diff --git a/lib/logic/appsettingscubit.dart b/lib/logic/appsettingscubit.dart
new file mode 100644
index 0000000..00a0390
--- /dev/null
+++ b/lib/logic/appsettingscubit.dart
@@ -0,0 +1,35 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:equatable/equatable.dart';
+import 'package:hive/hive.dart';
+import 'package:selfprivacy/logic/config.dart';
+
+export 'package:provider/provider.dart';
+import 'package:equatable/equatable.dart';
+
+part 'appsettingsstate.dart';
+
+class AppSettingsCubit extends Cubit<AppSettingsState> {
+  AppSettingsCubit({
+    required final String key,
+  }) : super(
+          AppSettingsState(
+            key: key,
+          ),
+        );
+
+  Box box = Hive.box(BNames.appSettingsBox);
+
+  void load() {
+    final String? key = box.get(BNames.serverKey);
+    emit(
+      state.copyWith(
+        key: key,
+      ),
+    );
+  }
+
+  void updateServerKey({required final String key}) {
+    box.put(BNames.serverKey, key);
+    emit(state.copyWith(key: key));
+  }
+}
diff --git a/lib/logic/appsettingsstate.dart b/lib/logic/appsettingsstate.dart
new file mode 100644
index 0000000..052546a
--- /dev/null
+++ b/lib/logic/appsettingsstate.dart
@@ -0,0 +1,19 @@
+part of 'appsettingscubit.dart';
+
+class AppSettingsState extends Equatable {
+  const AppSettingsState({
+    required this.key,
+  });
+
+  final String key;
+
+  AppSettingsState copyWith({
+    final String? key,
+  }) =>
+      AppSettingsState(
+        key: key ?? this.key,
+      );
+
+  @override
+  List<Object> get props => [key];
+}
diff --git a/lib/logic/config.dart b/lib/logic/config.dart
new file mode 100644
index 0000000..7c3ab1c
--- /dev/null
+++ b/lib/logic/config.dart
@@ -0,0 +1,118 @@
+import 'package:get_it/get_it.dart';
+import 'dart:convert';
+import 'dart:typed_data';
+import 'package:flutter/material.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:hive_flutter/hive_flutter.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:provider/provider.dart';
+import 'package:selfprivacy/logic/appsettingscubit.dart';
+
+final GetIt getIt = GetIt.instance;
+
+Future<void> getItSetup() async {
+  getIt.registerSingleton<NavigationService>(NavigationService());
+
+  getIt.registerSingleton<TimerModel>(TimerModel());
+  getIt.registerSingleton<ApiConfigModel>(ApiConfigModel()..init());
+
+  await getIt.allReady();
+}
+
+class ApiConfigModel {
+  final Box _box = Hive.box(BNames.serverInstallationBox);
+
+  String? get serverKey => _serverKey;
+  String? _serverKey;
+
+  Future<void> storeServerProviderKey(final String value) async {
+    await _box.put(BNames.serverKey, value);
+    _serverKey = value;
+  }
+
+  void clear() {
+    _serverKey = null;
+  }
+
+  void init() {
+    _serverKey = _box.get(BNames.serverKey);
+  }
+}
+
+class HiveConfig {
+  static Future<void> init() async {
+    await Hive.initFlutter();
+
+    await Hive.openBox(BNames.appSettingsBox);
+
+    final HiveAesCipher cipher = HiveAesCipher(
+      await getEncryptedKey(BNames.serverInstallationEncryptionKey),
+    );
+
+    await Hive.openBox(BNames.serverInstallationBox, encryptionCipher: cipher);
+  }
+
+  static Future<Uint8List> getEncryptedKey(final String encKey) async {
+    const FlutterSecureStorage secureStorage = FlutterSecureStorage();
+    final bool hasEncryptionKey = await secureStorage.containsKey(key: encKey);
+    if (!hasEncryptionKey) {
+      final List<int> key = Hive.generateSecureKey();
+      await secureStorage.write(key: encKey, value: base64UrlEncode(key));
+    }
+
+    final String? string = await secureStorage.read(key: encKey);
+    return base64Url.decode(string!);
+  }
+}
+
+class BNames {
+  static String appSettingsBox = 'appSettingsBox';
+  static String serverInstallationEncryptionKey = 'key';
+  static String serverInstallationBox = 'appConfig';
+  static String rootKeys = 'rootKeys';
+  static String serverKey = 'serverKey';
+}
+
+class NavigationService {
+  final GlobalKey<ScaffoldMessengerState> scaffoldMessengerKey =
+      GlobalKey<ScaffoldMessengerState>();
+  final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();
+
+  NavigatorState? get navigator => navigatorKey.currentState;
+
+  void showPopUpDialog(final AlertDialog dialog) {
+    final BuildContext context = navigatorKey.currentState!.overlay!.context;
+
+    showDialog(
+      context: context,
+      builder: (final _) => dialog,
+    );
+  }
+}
+
+class TimerModel extends ChangeNotifier {
+  DateTime _time = DateTime.now();
+
+  DateTime get time => _time;
+
+  void restart() {
+    _time = DateTime.now();
+    notifyListeners();
+  }
+}
+
+class BlocAndProviderConfig extends StatelessWidget {
+  const BlocAndProviderConfig({super.key, this.child});
+
+  final Widget? child;
+
+  @override
+  Widget build(final BuildContext context) => MultiProvider(
+        providers: [
+          BlocProvider(
+            create: (final _) => AppSettingsCubit(key: '')..load(),
+          ),
+        ],
+        child: child,
+      );
+}
diff --git a/lib/main.dart b/lib/main.dart
index f76cc54..7dc0bbf 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1 +1,69 @@
-void main() async {}
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:selfprivacy/logic/appsettingscubit.dart';
+import 'package:selfprivacy/logic/config.dart';
+import 'package:selfprivacy/ui/root.dart';
+import 'package:wakelock/wakelock.dart';
+import 'package:timezone/data/latest.dart' as tz;
+
+class SimpleBlocObserver extends BlocObserver {
+  SimpleBlocObserver();
+}
+
+void main() async {
+  await HiveConfig.init();
+  WidgetsFlutterBinding.ensureInitialized();
+  await SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
+
+  try {
+    await Wakelock.enable();
+  } on PlatformException catch (e) {
+    print(e);
+  }
+
+  await getItSetup();
+  tz.initializeTimeZones();
+
+  BlocOverrides.runZoned(
+    () => runApp(const MyApp()),
+    blocObserver: SimpleBlocObserver(),
+  );
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({
+    super.key,
+  });
+
+  @override
+  Widget build(final BuildContext context) =>
+      AnnotatedRegion<SystemUiOverlayStyle>(
+        value: SystemUiOverlayStyle.light, // Manually changing appbar color
+        child: BlocAndProviderConfig(
+          child: BlocBuilder<AppSettingsCubit, AppSettingsState>(
+            builder: (
+              final BuildContext context,
+              final AppSettingsState appSettings,
+            ) =>
+                MaterialApp(
+              scaffoldMessengerKey:
+                  getIt.get<NavigationService>().scaffoldMessengerKey,
+              navigatorKey: getIt.get<NavigationService>().navigatorKey,
+              debugShowCheckedModeBanner: false,
+              title: 'Admin Panel',
+              home: const RootPage(),
+              builder: (final BuildContext context, final Widget? widget) {
+                Widget error = const Text('...rendering error...');
+                if (widget is Scaffold || widget is Navigator) {
+                  error = Scaffold(body: Center(child: error));
+                }
+                ErrorWidget.builder =
+                    (final FlutterErrorDetails errorDetails) => error;
+                return widget!;
+              },
+            ),
+          ),
+        ),
+      );
+}
diff --git a/lib/models/courier.dart b/lib/models/courier.dart
new file mode 100644
index 0000000..92ceead
--- /dev/null
+++ b/lib/models/courier.dart
@@ -0,0 +1,13 @@
+class Courier {
+  Courier({
+    required this.name,
+    required this.surname,
+    required this.id,
+    required this.phone,
+  });
+
+  final String name;
+  final String surname;
+  final String phone;
+  final int id;
+}
diff --git a/lib/models/item.dart b/lib/models/item.dart
new file mode 100644
index 0000000..50e47a3
--- /dev/null
+++ b/lib/models/item.dart
@@ -0,0 +1,13 @@
+class Item {
+  Item({
+    required this.title,
+    required this.description,
+    required this.id,
+    required this.price,
+  });
+
+  final String title;
+  final String description;
+  final int price;
+  final int id;
+}
diff --git a/lib/models/order.dart b/lib/models/order.dart
new file mode 100644
index 0000000..5842c81
--- /dev/null
+++ b/lib/models/order.dart
@@ -0,0 +1,30 @@
+import 'package:selfprivacy/models/item.dart';
+
+class Order {
+  Order({
+    required this.title,
+    required this.description,
+    required this.id,
+    required this.customerName,
+    required this.customerPhone,
+    required this.orderDate,
+    required this.deliveryDate,
+    required this.address,
+    required this.status,
+    required this.courierId,
+    required this.items,
+  });
+
+  final String title;
+  final String description;
+  final String customerName;
+  final String customerPhone;
+  final String orderDate;
+  final String deliveryDate;
+  final String address;
+  final String status;
+  final int id;
+  final int courierId;
+
+  final List<Item> items;
+}
diff --git a/lib/ui/brandtabbar.dart b/lib/ui/brandtabbar.dart
new file mode 100644
index 0000000..fd31857
--- /dev/null
+++ b/lib/ui/brandtabbar.dart
@@ -0,0 +1,57 @@
+import 'package:flutter/material.dart';
+
+class BrandTabBar extends StatefulWidget {
+  const BrandTabBar({super.key, this.controller});
+
+  final TabController? controller;
+  @override
+  State<BrandTabBar> createState() => _BrandTabBarState();
+}
+
+class _BrandTabBarState extends State<BrandTabBar> {
+  int? currentIndex;
+  @override
+  void initState() {
+    currentIndex = widget.controller!.index;
+    widget.controller!.addListener(_listener);
+    super.initState();
+  }
+
+  void _listener() {
+    if (currentIndex != widget.controller!.index) {
+      setState(() {
+        currentIndex = widget.controller!.index;
+      });
+    }
+  }
+
+  @override
+  void dispose() {
+    widget.controller ?? widget.controller!.removeListener(_listener);
+    super.dispose();
+  }
+
+  @override
+  Widget build(final BuildContext context) => NavigationBar(
+        destinations: [
+          _getIconButton('Товары', Icons.add_box_outlined, 0),
+          _getIconButton('Курьеры', Icons.person_pin_outlined, 1),
+          _getIconButton('Заказы', Icons.confirmation_num_outlined, 2),
+        ],
+        onDestinationSelected: (final index) {
+          widget.controller!.animateTo(index);
+        },
+        selectedIndex: currentIndex ?? 0,
+        labelBehavior: NavigationDestinationLabelBehavior.onlyShowSelected,
+      );
+
+  NavigationDestination _getIconButton(
+    final String label,
+    final IconData iconData,
+    final int index,
+  ) =>
+      NavigationDestination(
+        icon: Icon(iconData),
+        label: label,
+      );
+}
diff --git a/lib/ui/courier.dart b/lib/ui/courier.dart
new file mode 100644
index 0000000..85e8489
--- /dev/null
+++ b/lib/ui/courier.dart
@@ -0,0 +1,44 @@
+part of 'courierspage.dart';
+
+class _Courier extends StatelessWidget {
+  const _Courier({
+    required this.courier,
+  });
+
+  final Courier courier;
+
+  @override
+  Widget build(final BuildContext context) => InkWell(
+        onTap: () {
+          Navigator.of(context).push(
+            MaterialPageRoute(
+      builder: (final BuildContext context) => CourierDetails(courier),
+    );
+        },
+        child: Container(
+          padding: const EdgeInsets.symmetric(horizontal: 15),
+          height: 48,
+          child: Row(
+            children: [
+              Container(
+                width: 17,
+                height: 17,
+                decoration: const BoxDecoration(
+                  color: Color.fromRGBO(
+                    133,
+                    133,
+                    200,
+                    100,
+                  ),
+                  shape: BoxShape.circle,
+                ),
+              ),
+              const SizedBox(width: 20),
+              Flexible(
+                child: Text(courier.title),
+              ),
+            ],
+          ),
+        ),
+      );
+}
diff --git a/lib/ui/courierspage.dart b/lib/ui/courierspage.dart
new file mode 100644
index 0000000..2ff64ff
--- /dev/null
+++ b/lib/ui/courierspage.dart
@@ -0,0 +1,88 @@
+import 'package:cubit_form/cubit_form.dart';
+import 'package:flutter/material.dart';
+import 'package:selfprivacy/models/courier.dart';
+
+part 'courier.dart';
+
+class CouriersPage extends StatelessWidget {
+  const CouriersPage({super.key});
+
+  @override
+  Widget build(final BuildContext context) {
+    final Widget child = BlocBuilder<CouriersCubit, CouriersState>(
+      builder: (final BuildContext context, final CouriersState state) {
+        final List<Courier> couriers = state.couriers;
+
+        if (couriers.isEmpty) {
+          if (state.isLoading) {
+            return const Center(
+              child: CircularProgressIndicator(),
+            );
+          }
+          return RefreshIndicator(
+            onRefresh: () async {
+              context.read<CouriersCubit>().refresh();
+            },
+            child: Container(
+              padding: const EdgeInsets.symmetric(horizontal: 15),
+              child: Center(
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    ConstrainedBox(
+                      constraints: const BoxConstraints(
+                        minHeight: 40,
+                        minWidth: double.infinity,
+                      ),
+                      child: OutlinedButton(
+                        onPressed: () {
+                          context.read<CouriersCubit>().refresh();
+                        },
+                        child: Text(
+                          'Обновить',
+                          style: Theme.of(context).textTheme.button?.copyWith(
+                                color: Theme.of(context).colorScheme.primary,
+                              ),
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ),
+          );
+        }
+
+        return RefreshIndicator(
+          onRefresh: () async {
+            context.read<CouriersCubit>().refresh();
+          },
+          child: ListView.builder(
+            itemCount: couriers.length,
+            itemBuilder: (final BuildContext context, final int index) =>
+                _Courier(
+              courier: couriers[index],
+            ),
+          ),
+        );
+      },
+    );
+
+    return Scaffold(
+      appBar: PreferredSize(
+        preferredSize: const Size.fromHeight(52),
+        child: AppBar(
+          title: const Padding(
+            padding: EdgeInsets.only(top: 4.0),
+            child: Text('Товары'),
+          ),
+          leading: IconButton(
+            icon: const Icon(Icons.arrow_back),
+            onPressed: () => Navigator.of(context).pop(),
+          ),
+        ),
+      ),
+      body: child,
+    );
+  }
+}
diff --git a/lib/ui/item.dart b/lib/ui/item.dart
new file mode 100644
index 0000000..e7182fb
--- /dev/null
+++ b/lib/ui/item.dart
@@ -0,0 +1,44 @@
+part of 'itemspage.dart';
+
+class _Item extends StatelessWidget {
+  const _Item({
+    required this.item,
+  });
+
+  final Item item;
+
+  @override
+  Widget build(final BuildContext context) => InkWell(
+        onTap: () {
+          Navigator.of(context).push(
+            MaterialPageRoute(
+      builder: (final BuildContext context) => ItemDetails(item),
+    );
+        },
+        child: Container(
+          padding: const EdgeInsets.symmetric(horizontal: 15),
+          height: 48,
+          child: Row(
+            children: [
+              Container(
+                width: 17,
+                height: 17,
+                decoration: const BoxDecoration(
+                  color: Color.fromRGBO(
+                    133,
+                    200,
+                    133,
+                    100,
+                  ),
+                  shape: BoxShape.circle,
+                ),
+              ),
+              const SizedBox(width: 20),
+              Flexible(
+                child: Text(item.title),
+              ),
+            ],
+          ),
+        ),
+      );
+}
diff --git a/lib/ui/itemspage.dart b/lib/ui/itemspage.dart
new file mode 100644
index 0000000..99842a0
--- /dev/null
+++ b/lib/ui/itemspage.dart
@@ -0,0 +1,87 @@
+import 'package:cubit_form/cubit_form.dart';
+import 'package:flutter/material.dart';
+import 'package:selfprivacy/models/item.dart';
+
+part 'item.dart';
+
+class ItemsPage extends StatelessWidget {
+  const ItemsPage({super.key});
+
+  @override
+  Widget build(final BuildContext context) {
+    final Widget child = BlocBuilder<ItemsCubit, ItemsState>(
+      builder: (final BuildContext context, final ItemsState state) {
+        final List<Item> users = state.users;
+
+        if (users.isEmpty) {
+          if (state.isLoading) {
+            return const Center(
+              child: CircularProgressIndicator(),
+            );
+          }
+          return RefreshIndicator(
+            onRefresh: () async {
+              context.read<ItemsCubit>().refresh();
+            },
+            child: Container(
+              padding: const EdgeInsets.symmetric(horizontal: 15),
+              child: Center(
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    ConstrainedBox(
+                      constraints: const BoxConstraints(
+                        minHeight: 40,
+                        minWidth: double.infinity,
+                      ),
+                      child: OutlinedButton(
+                        onPressed: () {
+                          context.read<ItemsCubit>().refresh();
+                        },
+                        child: Text(
+                          'Обновить',
+                          style: Theme.of(context).textTheme.button?.copyWith(
+                                color: Theme.of(context).colorScheme.primary,
+                              ),
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ),
+          );
+        }
+
+        return RefreshIndicator(
+          onRefresh: () async {
+            context.read<ItemsCubit>().refresh();
+          },
+          child: ListView.builder(
+            itemCount: users.length,
+            itemBuilder: (final BuildContext context, final int index) => _Item(
+              item: users[index],
+            ),
+          ),
+        );
+      },
+    );
+
+    return Scaffold(
+      appBar: PreferredSize(
+        preferredSize: const Size.fromHeight(52),
+        child: AppBar(
+          title: const Padding(
+            padding: EdgeInsets.only(top: 4.0),
+            child: Text('Товары'),
+          ),
+          leading: IconButton(
+            icon: const Icon(Icons.arrow_back),
+            onPressed: () => Navigator.of(context).pop(),
+          ),
+        ),
+      ),
+      body: child,
+    );
+  }
+}
diff --git a/lib/ui/order.dart b/lib/ui/order.dart
new file mode 100644
index 0000000..ad58a03
--- /dev/null
+++ b/lib/ui/order.dart
@@ -0,0 +1,44 @@
+part of 'orderspage.dart';
+
+class _Order extends StatelessWidget {
+  const _Order({
+    required this.order,
+  });
+
+  final Order order;
+
+  @override
+  Widget build(final BuildContext context) => InkWell(
+        onTap: () {
+          Navigator.of(context).push(
+            MaterialPageRoute(
+      builder: (final BuildContext context) => OrderDetails(order),
+    );
+        },
+        child: Container(
+          padding: const EdgeInsets.symmetric(horizontal: 15),
+          height: 48,
+          child: Row(
+            children: [
+              Container(
+                width: 17,
+                height: 17,
+                decoration: const BoxDecoration(
+                  color: Color.fromRGBO(
+                    133,
+                    200,
+                    133,
+                    100,
+                  ),
+                  shape: BoxShape.circle,
+                ),
+              ),
+              const SizedBox(width: 20),
+              Flexible(
+                child: Text(order.title),
+              ),
+            ],
+          ),
+        ),
+      );
+}
diff --git a/lib/ui/orderspage.dart b/lib/ui/orderspage.dart
new file mode 100644
index 0000000..a9398ed
--- /dev/null
+++ b/lib/ui/orderspage.dart
@@ -0,0 +1,88 @@
+import 'package:cubit_form/cubit_form.dart';
+import 'package:flutter/material.dart';
+import 'package:selfprivacy/models/order.dart';
+
+part 'order.dart';
+
+class OrdersPage extends StatelessWidget {
+  const OrdersPage({super.key});
+
+  @override
+  Widget build(final BuildContext context) {
+    final Widget child = BlocBuilder<OrdersCubit, OrdersState>(
+      builder: (final BuildContext context, final OrdersState state) {
+        final List<Order> orders = state.orders;
+
+        if (orders.isEmpty) {
+          if (state.isLoading) {
+            return const Center(
+              child: CircularProgressIndicator(),
+            );
+          }
+          return RefreshIndicator(
+            onRefresh: () async {
+              context.read<OrdersCubit>().refresh();
+            },
+            child: Container(
+              padding: const EdgeInsets.symmetric(horizontal: 15),
+              child: Center(
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    ConstrainedBox(
+                      constraints: const BoxConstraints(
+                        minHeight: 40,
+                        minWidth: double.infinity,
+                      ),
