Fix for slowness of device scan

integration_test/app_test.dart

@@ -53,7 +53,7 @@ void main() {
       await tester.tap(devicesButton);
       await tester.pump();
       expect(find.byType(AdaptiveListTile), findsAny);
-      await tester.pumpAndSettle(const Duration(seconds: 4));
+      await tester.pumpAndSettle();
       await tester.pump();
       expect(find.byType(AdaptiveListTile), findsAtLeast(2));
 

lib/pages/host_scan_page/host_scan_bloc/host_scan_bloc.dart

@@ -9,7 +9,6 @@ import 'package:network_tools_flutter/network_tools_flutter.dart';
 import 'package:vernet/helper/utils_helper.dart';
 import 'package:vernet/injection.dart';
 import 'package:vernet/main.dart';
-import 'package:vernet/models/device_in_the_network.dart';
 import 'package:vernet/models/isar/device.dart';
 import 'package:vernet/models/isar/scan.dart';
 import 'package:vernet/repository/notification_service.dart';
@@ -38,7 +37,7 @@ class HostScanBloc extends Bloc<HostScanEvent, HostScanState> {
   String? subnet;
 
   /// List of all ActiveHost devices that got found in the current scan
-  final List<DeviceInTheNetwork> deviceInTheNetworkList = [];
+  final Set<Device> devicesSet = {};
 
   /// mDNS for each ip
   final Map<String, MdnsInfo> mDnsDevices = {};
@@ -47,7 +46,7 @@ class HostScanBloc extends Bloc<HostScanEvent, HostScanState> {
     Initialized event,
     Emitter<HostScanState> emit,
   ) async {
-    deviceInTheNetworkList.clear();
+    devicesSet.clear();
     mDnsDevices.clear();
     emit(const HostScanState.loadInProgress());
     await initializeWifiParameters(emit);
@@ -82,16 +81,16 @@ class HostScanBloc extends Bloc<HostScanEvent, HostScanState> {
   ) async {
     emit(const HostScanState.loadInProgress());
 
-    final Set<Device> devices = {};
     final deviceStream =
         getIt<DeviceScannerService>().startNewScan(subnet!, ip!, gatewayIp!);
     await for (final Device device in deviceStream) {
-      devices.add(device);
-      emit(HostScanState.foundNewDevice(devices));
+      devicesSet.add(device);
+      emit(const HostScanState.loadInProgress());
+      emit(HostScanState.foundNewDevice(devicesSet));
     }
 
     await NotificationService.showNotificationWithActions();
-    emit(HostScanState.loadSuccess(devices));
+    emit(HostScanState.loadSuccess(devicesSet));
   }
 
   Future<void> _loadScanAndShowResults(
@@ -100,10 +99,10 @@ class HostScanBloc extends Bloc<HostScanEvent, HostScanState> {
   ) async {
     emit(const HostScanState.loadInProgress());
 
-    final Set<Device> devicesSet = {};
     final deviceStream = await getIt<DeviceScannerService>().getOnGoingScan();
     deviceStream.listen((devices) {
       devicesSet.addAll(devices);
+      emit(const HostScanState.loadInProgress());
       emit(HostScanState.foundNewDevice(devicesSet));
     });
 

pubspec.lock

@@ -995,10 +995,10 @@ packages:
     dependency: "direct main"
     description:
       name: shared_preferences
-      sha256: "746e5369a43170c25816cc472ee016d3a66bc13fcf430c0bc41ad7b4b2922051"
+      sha256: "95f9997ca1fb9799d494d0cb2a780fd7be075818d59f00c43832ed112b158a82"
       url: "https://pub.dev"
     source: hosted
-    version: "2.3.2"
+    version: "2.3.3"
   shared_preferences_android:
     dependency: transitive
     description:
@@ -1224,10 +1224,10 @@ packages:
     dependency: transitive
     description:
       name: url_launcher_linux
-      sha256: e2b9622b4007f97f504cd64c0128309dfb978ae66adbe944125ed9e1750f06af
+      sha256: "4e9ba368772369e3e08f231d2301b4ef72b9ff87c31192ef471b380ef29a4935"
       url: "https://pub.dev"
     source: hosted
-    version: "3.2.0"
+    version: "3.2.1"
   url_launcher_macos:
     dependency: transitive
     description: