feat: add receiver, discovery and settings

.gitignore

@@ -1,3 +1,7 @@
+*.g.dart
+*.gen.dart
+*.freezed.dart
+
 # Miscellaneous
 *.class
 *.log

analysis_options.yaml

@@ -10,20 +10,6 @@
 include: package:flutter_lints/flutter.yaml
 
 linter:
-  # The lint rules applied to this project can be customized in the
-  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
-  # included above or to enable additional rules. A list of all available lints
-  # and their documentation is published at
-  # https://dart-lang.github.io/linter/lints/index.html.
-  #
-  # Instead of disabling a lint rule for the entire project in the
-  # section below, it can also be suppressed for a single line of code
-  # or a specific dart file by using the `// ignore: name_of_lint` and
-  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
-  # producing the lint.
   rules:
-    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
-    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
-
-# Additional information about this file can be found at
-# https://dart.dev/guides/language/analysis-options
+    avoid_print: false
+    use_key_in_widget_constructors: false

assets/i18n/strings.i18n.json

@@ -0,0 +1,30 @@
+{
+  "appName": "LocalSend",
+  "general": {
+    "advanced": "Advanced",
+    "hide": "Hide",
+    "unknown": "Unknown"
+  },
+  "receive": {
+    "title": "Receive",
+    "advanced": {
+      "ip": "IP:",
+      "server": "Server:",
+      "subnetMask": "Subnet mask:",
+      "alias": "Alias:"
+    }
+  },
+  "send": {
+    "title": "Send"
+  },
+  "settings": {
+    "title": "Settings",
+    "alias": "Alias",
+    "theme": "Theme",
+    "themeOptions": {
+      "system": "System",
+      "dark": "Dark",
+      "light": "Light"
+    }
+  }
+}

build.yaml

@@ -0,0 +1,10 @@
+targets:
+  $default:
+    builders:
+      slang_build_runner:
+        options:
+          base_locale: en
+          fallback_strategy: base_locale
+          input_directory: assets/i18n
+          input_file_pattern: .i18n.json
+          output_directory: lib/gen

ios/Runner/Info.plist

@@ -47,5 +47,9 @@
 	<true/>
 	<key>UIApplicationSupportsIndirectInputEvents</key>
 	<true/>
+	<key>CFBundleLocalizations</key>
+    <array>
+       <string>en</string>
+    </array>
 </dict>
 </plist>

lib/main.dart

@@ -1,118 +1,44 @@
-import 'package:dio/dio.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:localsend_app/constants.dart';
-import 'package:localsend_app/service/receiver_service.dart';
-import 'package:network_info_plus/network_info_plus.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:localsend_app/gen/strings.g.dart';
+import 'package:localsend_app/pages/home_page.dart';
+import 'package:localsend_app/provider/settings_provider.dart';
+import 'package:localsend_app/service/persistence_service.dart';
+import 'package:localsend_app/theme.dart';
+import 'package:window_manager/window_manager.dart';
 
-void main() {
-  runApp(const MyApp());
+Future<void> main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  LocaleSettings.useDeviceLocale();
+
+  if (!kIsWeb && defaultTargetPlatform == TargetPlatform.windows) {
+    await windowManager.ensureInitialized();
+    WindowManager.instance.setMinimumSize(const Size(400, 500));
+  }
+
+  final persistenceService = await PersistenceService.initialize();
+  runApp(ProviderScope(
+    overrides: [
+      settingsProvider.overrideWith((ref) => SettingsNotifier(persistenceService)),
+    ],
+    child: const LocalSendApp(),
+  ));
 }
 
-class MyApp extends StatelessWidget {
-  const MyApp({super.key});
+class LocalSendApp extends ConsumerWidget {
+  const LocalSendApp();
 
-  // This widget is the root of your application.
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context, WidgetRef ref) {
+    final themeMode = ref.watch(settingsProvider.select((settings) => settings.theme));
     return MaterialApp(
-      title: 'Flutter Demo',
-      theme: ThemeData(
-        primarySwatch: Colors.blue,
-      ),
+      title: t.appName,
+      debugShowCheckedModeBanner: false,
+      theme: getTheme(Brightness.light),
+      darkTheme: getTheme(Brightness.dark),
+      themeMode: themeMode,
       home: const HomePage(),
     );
   }
 }
-
-class HomePage extends StatefulWidget {
-  const HomePage();
-
-  @override
-  State<HomePage> createState() => _HomePageState();
-}
-
-class _HomePageState extends State<HomePage> {
-  final _receiver = ReceiverService();
-  String? _ip;
-  String? _mask;
-
-  String _targetIp = '';
-  String? _response;
-
-  @override
-  void initState() {
-    super.initState();
-    _init();
-  }
-
-  Future<void> _init() async {
-    final info = NetworkInfo();
-    _ip = await info.getWifiIP();
-    _mask = await info.getWifiSubmask();
-    setState(() {});
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      body: SafeArea(
-        child: ListView(
-          padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 30),
-          children: [
-            Text('IP: $_ip'),
-            Text('Mask: $_mask'),
-            Text('Status: ${_receiver.running}'),
-            const SizedBox(height: 20),
-            Row(
-              mainAxisAlignment: MainAxisAlignment.center,
-              children: [
-                ElevatedButton(
-                  onPressed: () async {
-                    await _receiver.start();
-                    setState(() {});
-                  },
-                  child: const Text('Start'),
-                ),
-                const SizedBox(width: 20),
-                ElevatedButton(
-                  onPressed: () async {
-                    await _receiver.stop();
-                    setState(() {});
-                  },
-                  child: const Text('Stop'),
-                ),
-              ],
-            ),
-            const SizedBox(height: 20),
-            TextField(
-              onChanged: (s) {
-                setState(() {
-                  _targetIp = s;
-                });
-              },
-            ),
-            const SizedBox(height: 20),
-            ElevatedButton(
-              onPressed: () async {
-                try {
-                  final response = await Dio().get('http://$_targetIp:${Constants.defaultPort}/hello');
-                  setState(() {
-                    _response = response.data.toString();
-                  });
-                } catch (e) {
-                  print(e);
-                  setState(() {
-                    _response = e.toString();
-                  });
-                }
-              },
-              child: const Text('Ping'),
-            ),
-            const SizedBox(height: 20),
-            Text('Response: $_response'),
-          ],
-        ),
-      ),
-    );
-  }
-}

lib/model/device.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'device.freezed.dart';
+part 'device.g.dart';
+
+enum DeviceType {
+  mobile(Icons.smartphone),
+  desktop(Icons.computer),
+  web(Icons.language);
+
+  const DeviceType(this.icon);
+
+  final IconData icon;
+}
+
+@freezed
+class Device with _$Device {
+  const factory Device({
+    required String ip,
+    required String alias,
+    required String? deviceModel,
+    required DeviceType deviceType,
+  }) = _Device;
+
+  factory Device.fromJson(Map<String, Object?> json) => _$DeviceFromJson(json);
+}

lib/model/dto/info_dto.dart

@@ -0,0 +1,16 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:localsend_app/model/device.dart';
+
+part 'info_dto.freezed.dart';
+part 'info_dto.g.dart';
+
+@freezed
+class InfoDto with _$InfoDto {
+  const factory InfoDto({
+    required String alias,
+    required String? deviceModel,
+    required DeviceType deviceType,
+  }) = _InfoDto;
+
+  factory InfoDto.fromJson(Map<String, Object?> json) => _$InfoDtoFromJson(json);
+}

lib/model/network_info.dart

@@ -0,0 +1,11 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'network_info.freezed.dart';
+
+@freezed
+class NetworkInfo with _$NetworkInfo {
+  const factory NetworkInfo({
+    required String? localIp,
+    required String? netMask,
+  }) = _NetworkInfo;
+}

lib/model/settings.dart

@@ -0,0 +1,12 @@
+import 'package:flutter/material.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'settings.freezed.dart';
+
+@freezed
+class Settings with _$Settings {
+  const factory Settings({
+    required String alias,
+    required ThemeMode theme,
+  }) = _Settings;
+}

lib/pages/home_page.dart

@@ -0,0 +1,64 @@
+import 'package:flutter/material.dart';
+import 'package:localsend_app/gen/strings.g.dart';
+import 'package:localsend_app/pages/tabs/receive_page.dart';
+import 'package:localsend_app/pages/tabs/send_page.dart';
+import 'package:localsend_app/pages/tabs/settings_page.dart';
+
+enum _Tab {
+  receive(Icons.wifi),
+  send(Icons.send),
+  settings(Icons.settings);
+
+  const _Tab(this.icon);
+
+  final IconData icon;
+
+  String get label {
+    switch (this) {
+      case _Tab.receive:
+        return t.receive.title;
+      case _Tab.send:
+        return t.send.title;
+      case _Tab.settings:
+        return t.settings.title;
+    }
+  }
+}
+
+class HomePage extends StatefulWidget {
+  const HomePage({Key? key}) : super(key: key);
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  _Tab _currentTab = _Tab.receive;
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: SafeArea(
+        child: IndexedStack(
+          index: _currentTab.index,
+          children: const [
+            ReceivePage(),
+            SendPage(),
+            SettingsPage(),
+          ],
+        ),
+      ),
+      bottomNavigationBar: NavigationBar(
+        selectedIndex: _currentTab.index,
+        onDestinationSelected: (index) {
+          setState(() {
+            _currentTab = _Tab.values[index];
+          });
+        },
+        destinations: _Tab.values.map((tab) {
+          return NavigationDestination(icon: Icon(tab.icon), label: tab.label);
+        }).toList(),
+      ),
+    );
+  }
+}

lib/pages/tabs/receive_page.dart

@@ -0,0 +1,118 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:localsend_app/constants.dart';
+import 'package:localsend_app/gen/assets.gen.dart';
+import 'package:localsend_app/gen/strings.g.dart';
+import 'package:localsend_app/provider/network_info_provider.dart';
+import 'package:localsend_app/provider/receiver_provider.dart';
+import 'package:localsend_app/provider/settings_provider.dart';
+import 'package:localsend_app/util/ip_helper.dart';
+import 'package:localsend_app/widget/rotating_widget.dart';
+
+class ReceivePage extends ConsumerStatefulWidget {
+  const ReceivePage({Key? key}) : super(key: key);
+
+  @override
+  ConsumerState<ReceivePage> createState() => _ReceivePageState();
+}
+
+class _ReceivePageState extends ConsumerState<ReceivePage> {
+  bool _advanced = false;
+
+  @override
+  void initState() {
+    super.initState();
+
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      ref.read(receiverProvider.notifier).startServer();
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final settings = ref.watch(settingsProvider);
+    final networkInfo = ref.watch(networkInfoProvider);
+    return Padding(
+      padding: const EdgeInsets.symmetric(horizontal: 20),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          Expanded(
+            child: FittedBox(
+              fit: BoxFit.scaleDown,
+              child: Center(
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    RotatingWidget(
+                      duration: const Duration(seconds: 10),
+                      child: Assets.img.logo512.image(width: 200),
+                    ),
+                    Text(networkInfo?.localIp?.visualId ?? t.general.unknown, style: const TextStyle(fontSize: 48)),
+                    Text(settings.alias, style: const TextStyle(fontSize: 24)),
+                  ],
+                ),
+              ),
+            ),
+          ),
+          Center(
+            child: TextButton(
+              onPressed: () {
+                setState(() => _advanced = !_advanced);
+              },
+              child: Text(_advanced ? t.general.hide : t.general.advanced),
+            ),
+          ),
+          AnimatedCrossFade(
+            crossFadeState: _advanced ? CrossFadeState.showSecond : CrossFadeState.showFirst,
+            duration: const Duration(milliseconds: 200),
+            firstChild: Container(),
+            secondChild: Card(
+              child: Padding(
+                padding: const EdgeInsets.all(15),
+                child: Table(
+                  columnWidths: const {
+                    0: IntrinsicColumnWidth(),
+                    1: IntrinsicColumnWidth(),
+                    2: FlexColumnWidth(),
+                  },
+                  children: [
+                    TableRow(
+                      children: [
+                        Text(t.receive.advanced.alias),
+                        const SizedBox(width: 10),
+                        Text(settings.alias),
+                      ],
+                    ),
+                    TableRow(
+                      children: [
+                        Text(t.receive.advanced.ip),
+                        const SizedBox(width: 10),
+                        Text(networkInfo?.localIp ?? t.general.unknown),
+                      ],
+                    ),
+                    TableRow(
+                      children: [
+                        Text(t.receive.advanced.server),
+                        const SizedBox(width: 10),
+                        Text(networkInfo?.localIp == null ? t.general.unknown : '${networkInfo!.localIp}:${Constants.defaultPort}/localsend'),
+                      ],
+                    ),
+                    TableRow(
+                      children: [
+                        Text(t.receive.advanced.subnetMask),
+                        const SizedBox(width: 10),
+                        Text(networkInfo?.netMask ?? t.general.unknown),
+                      ],
+                    ),
+                  ],
+                ),
+              ),
+            ),
+          ),
+          const SizedBox(height: 15),
+        ],
+      ),
+    );
+  }
+}

lib/pages/tabs/send_page.dart

@@ -0,0 +1,53 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:localsend_app/provider/nearby_devices_provider.dart';
+import 'package:localsend_app/widget/device_widget.dart';
+
+class SendPage extends ConsumerStatefulWidget {
+  const SendPage({Key? key}) : super(key: key);
+
+  @override
+  ConsumerState<SendPage> createState() => _SendPageState();
+}
+
+class _SendPageState extends ConsumerState<SendPage> {
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final devices = ref.watch(nearbyDevicesProvider);
+    return ListView(
+      padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 30),
+      children: [
+        ...devices.when(
+          data: (data) {
+            return data.map((device) {
+              return Padding(
+                padding: const EdgeInsets.only(bottom: 10),
+                child: DeviceWidget(device: device),
+              );
+            });
+          },
+          error: (e, st) {
+            return [
+              Center(
+                child: Text(e.toString()),
+              ),
+            ];
+          },
+          loading: () {
+            return [
+              const Center(
+                child: CircularProgressIndicator(),
+              ),
+            ];
+          },
+        ),
+      ],
+    );
+  }
+}

lib/pages/tabs/settings_page.dart

@@ -0,0 +1,84 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:localsend_app/gen/strings.g.dart';
+import 'package:localsend_app/provider/settings_provider.dart';
+
+class SettingsPage extends ConsumerStatefulWidget {
+  const SettingsPage({Key? key}) : super(key: key);
+
+  @override
+  ConsumerState<SettingsPage> createState() => _SettingsPageState();
+}
+
+class _SettingsPageState extends ConsumerState<SettingsPage> {
+  @override
+  Widget build(BuildContext context) {
+    final settings = ref.watch(settingsProvider);
+    return ListView(
+      padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 30),
+      children: [
+        _SettingsEntry(
+          label: t.settings.alias,
+          child: SizedBox(
+            width: 200,
+            child: TextField(
+              onChanged: (s) {},
+            ),
+          ),
+        ),
+        _SettingsEntry(
+          label: t.settings.theme,
+          child: DropdownButton<ThemeMode>(
+            value: settings.theme,
+            items: ThemeMode.values.map((theme) {
+              return DropdownMenuItem(
+                value: theme,
+                child: Text(theme.humanName),
+              );
+            }).toList(),
+            onChanged: (theme) {
+              if (theme != null) {
+                ref.read(settingsProvider.notifier).setTheme(theme);
+              }
+            },
+          ),
+        ),
+      ],
+    );
+  }
+}
+
+class _SettingsEntry extends StatelessWidget {
+  final String label;
+  final Widget child;
+
+  const _SettingsEntry({required this.label, required this.child});
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.only(bottom: 20),
+      child: Row(
+        children: [
+          Expanded(
+            child: Text(label),
+          ),
+          child,
+        ],
+      ),
+    );
+  }
+}
+
+extension on ThemeMode {
+  String get humanName {
+    switch (this) {
+      case ThemeMode.system:
+        return t.settings.themeOptions.system;
+      case ThemeMode.light:
+        return t.settings.themeOptions.light;
+      case ThemeMode.dark:
+        return t.settings.themeOptions.dark;
+    }
+  }
+}

lib/provider/nearby_devices_provider.dart

@@ -0,0 +1,15 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:localsend_app/model/device.dart';
+import 'package:localsend_app/provider/network_info_provider.dart';
+import 'package:localsend_app/service/polling_service.dart';
+
+final nearbyDevicesProvider = StreamProvider.autoDispose<List<Device>>((ref) {
+  final networkInfo = ref.watch(networkInfoProvider)!;
+  final localIp = networkInfo.localIp;
+
+  if (localIp == null) {
+    return Stream.value([]);
+  }
+
+  return PollingService(localIp.split('.').take(3).join('.')).startPolling();
+});

lib/provider/network_info_provider.dart

@@ -0,0 +1,27 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:localsend_app/model/network_info.dart';
+import 'package:network_info_plus/network_info_plus.dart' as plugin;
+
+final networkInfoProvider = StateNotifierProvider<NetworkInfoNotifier, NetworkInfo?>((ref) => NetworkInfoNotifier());
+
+class NetworkInfoNotifier extends StateNotifier<NetworkInfo?> {
+  NetworkInfoNotifier() : super(null) {
+    _init();
+  }
+
+  Future<void> _init() async {
+    final info = plugin.NetworkInfo();
+    String? ip;
+    String? mask;
+    try {
+      ip = await info.getWifiIP();
+      mask = await info.getWifiSubmask();
+    } catch (e) {
+      print(e);
+    }
+    state = NetworkInfo(
+      localIp: ip,
+      netMask: mask,
+    );
+  }
+}

lib/provider/receiver_provider.dart

@@ -0,0 +1,56 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:localsend_app/constants.dart';
+import 'package:localsend_app/model/dto/info_dto.dart';
+import 'package:localsend_app/provider/settings_provider.dart';
+import 'package:localsend_app/util/device_info_helper.dart';
+import 'package:shelf/shelf.dart';
+import 'package:shelf/shelf_io.dart';
+import 'package:shelf_router/shelf_router.dart';
+
+final receiverProvider = StateNotifierProvider((ref) {
+  final alias = ref.watch(settingsProvider.select((settings) => settings.alias));
+  return ReceiverNotifier(alias);
+});
+
+class ReceiverNotifier extends StateNotifier<HttpServer?> {
+  final String alias;
+
+  ReceiverNotifier(this.alias) : super(null);
+
+  Future<void> startServer() async {
+    if (state != null) {
+      print('Server already running.');
+      return;
+    }
+
+    final app = Router();
+
+    final deviceInfo = await getDeviceInfo();
+    app.get('/localsend/v1/info', (Request request) {
+      final dto = InfoDto(
+        alias: alias,
+        deviceModel: deviceInfo.deviceModel,
+        deviceType: deviceInfo.deviceType,
+      );
+      return Response.ok(jsonEncode(dto.toJson()), headers: {'Content-Type': 'application/json'});
+    });
+
+    app.get('/user/<user>', (Request request, String user) {
+      return Response.ok('hello $user');
+    });
+
+    print('Starting server...');
+    state = await serve(app, '0.0.0.0', Constants.defaultPort);
+    print('Server started. (Port: ${state?.port})');
+  }
+
+  Future<void> stop() async {
+    await state?.close(force: true);
+    state = null;
+    print('Server stopped.');
+  }
+}
+

lib/provider/settings_provider.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:localsend_app/model/settings.dart';
+import 'package:localsend_app/service/persistence_service.dart';
+
+final settingsProvider = StateNotifierProvider<SettingsNotifier, Settings>((ref) {
+  throw Exception('settingsProvider not initialized');
+});
+
+class SettingsNotifier extends StateNotifier<Settings> {
+  final PersistenceService _service;
+
+  SettingsNotifier(this._service) : super(_loadFromPersistence(_service));
+
+  static Settings _loadFromPersistence(PersistenceService service) {
+    return Settings(
+      alias: service.getAlias(),
+      theme: service.getTheme(),
+    );
+  }
+
+  Future<void> setAlias(String alias) async {
+    await _service.setAlias(alias);
+    state = state.copyWith(
+      alias: alias,
+    );
+  }
+
+  Future<void> setTheme(ThemeMode theme) async {
+    await _service.setTheme(theme);
+    state = state.copyWith(
+      theme: theme,
+    );
+  }
+}

lib/service/persistence_service.dart

@@ -0,0 +1,48 @@
+import 'package:collection/collection.dart';
+import 'package:flutter/material.dart';
+import 'package:localsend_app/util/alias_generator.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+const _aliasKey = 'alias';
+const _themeKey = 'theme';
+
+/// This service abstracts the persistence layer.
+class PersistenceService {
+  final SharedPreferences _prefs;
+
+  PersistenceService._(this._prefs);
+
+  static Future<PersistenceService> initialize() async {
+    final prefs = await SharedPreferences.getInstance();
+
+    if (prefs.getString(_aliasKey) == null) {
+      await prefs.setString(_aliasKey, generateRandomAlias());
+    }
+
+    if (prefs.getString(_themeKey) == null) {
+      await prefs.setString(_themeKey, ThemeMode.system.name);
+    }
+
+    return PersistenceService._(prefs);
+  }
+
+  String getAlias() {
+    return _prefs.getString(_aliasKey) ?? generateRandomAlias();
+  }
+
+  Future<void> setAlias(String alias) async {
+    await _prefs.setString(_aliasKey, alias);
+  }
+
+  ThemeMode getTheme() {
+    final value = _prefs.getString(_themeKey);
+    if (value == null) {
+      return ThemeMode.system;
+    }
+    return ThemeMode.values.firstWhereOrNull((theme) => theme.name == value) ?? ThemeMode.system;
+  }
+
+  Future<void> setTheme(ThemeMode theme) async {
+    await _prefs.setString(_themeKey, theme.name);
+  }
+}

lib/service/polling_service.dart

@@ -0,0 +1,96 @@
+import 'package:dio/dio.dart';
+import 'package:localsend_app/constants.dart';
+import 'package:localsend_app/model/device.dart';
+import 'package:localsend_app/model/dto/info_dto.dart';
+import 'package:localsend_app/util/sleep.dart';
+import 'package:localsend_app/util/task_runner.dart';
+
+final _dio = Dio(
+  BaseOptions(
+    connectTimeout: 2000,
+    sendTimeout: 2000,
+  ),
+);
+
+const _concurrentRequests = 50;
+
+class PollingService {
+  final List<String> _possibleIps;
+  int _requestCount = 0;
+  bool _running = false;
+
+  PollingService(String ipPrefix) : _possibleIps = List.generate(256, (i) => '$ipPrefix.$i');
+
+  Stream<List<Device>> startPolling() async* {
+    if (_running) {
+      print('Already running poll.');
+      return;
+    }
+    _running = true;
+    final deviceMap = <String, Device>{}; // ip -> device
+    final runner = TaskRunner<int, _RunnerResult>(
+      task: _doRequest,
+      maxConcurrentTasks: _concurrentRequests,
+    );
+
+    runner.addAll(List.generate(_concurrentRequests, (i) => i));
+
+    await for (final result in runner.stream) {
+      final device = result.device;
+      if (device != null) {
+        deviceMap[device.ip] = device;
+        yield deviceMap.values.toList();
+      }
+
+      if (_requestCount >= 1024) {
+        _running = false;
+      }
+      if (_running) {
+        _requestCount++;
+        // print('#$_requestCount');
+        runner.add((result.index + _concurrentRequests) % 256);
+      }
+    }
+  }
+
+  Future<_RunnerResult> _doRequest(int index) async {
+    if (_requestCount > 512) {
+      await sleepAsync(2000);
+    } else if (_requestCount > 256) {
+      await sleepAsync(1000);
+    }
+
+    final String currentIp = _possibleIps[index];
+    // print('Requesting $currentIp');
+    final url = 'http://$currentIp:${Constants.defaultPort}/localsend/v1/info';
+    Device? device;
+    try {
+      final response = await _dio.get(url);
+      final dto = InfoDto.fromJson(response.data);
+      device = Device(
+        ip: currentIp,
+        alias: dto.alias,
+        deviceModel: dto.deviceModel,
+        deviceType: dto.deviceType,
+      );
+    } on DioError catch (e) {
+      device = null;
+      // print('$url: ${e.error}');
+    } catch (e) {
+      device = null;
+      // print(e);
+    }
+    return _RunnerResult(index, device);
+  }
+
+  void cancel() {
+    _running = true;
+  }
+}
+
+class _RunnerResult {
+  final int index;
+  final Device? device;
+
+  _RunnerResult(this.index, this.device);
+}

lib/service/receiver_service.dart

@@ -1,41 +0,0 @@
-import 'dart:io';
-
-import 'package:localsend_app/constants.dart';
-import 'package:shelf/shelf.dart';
-import 'package:shelf/shelf_io.dart' as io;
-import 'package:shelf_router/shelf_router.dart';
-
-class ReceiverService {
-  HttpServer? _server;
-
-  ReceiverService();
-
-  Future<void> start() async {
-    if (_server != null) {
-      print('Server already running.');
-      return;
-    }
-
-    final app = Router();
-
-    app.get('/hello', (Request request) {
-      return Response.ok('hello-world');
-    });
-
-    app.get('/user/<user>', (Request request, String user) {
-      return Response.ok('hello $user');
-    });
-
-    print('Starting server...');
-    _server = await io.serve(app, '0.0.0.0', Constants.defaultPort);
-    print('Server started. (Port: ${_server?.port})');
-  }
-
-  Future<void> stop() async {
-    await _server?.close(force: true);
-    _server = null;
-    print('Server stopped.');
-  }
-
-  bool get running => _server != null;
-}

lib/theme.dart

@@ -0,0 +1,9 @@
+import 'package:flutter/material.dart';
+
+ThemeData getTheme(Brightness brightness) {
+  return ThemeData(
+    brightness: brightness,
+    primarySwatch: Colors.teal,
+    useMaterial3: true,
+  );
+}

lib/util/alias_generator.dart

@@ -0,0 +1,11 @@
+
+import 'dart:math';
+
+const _adj = ['Fast', 'Slow', 'Big', 'Small', 'Good', 'Bad'];
+
+const _fruit = ['Apple', 'Banana', 'Cherry', 'Coconut', 'Lemon', 'Orange'];
+
+String generateRandomAlias() {
+  final random = Random();
+  return '${_adj[random.nextInt(_adj.length)]} ${_fruit[random.nextInt(_adj.length)]}';
+}

lib/util/device_info_helper.dart

@@ -0,0 +1,86 @@
+import 'package:device_info_plus/device_info_plus.dart';
+import 'package:flutter/foundation.dart';
+import 'package:localsend_app/model/device.dart';
+import 'package:slang/builder/model/enums.dart';
+import 'package:slang/builder/utils/string_extensions.dart';
+
+class DeviceInfoResult {
+  final DeviceType deviceType;
+  final String? deviceModel;
+
+  DeviceInfoResult(this.deviceType, this.deviceModel);
+}
+
+Future<DeviceInfoResult> getDeviceInfo() async {
+  final plugin = DeviceInfoPlugin();
+  final DeviceType deviceType;
+  final String? deviceModel;
+
+  if (kIsWeb) {
+    deviceType = DeviceType.web;
+    final deviceInfo = await plugin.webBrowserInfo;
+    deviceModel = deviceInfo.browserName.humanName;
+  } else {
+    switch (defaultTargetPlatform) {
+      case TargetPlatform.android:
+      case TargetPlatform.iOS:
+        deviceType = DeviceType.mobile;
+        break;
+      case TargetPlatform.linux:
+      case TargetPlatform.macOS:
+      case TargetPlatform.windows:
+      case TargetPlatform.fuchsia:
+        deviceType = DeviceType.desktop;
+        break;
+    }
+
+    switch (defaultTargetPlatform) {
+      case TargetPlatform.android:
+        final deviceInfo = await plugin.androidInfo;
+        deviceModel = deviceInfo.brand.toCase(CaseStyle.pascal);
+        break;
+      case TargetPlatform.iOS:
+        final deviceInfo = await plugin.iosInfo;
+        deviceModel = deviceInfo.localizedModel;
+        break;
+      case TargetPlatform.linux:
+        final info = await plugin.linuxInfo;
+        deviceModel = info.name;
+        break;
+      case TargetPlatform.macOS:
+        deviceModel = 'MacOS';
+        break;
+      case TargetPlatform.windows:
+        deviceModel = 'Windows';
+        break;
+      case TargetPlatform.fuchsia:
+        deviceModel = 'Fuchsia';
+        break;
+    }
+  }
+
+  return DeviceInfoResult(deviceType, deviceModel);
+}
+
+extension on BrowserName {
+  String? get humanName {
+    switch (this) {
+      case BrowserName.firefox:
+        return 'Firefox';
+      case BrowserName.samsungInternet:
+        return 'Samsung Internet';
+      case BrowserName.opera:
+        return 'Opera';
+      case BrowserName.msie:
+        return 'Internet Explorer';
+      case BrowserName.edge:
+        return 'Microsoft Edge';
+      case BrowserName.chrome:
+        return 'Google Chrome';
+      case BrowserName.safari:
+        return 'Safari';
+      case BrowserName.unknown:
+        return null;
+    }
+  }
+}

lib/util/ip_helper.dart

@@ -0,0 +1,3 @@
+extension StringIpExt on String {
+  String get visualId => split('.').last;
+}

lib/util/sleep.dart

@@ -0,0 +1,3 @@
+Future<void> sleepAsync(int millis) {
+  return Future.delayed(Duration(milliseconds: millis), () {});
+}

lib/util/task_runner.dart

@@ -0,0 +1,49 @@
+import 'dart:async';
+import 'dart:collection';
+
+// https://stackoverflow.com/questions/62878704/how-to-implement-an-async-task-queue-with-multiple-concurrent-workers-async-in
+class TaskRunner<A, B> {
+  final Queue<A> _input = Queue();
+  final StreamController<B> _streamController = StreamController();
+  final Future<B> Function(A) task;
+
+  final int maxConcurrentTasks;
+  int runningTasks = 0;
+
+  TaskRunner({
+    required this.task,
+    required this.maxConcurrentTasks,
+  });
+
+  Stream<B> get stream => _streamController.stream;
+
+  void add(A value) {
+    _input.add(value);
+    _startExecution();
+  }
+
+  void addAll(Iterable<A> iterable) {
+    _input.addAll(iterable);
+    _startExecution();
+  }
+
+  void _startExecution() {
+    if (runningTasks == maxConcurrentTasks || _input.isEmpty) {
+      return;
+    }
+
+    while (_input.isNotEmpty && runningTasks < maxConcurrentTasks) {
+      runningTasks++;
+
+      task(_input.removeFirst()).then((value) async {
+        _streamController.add(value);
+
+        while (_input.isNotEmpty) {
+          _streamController.add(await task(_input.removeFirst()));
+        }
+
+        runningTasks--;
+      });
+    }
+  }
+}

lib/widget/device_widget.dart

@@ -0,0 +1,65 @@
+import 'package:flutter/material.dart';
+import 'package:localsend_app/model/device.dart';
+import 'package:localsend_app/util/ip_helper.dart';
+
+class DeviceWidget extends StatelessWidget {
+  final Device device;
+
+  const DeviceWidget({required this.device});
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      child: Padding(
+        padding: const EdgeInsets.all(15),
+        child: Row(
+          children: [
+            Icon(device.deviceType.icon, size: 46),
+            const SizedBox(width: 15),
+            Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(device.alias, style: const TextStyle(fontSize: 20)),
+                const SizedBox(height: 5),
+                Wrap(
+                  runSpacing: 10,
+                  spacing: 10,
+                  children: [
+                    _Badge(
+                      color: Theme.of(context).colorScheme.tertiaryContainer,
+                      label: '#${device.ip.visualId}',
+                    ),
+                    if (device.deviceModel != null)
+                      _Badge(
+                        color: Theme.of(context).colorScheme.tertiaryContainer,
+                        label: device.deviceModel!,
+                      ),
+                  ],
+                ),
+              ],
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _Badge extends StatelessWidget {
+  final Color color;
+  final String label;
+
+  const _Badge({required this.color, required this.label});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 8),
+      decoration: BoxDecoration(
+        color: color,
+        borderRadius: BorderRadius.circular(5),
+      ),
+      child: Text(label, style: TextStyle(color: Theme.of(context).colorScheme.onInverseSurface)),
+    );
+  }
+}

