network_checker_plus 1.0.3

network_checker_plus: ^1.0.3 copied to clipboard

example/lib/main.dart

import 'dart:async';

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

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Network Checker Plus Example',
      theme: ThemeData(primarySwatch: Colors.blue),
      home: const NetworkCheckerHomePage(),
    );
  }
}

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

  @override
  State<NetworkCheckerHomePage> createState() => _NetworkCheckerHomePageState();
}

class _NetworkCheckerHomePageState extends State<NetworkCheckerHomePage> {
  bool _isConnected = false;
  String _connectionType = 'Unknown';
  String _networkSpeed = 'Unknown';
  int _signalStrength = -1;
  String _connectivityStream = 'Waiting...';

  StreamSubscription<String>? _subscription;

  Future<void> _updateNetworkInfo() async {
    try {
      final connected = await NetworkCheckerPlus.isConnected();
      final type = await NetworkCheckerPlus.getConnectionType();
      final speed = await NetworkCheckerPlus.getNetworkSpeed();
      final strength = await NetworkCheckerPlus.getSignalStrength();

      setState(() {
        _isConnected = connected;
        _connectionType = type;
        _networkSpeed = speed;
        _signalStrength = strength;
      });
    } catch (e) {
      debugPrint('Error fetching network info: $e');
    }
  }

  void _startListeningToConnectivity() {
    _subscription = NetworkCheckerPlus.connectivityStream.listen((event) {
      setState(() {
        _connectivityStream = event;
      });
    });
  }

  @override
  void initState() {
    super.initState();
    _updateNetworkInfo();
    _startListeningToConnectivity();
  }

  @override
  void dispose() {
    _subscription?.cancel();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Network Checker Plus'),
      ),
      body: RefreshIndicator(
        onRefresh: _updateNetworkInfo,
        child: ListView(
          padding: const EdgeInsets.all(16.0),
          children: [
            ListTile(
              title: const Text("Is Connected"),
              trailing: Text(_isConnected ? '✅ Yes' : '❌ No'),
            ),
            ListTile(
              title: const Text("Connection Type"),
              trailing: Text(_connectionType),
            ),
            ListTile(
              title: const Text("Network Speed"),
              trailing: Text(_networkSpeed),
            ),
            ListTile(
              title: const Text("Signal Strength (Wi-Fi)"),
              trailing: Text(_signalStrength >= 0
                  ? '📶 $_signalStrength/4'
                  : 'Unavailable'),
            ),
            ListTile(
              title: const Text("Connectivity Stream"),
              trailing: Text(_connectivityStream),
            ),
          ],
        ),
      ),
    );
  }
}