+                      child: OutlinedButton(
+                        onPressed: () {
+                          context.read<OrdersCubit>().refresh();
+                        },
+                        child: Text(
+                          'Обновить',
+                          style: Theme.of(context).textTheme.button?.copyWith(
+                                color: Theme.of(context).colorScheme.primary,
+                              ),
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ),
+          );
+        }
+
+        return RefreshIndicator(
+          onRefresh: () async {
+            context.read<OrdersCubit>().refresh();
+          },
+          child: ListView.builder(
+            itemCount: orders.length,
+            itemBuilder: (final BuildContext context, final int index) =>
+                _Order(
+              order: orders[index],
+            ),
+          ),
+        );
+      },
+    );
+
+    return Scaffold(
+      appBar: PreferredSize(
+        preferredSize: const Size.fromHeight(52),
+        child: AppBar(
+          title: const Padding(
+            padding: EdgeInsets.only(top: 4.0),
+            child: Text('Товары'),
+          ),
+          leading: IconButton(
+            icon: const Icon(Icons.arrow_back),
+            onPressed: () => Navigator.of(context).pop(),
+          ),
+        ),
+      ),
+      body: child,
+    );
+  }
+}
diff --git a/lib/ui/root.dart b/lib/ui/root.dart
new file mode 100644
index 0000000..6402219
--- /dev/null
+++ b/lib/ui/root.dart
@@ -0,0 +1,67 @@
+import 'package:flutter/material.dart';
+import 'package:selfprivacy/logic/appsettingscubit.dart';
+import 'package:selfprivacy/ui/brandtabbar.dart';
+import 'package:selfprivacy/ui/courierspage.dart';
+import 'package:selfprivacy/ui/itemspage.dart';
+import 'package:selfprivacy/ui/orderspage.dart';
+
+class RootPage extends StatefulWidget {
+  const RootPage({super.key});
+
+  @override
+  State<RootPage> createState() => _RootPageState();
+}
+
+class _RootPageState extends State<RootPage> with TickerProviderStateMixin {
+  late TabController tabController;
+
+  late final AnimationController _controller = AnimationController(
+    duration: const Duration(milliseconds: 400),
+    vsync: this,
+  );
+
+  @override
+  void initState() {
+    tabController = TabController(length: 3, vsync: this);
+    tabController.addListener(() {
+      setState(() {
+        tabController.index == 2
+            ? _controller.forward()
+            : _controller.reverse();
+      });
+    });
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    tabController.dispose();
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(final BuildContext context) => SafeArea(
+        child: Provider<ChangeTab>(
+          create: (final _) => ChangeTab(tabController.animateTo),
+          child: Scaffold(
+            body: TabBarView(
+              controller: tabController,
+              children: const [
+                ItemsPage(),
+                CouriersPage(),
+                OrdersPage(),
+              ],
+            ),
+            bottomNavigationBar: BrandTabBar(
+              controller: tabController,
+            ),
+          ),
+        ),
+      );
+}
+
+class ChangeTab {
+  ChangeTab(this.onPress);
+  final ValueChanged<int> onPress;
+}
diff --git a/pubspec.yaml b/pubspec.yaml
index af1521e..b06f504 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -64,28 +64,3 @@ flutter_icons:
   ios: true
   image_path_android: "assets/images/icon/logo_android.png"
   image_path_ios: "assets/images/icon/logo_ios.png"
-
-flutter:
-  uses-material-design: true
-  assets:
-    - assets/images/
-    - assets/images/onboarding/
-    - assets/images/logos/
-    - assets/images/gifs/
-    - assets/translations/
-    - assets/markdown/
-  fonts:
-    - family: BrandIcons
-      fonts:
-        - asset: assets/fonts/BrandIcons.ttf
-    - family: Inter
-      fonts:
-        - asset: assets/fonts/Inter-Regular.ttf
-        - asset: assets/fonts/Inter-Medium.ttf
-          weight: 500
-        - asset: assets/fonts/Inter-SemiBold.ttf
-          weight: 600
-        - asset: assets/fonts/Inter-Bold.ttf
-          weight: 700
-        - asset: assets/fonts/Inter-ExtraBold.ttf
-          weight: 800