lib/widget/rotating_widget.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+
+class RotatingWidget extends StatefulWidget {
+  final Duration duration;
+  final Widget child;
+
+  const RotatingWidget({required this.duration, required this.child, super.key});
+
+  @override
+  State<RotatingWidget> createState() => _RotatingWidgetState();
+}
+
+class _RotatingWidgetState extends State<RotatingWidget> with TickerProviderStateMixin{
+
+  late final AnimationController _controller = AnimationController(
+    duration: widget.duration,
+    vsync: this,
+  )..repeat();
+
+  late final Animation<double> _animation = CurvedAnimation(
+    parent: _controller,
+    curve: Curves.linear,
+  );
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return RotationTransition(
+      turns: _animation,
+      child: widget.child,
+    );
+  }
+}

linux/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,14 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <screen_retriever/screen_retriever_plugin.h>
+#include <window_manager/window_manager_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) screen_retriever_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "ScreenRetrieverPlugin");
+  screen_retriever_plugin_register_with_registrar(screen_retriever_registrar);
+  g_autoptr(FlPluginRegistrar) window_manager_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "WindowManagerPlugin");
+  window_manager_plugin_register_with_registrar(window_manager_registrar);
 }

linux/flutter/generated_plugins.cmake

@@ -3,6 +3,8 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  screen_retriever
+  window_manager
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,8 +5,16 @@
 import FlutterMacOS
 import Foundation
 
+import device_info_plus
 import network_info_plus
+import screen_retriever
+import shared_preferences_macos
+import window_manager
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  DeviceInfoPlusMacosPlugin.register(with: registry.registrar(forPlugin: "DeviceInfoPlusMacosPlugin"))
   NetworkInfoPlusPlugin.register(with: registry.registrar(forPlugin: "NetworkInfoPlusPlugin"))
+  ScreenRetrieverPlugin.register(with: registry.registrar(forPlugin: "ScreenRetrieverPlugin"))
+  SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
+  WindowManagerPlugin.register(with: registry.registrar(forPlugin: "WindowManagerPlugin"))
 }

