final udpSocket = await RawDatagramSocket.bind(InternetAddress.anyIPv4, 5544, reuseAddress: true);
    udpSocket.joinMulticast(address);
    final subscription = udpSocket.listen(
      (e) {
        Datagram dg = udpSocket.receive();
        if (dg == null) return;

        String message = new String.fromCharCodes(dg.data);
        if (message.startsWith(wantedResponse)) {
          final data = message.replaceFirst(wantedResponse, '').trim();
          final json = jsonDecode(data);

          final url = '${json['isSecure'] ? 'https' : 'http'}://${dg.address.address}:${json['port']}/';
          completer.complete(url);
        }
      },
      cancelOnError: true,
      onError: completer.completeError,
    );
    udpSocket.send(dataToSend, address, 5544);

12:04:24.192 21 info flutter.tools  OS Error: Can't assign requested address, errno = 49
12:04:24.199 22 info flutter.tools  #0      _NativeSocket.joinMulticast (dart:io-patch/socket_patch.dart:1151:28)
12:04:24.199 23 info flutter.tools #1      _RawDatagramSocket.joinMulticast (dart:io-patch/socket_patch.dart:1901:13)
12:04:24.199 24 info flutter.tools #2      LocalServerProvider.search (package:lisa_flutter/src/common/network/local_server_provider.dart:22:15)
12:04:24.199 25 info flutter.tools <asynchronous suspension>
12:04:24.199 26 info flutter.tools #3      HostInterceptor.before (package:lisa_flutter/src/common/network/api_provider.dart:55:53)
12:04:24.199 27 info flutter.tools <asynchronous suspension>
12:04:24.199 28 info flutter.tools #4      Post._send (package:jaguar_resty/routes/routes.dart:681:44)
12:04:24.199 29 info flutter.tools <asynchronous suspension>
12:04:24.199 30 info flutter.tools #5      Post.go (package:jaguar_resty/routes/routes.dart:723:41)
12:04:24.199 31 info flutter.tools #6      _LoginApi&ApiClient&_$LoginApiClient.login (package:lisa_server_sdk/api/login_api.jretro.dart:16:16)
12:04:24.199 32 info flutter.tools <asynchronous suspension>
12:04:24.199 33 info flutter.tools #7      LoginApi.login (package:lisa_server_sdk/api/login_api.dart:28:22)
12:04:24.199 34 info flutter.tools #8      _LoginBloc.login (package:lisa_flutter/src/login/bloc/login_bloc.dart:61:51)
12:04:24.200 35 info flutter.tools <asynchronous suspension>
12:04:24.200 36 info flutter.tools #9      LoginBloc.login.<anonymous closure> (package:lisa_flutter/src/login/bloc/login_bloc.g.dart:63:47)
12:04:24.200 37 info flutter.tools #10     _rootRun (dart:async/zone.dart:1124:13)
12:04:24.200 38 info flutter.tools #11     _ZoneDelegate.run (dart:async/zone.dart:711:19)
12:04:24.200 39 info flutter.tools #12     AsyncAction._run (package:mobx/src/api/async/async_action.dart:41:29)
12:04:24.200 40 info flutter.tools #13     _CustomZone.run (dart:async/zone.dart:1021:19)
12:04:24.200 41 info flutter.tools #14     AsyncAction.run (package:mobx/src/api/async/async_action.dart:26:26)
12:04:24.200 42 info flutter.tools <asynchronous suspension>
12:04:24.200 43 info flutter.tools #15     LoginBloc.login (package:lisa_flutter/src/login/bloc/login_bloc.g.dart:63:31)
12:04:24.200 44 info flutter.tools #16     LoginScreen.build.<anonymous closure> (package:lisa_flutter/src/login/presentation/login_screen.dart:82:45)
12:04:24.202 45 info flutter.tools #17     ProgressButton.build.<anonymous closure> (package:lisa_flutter/src/common/presentation/loading_button.dart:58:40)
12:04:24.202 46 info flutter.tools <asynchronous suspension>
12:04:24.202 47 info flutter.tools #18     _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:635:14)
12:04:24.202 48 info flutter.tools #19     _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:711:32)
12:04:24.202 49 info flutter.tools #20     GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:181:24)
12:04:24.202 50 info flutter.tools #21     TapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:352:11)
12:04:24.202 51 info flutter.tools #22     TapGestureRecognizer.handlePrimaryPointer (package:flutter/src/gestures/tap.dart:264:7)
12:04:24.204 52 info flutter.tools #23     PrimaryPointerGestureRecognizer.handleEvent (package:flutter/src/gestures/recognizer.dart:450:9)
12:04:24.204 53 info flutter.tools #24     PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:73:12)
12:04:24.204 54 info flutter.tools #25     PointerRouter.route (package:flutter/src/gestures/pointer_router.dart:100:11)
12:04:24.204 55 info flutter.tools #26     _WidgetsFlutterBinding&BindingBase&GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:218:19)
12:04:24.204 56 info flutter.tools #27     _WidgetsFlutterBinding&BindingBase&GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:198:22)
12:04:24.205 57 info flutter.tools #28     _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:156:7)
12:04:24.205 58 info flutter.tools #29     _WidgetsFlutterBinding&BindingBase&GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:102:7)
12:04:24.205 59 info flutter.tools #30     _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:86:7)
12:04:24.206 60 info flutter.tools #31     _rootRunUnary (dart:async/zone.dart:1136:13)
12:04:24.206 61 info flutter.tools #32     _CustomZone.runUnary (dart:async/zone.dart:1029:19)
12:04:24.206 62 info flutter.tools #33     _CustomZone.runUnaryGuarded (dart:async/zone.dart:931:7)
12:04:24.206 63 info flutter.tools #34     _invoke1 (dart:ui/hooks.dart:234:10)
12:04:24.206 64 info flutter.tools #35     _dispatchPointerDataPacket (dart:ui/hooks.dart:154:5)

[✓] Flutter (Channel dev, v1.6.5, on Mac OS X 10.14.5 18F132, locale fr-FR)
    • Flutter version 1.6.5 at /Users/jaumard/flutter
    • Framework revision 7c811b6a66 (2 days ago), 2019-05-28 10:19:19 -0700
    • Engine revision 8dc3a4cde2
    • Dart version 2.3.2 (build 2.3.2-dev.0.0 e3edfd36b2)

 
[✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
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    • Platform android-28, build-tools 28.0.3
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    • Xcode 10.2.1, Build version 10E1001
    • CocoaPods version 1.5.3

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    • ios-deploy 1.9.4

[✓] Android Studio (version 3.4)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin version 35.3.1
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    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1343-b01)

[✓] IntelliJ IDEA Ultimate Edition (version 2019.1.2)
    • IntelliJ at /Applications/IntelliJ IDEA.app
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[✓] Connected device (3 available)
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• No issues found!