/
main.dart
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/
main.dart
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import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:mdns_bloc/mdns_bloc.dart';
import 'package:mdns_bloc/mdns_event.dart';
import 'package:mdns_bloc/mdns_state.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return BlocProvider(
create: (_) => MDnsBloc()
..add(const MDnsEventStartSearch(
serverPointer: '_http._tcp', service: 'example._http._tcp.local')),
child: const MyAppView(),
);
}
}
class MyAppView extends StatelessWidget {
const MyAppView({super.key});
@override
Widget build(BuildContext context) {
return BlocBuilder<MDnsBloc, MDnsState>(builder: (context, state) {
switch (state.status) {
case MDnsStatus.initial:
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('mDNS Scanning'),
),
body: SafeArea(
child: Container(
padding: const EdgeInsets.all(12.0),
child: const Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
SizedBox(
width: 60,
height: 60,
child: CircularProgressIndicator(),
),
Padding(
padding: EdgeInsets.only(top: 16),
child: Text('Searching...'),
),
],
),
)))));
case MDnsStatus.mDnsScanned:
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('mDNS Scanning Complete'),
actions: [
IconButton(
icon: const Icon(Icons.refresh),
onPressed: () {
context.read<MDnsBloc>().add(
const MDnsEventStartSearch(
serverPointer: '_http._tcp'));
}),
],
),
body: SafeArea(
child: Container(
padding: const EdgeInsets.all(12.0),
child: const Center(
child: Text('No services found'),
)))));
case MDnsStatus.mDnsFound:
case MDnsStatus.mDnsMatch:
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('mDNS Scanning Complete'),
actions: [
IconButton(
icon: const Icon(Icons.refresh),
onPressed: () {
context.read<MDnsBloc>().add(
const MDnsEventStartSearch(
serverPointer: '_http._tcp'));
}),
],
),
body: SafeArea(
child: Container(
padding: const EdgeInsets.all(12.0),
child: Column(
mainAxisSize: MainAxisSize.max,
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Flexible(
child: Container(
padding: const EdgeInsets.all(12.0),
child: Text(
"Detected ${state.dnsSrvRecords.length} service${state.dnsSrvRecords.length > 1 ? 's' : ''}:"),
),
),
Expanded(
child: ListView.builder(
shrinkWrap: true,
itemCount: state.dnsSrvRecords.length,
itemBuilder: (context, index) {
var keys =
state.dnsSrvRecords.keys.toList();
var name = keys[index].name;
return ListTile(
title: Text(
'$name - ${state.dnsSrvRecords[keys[index]]?.address.address}'),
tileColor: name == state.service?.name
? Colors.lightBlue
: null,
);
},
))
])))));
case MDnsStatus.error:
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Error mDNS Scanning'),
),
body: SafeArea(
child: Container(
padding: const EdgeInsets.all(12.0),
child: Text(
'There was an error in scanning: ${state.errorMsg}.\n\n\nFinal state was: $state'),
))));
}
});
}
}