pubspec.lock

@@ -1,6 +1,20 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "50.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.2.0"
   args:
     dependency: transitive
     description:
@@ -15,6 +29,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.9.0"
+  build:
+    dependency: transitive
+    description:
+      name: build
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.1"
+  build_config:
+    dependency: transitive
+    description:
+      name: build_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  build_daemon:
+    dependency: transitive
+    description:
+      name: build_daemon
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
+  build_resolvers:
+    dependency: transitive
+    description:
+      name: build_resolvers
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  build_runner:
+    dependency: "direct dev"
+    description:
+      name: build_runner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.3"
+  build_runner_core:
+    dependency: transitive
+    description:
+      name: build_runner_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "7.2.7"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "8.4.2"
   characters:
     dependency: transitive
     description:
@@ -22,13 +92,76 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.1"
-  collection:
+  checked_yaml:
     dependency: transitive
+    description:
+      name: checked_yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  code_builder:
+    dependency: transitive
+    description:
+      name: code_builder
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.3.0"
+  collection:
+    dependency: "direct main"
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.16.0"
+  color:
+    dependency: transitive
+    description:
+      name: color
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.2"
+  csv:
+    dependency: transitive
+    description:
+      name: csv
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.0.1"
+  dart_style:
+    dependency: transitive
+    description:
+      name: dart_style
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.4"
+  dartx:
+    dependency: transitive
+    description:
+      name: dartx
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
   dbus:
     dependency: transitive
     description:
@@ -36,6 +169,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.7.8"
+  device_info_plus:
+    dependency: "direct main"
+    description:
+      name: device_info_plus
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "8.0.0"
+  device_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: device_info_plus_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "7.0.0"
   dio:
     dependency: "direct main"
     description:
@@ -50,11 +197,39 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.1"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.4"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   flutter:
     dependency: "direct main"
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_gen_core:
+    dependency: transitive
+    description:
+      name: flutter_gen_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.1.0+1"
+  flutter_gen_runner:
+    dependency: "direct dev"
+    description:
+      name: flutter_gen_runner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.1.0+1"
   flutter_lints:
     dependency: "direct dev"
     description:
@@ -62,11 +237,53 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.1"
+  flutter_riverpod:
+    dependency: "direct main"
+    description:
+      name: flutter_riverpod
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
   flutter_web_plugins:
     dependency: transitive
     description: flutter
     source: sdk
     version: "0.0.0"
+  freezed:
+    dependency: "direct dev"
+    description:
+      name: freezed
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.2"
+  freezed_annotation:
+    dependency: "direct main"
+    description:
+      name: freezed_annotation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.2.0"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  graphs:
+    dependency: transitive
+    description:
+      name: graphs
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
   http_methods:
     dependency: transitive
     description:
@@ -74,6 +291,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.2.1"
   http_parser:
     dependency: transitive
     description:
@@ -81,6 +305,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.0.2"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
   js:
     dependency: transitive
     description:
@@ -88,6 +319,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.6.4"
+  json2yaml:
+    dependency: transitive
+    description:
+      name: json2yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0"
+  json_annotation:
+    dependency: "direct main"
+    description:
+      name: json_annotation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.7.0"
+  json_serializable:
+    dependency: "direct dev"
+    description:
+      name: json_serializable
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.5.4"
   lints:
     dependency: transitive
     description:
@@ -95,6 +347,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.1"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.12.14"
   material_color_utilities:
     dependency: transitive
     description:
@@ -109,6 +375,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
   network_info_plus:
     dependency: "direct main"
     description:
@@ -130,6 +403,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.5.0"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   path:
     dependency: transitive
     description:
@@ -137,6 +417,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.2"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.7"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.5"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.3"
   petitparser:
     dependency: transitive
     description:
@@ -144,6 +445,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "5.1.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -151,6 +459,104 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.3"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.1"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.2.4"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.3"
+  pubspec_parse:
+    dependency: transitive
+    description:
+      name: pubspec_parse
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.1"
+  riverpod:
+    dependency: transitive
+    description:
+      name: riverpod
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  screen_retriever:
+    dependency: transitive
+    description:
+      name: screen_retriever
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.4"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.15"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.14"
+  shared_preferences_ios:
+    dependency: transitive
+    description:
+      name: shared_preferences_ios
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.2"
+  shared_preferences_macos:
+    dependency: transitive
+    description:
+      name: shared_preferences_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.4"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.4"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.2"
   shelf:
     dependency: "direct main"
     description:
@@ -165,11 +571,53 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.3"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
   sky_engine:
     dependency: transitive
     description: flutter
     source: sdk
     version: "0.0.99"
+  slang:
+    dependency: "direct main"
+    description:
+      name: slang
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.7.0"
+  slang_build_runner:
+    dependency: "direct dev"
+    description:
+      name: slang_build_runner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.7.0"
+  slang_flutter:
+    dependency: "direct main"
+    description:
+      name: slang_flutter
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.7.0"
+  source_gen:
+    dependency: transitive
+    description:
+      name: source_gen
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.6"
+  source_helper:
+    dependency: transitive
+    description:
+      name: source_helper
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.3"
   source_span:
     dependency: transitive
     description:
@@ -184,6 +632,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.10.0"
+  state_notifier:
+    dependency: transitive
+    description:
+      name: state_notifier
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.7.2+1"
   stream_channel:
     dependency: transitive
     description:
@@ -191,6 +646,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
@@ -205,6 +667,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.1"
+  time:
+    dependency: transitive
+    description:
+      name: time
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.3"
+  timing:
+    dependency: transitive
+    description:
+      name: timing
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   typed_data:
     dependency: transitive
     description:
@@ -219,6 +695,41 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.2"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.3"
+  window_manager:
+    dependency: "direct main"
+    description:
+      name: window_manager
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.8"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.0+2"
   xml:
     dependency: transitive
     description:
@@ -226,6 +737,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "6.1.0"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.1"
 sdks:
   dart: ">=2.18.5 <3.0.0"
-  flutter: ">=2.11.0"
+  flutter: ">=3.0.0"

pubspec.yaml

@@ -9,15 +9,32 @@ environment:
   sdk: '>=2.18.5 <3.0.0'
 
 dependencies:
+  collection: 1.16.0
+  device_info_plus: 8.0.0
   dio: 4.0.6
   flutter:
     sdk: flutter
   network_info_plus: 3.0.1
+  flutter_riverpod: 2.1.1
+  freezed_annotation: 2.2.0
+  json_annotation: 4.7.0
+  shared_preferences: 2.0.15
   shelf: 1.4.0
   shelf_router: 1.1.3
+  slang: 3.7.0
+  slang_flutter: 3.7.0
+  window_manager: 0.2.8
 
 dev_dependencies:
+  build_runner: 2.3.3
+  flutter_gen_runner: 5.1.0+1
   flutter_lints: 2.0.1
+  freezed: 2.3.2
+  json_serializable: 6.5.4
+  slang_build_runner: 3.7.0
 
 flutter:
   uses-material-design: true
+
+  assets:
+    - assets/img/

windows/flutter/generated_plugin_registrant.cc

@@ -7,8 +7,14 @@
 #include "generated_plugin_registrant.h"
 
 #include <network_info_plus/network_info_plus_windows_plugin.h>
+#include <screen_retriever/screen_retriever_plugin.h>
+#include <window_manager/window_manager_plugin.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
   NetworkInfoPlusWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("NetworkInfoPlusWindowsPlugin"));
+  ScreenRetrieverPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("ScreenRetrieverPlugin"));
+  WindowManagerPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("WindowManagerPlugin"));
 }

windows/flutter/generated_plugins.cmake

@@ -4,6 +4,8 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   network_info_plus
+  screen_retriever
+  window_manager
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST

windows/runner/main.cpp

@@ -27,7 +27,7 @@ int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
   FlutterWindow window(project);
   Win32Window::Point origin(10, 10);
   Win32Window::Size size(1280, 720);
-  if (!window.CreateAndShow(L"localsend_app", origin, size)) {
+  if (!window.CreateAndShow(L"LocalSend", origin, size)) {
     return EXIT_FAILURE;
   }
   window.SetQuitOnClose(true);