local_network_rwx 1.0.8

Check and request the iOS Local Network permission reliably. Uses NWBrowser with debounced state handling to trigger the system dialog and detect whether the user granted or denied access. No-op on no [...]

example/lib/main.dart

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

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

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

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

class _MyAppState extends State<MyApp> {
  LocalNetworkStatusRWX _status = LocalNetworkStatusRWX.unknown;
  bool _checking = false;

  Future<void> _checkPermission() async {
    setState(() => _checking = true);

    // Optional: send a UDP primer to increase reliability on older iOS versions.
    final broadcast = await LocalNetworkPermissionRWX.getBroadcastAddress();
    await LocalNetworkPermissionRWX.sendUdpPrimer(broadcastAddress: broadcast);

    // Request / check the permission via NWBrowser.
    // Replace '_myapp._tcp' with your own Bonjour service type.
    // It must also be listed in your Info.plist under NSBonjourServices.
    final status = await LocalNetworkPermissionRWX.requestPermission(
      serviceType: '_myapp._tcp',
    );

    setState(() {
      _status = status;
      _checking = false;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('Local Network Permission')),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Icon(
                _status == LocalNetworkStatusRWX.granted
                    ? Icons.check_circle
                    : _status == LocalNetworkStatusRWX.denied
                        ? Icons.cancel
                        : Icons.help_outline,
                size: 64,
                color: _status == LocalNetworkStatusRWX.granted
                    ? Colors.green
                    : _status == LocalNetworkStatusRWX.denied
                        ? Colors.red
                        : Colors.grey,
              ),
              const SizedBox(height: 16),
              Text(
                'Status: ${_status.name}',
                style: const TextStyle(fontSize: 24),
              ),
              const SizedBox(height: 32),
              ElevatedButton(
                onPressed: _checking ? null : _checkPermission,
                child: _checking
                    ? const SizedBox(
                        width: 20,
                        height: 20,
                        child: CircularProgressIndicator(strokeWidth: 2),
                      )
                    : const Text('Check Permission'),
              ),
              const SizedBox(height: 16),
              TextButton(
                onPressed: () => LocalNetworkPermissionRWX.openSettings(),
                child: const Text('Open Settings'),
              ),
              const SizedBox(height: 48),
              const Padding(
                padding: EdgeInsets.symmetric(horizontal: 24),
                child: Text(
                  'Note: This example app does not have the Multicast '
                  'Networking entitlement (com.apple.developer.networking.multicast) '
                  'from Apple, so the permission dialog will not appear and '
                  'results will be unreliable.\n\n'
                  'Use this code as a reference for your own project that '
                  'has the entitlement granted by Apple.',
                  textAlign: TextAlign.center,
                  style: TextStyle(
                    fontSize: 13,
                    color: Colors.orange,
                    fontStyle: FontStyle.italic,
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}