),
                        label: const Text('Check Connection'),
                        style: ElevatedButton.styleFrom(
                          padding: const EdgeInsets.all(16),
                          textStyle: const TextStyle(fontSize: 16),
                        ),
                      ),

                      const SizedBox(height: 32),

                      // Info Text
                      Text(
                        'Pull down to refresh',
                        textAlign: TextAlign.center,
                        style: Theme.of(context).textTheme.bodySmall?.copyWith(
                              color: Colors.grey,
                            ),
                      ),
                    ],
                  ),
                ),
              ),
      ),
    );
  }
}