diff --git a/assets/images/finger.png b/assets/images/finger.png
new file mode 100644
index 0000000..5f07100
Binary files /dev/null and b/assets/images/finger.png differ
diff --git a/assets/images/secBg.jpg b/assets/images/secBg.jpg
new file mode 100644
index 0000000..975493f
Binary files /dev/null and b/assets/images/secBg.jpg differ
diff --git a/lib/core/route_names.dart b/lib/core/route_names.dart
index f880aa9..21f9469 100644
--- a/lib/core/route_names.dart
+++ b/lib/core/route_names.dart
@@ -4,5 +4,6 @@ const String ImageShowRoute = "ImageShowRoute";
 const String PaymentViewRoute = "PaymentView";
 const String HistoryViewRoute = "HistoryView";
 const String InfoKkmViewRoute = "InfoKkmViewRoute";
+const String SettingsViewRoute = "SettingsViewRoute";
 const String QrViewRoute = "QrViewRoute";
 // Generate the views here
diff --git a/lib/core/router.dart b/lib/core/router.dart
index 574f5de..1af744f 100644
--- a/lib/core/router.dart
+++ b/lib/core/router.dart
@@ -3,6 +3,7 @@ import 'package:aman_kassa_flutter/views/history/history_view.dart';
 import 'package:aman_kassa_flutter/views/info_kkm/info_kkm_view.dart';
 import 'package:aman_kassa_flutter/views/payment/payment_view.dart';
 import 'package:aman_kassa_flutter/views/qr_view/qr_view.dart';
+import 'package:aman_kassa_flutter/views/settings/settings_view.dart';
 
 import './route_names.dart';
 import 'package:aman_kassa_flutter/views/home/home_view.dart';
@@ -38,6 +39,11 @@ Route<dynamic> generateRoute(RouteSettings settings) {
         routeName: settings.name,
         viewToShow: InfoKkmView(),
       );
+    case SettingsViewRoute:
+      return _getPageRoute(
+        routeName: settings.name,
+        viewToShow: SettingView(),
+      );
     case QrViewRoute:
       ImageShowModel data = settings.arguments as ImageShowModel;
       return _getPageRoute(
diff --git a/lib/redux/actions/setting_actions.dart b/lib/redux/actions/setting_actions.dart
index da4953b..7ba6071 100644
--- a/lib/redux/actions/setting_actions.dart
+++ b/lib/redux/actions/setting_actions.dart
@@ -23,4 +23,22 @@ ThunkAction<AppState> changeTradeTypeFromSetting(String tradeType) {
   return (Store<AppState> store) async {
     store.dispatch(SetSettingStateAction(SettingState(tradeType: tradeType )));
   };
+}
+
+ThunkAction<AppState> changePinCodeFromSetting(String pinCode) {
+  return (Store<AppState> store) async {
+    store.dispatch(SetSettingStateAction(SettingState(pinCode: pinCode)));
+  };
+}
+
+ThunkAction<AppState> changePinLockedFromSetting(bool locked) {
+  return (Store<AppState> store) async {
+    store.dispatch(SetSettingStateAction(SettingState(pinLocked: locked)));
+  };
+}
+
+ThunkAction<AppState> changePinSkipFromSetting(bool skip) {
+  return (Store<AppState> store) async {
+    store.dispatch(SetSettingStateAction(SettingState(pinSkip: skip)));
+  };
 }
\ No newline at end of file
diff --git a/lib/redux/actions/user_actions.dart b/lib/redux/actions/user_actions.dart
index 048b49d..72194e3 100644
--- a/lib/redux/actions/user_actions.dart
+++ b/lib/redux/actions/user_actions.dart
@@ -72,7 +72,7 @@ Future<void> logoutAction(Store<AppState> store) async {
         UserState(
           isLoading: false,
           isAuthenticated: false,
-          user: User(),
+          user: User()
         ),
       ),
     );
diff --git a/lib/redux/reducers/setting_reducer.dart b/lib/redux/reducers/setting_reducer.dart
index 5e76b10..961ea2c 100644
--- a/lib/redux/reducers/setting_reducer.dart
+++ b/lib/redux/reducers/setting_reducer.dart
@@ -5,6 +5,9 @@ settingReducer(SettingState prevState, SetSettingStateAction action) {
   final payload = action.settingState;
   return prevState.copyWith(
     mode: payload.mode,
-    tradeType: payload.tradeType
+    tradeType: payload.tradeType,
+    pinCode: payload.pinCode,
+    pinLocked: payload.pinLocked,
+    pinSkip: payload.pinSkip,
   );
 }
diff --git a/lib/redux/state/setting_state.dart b/lib/redux/state/setting_state.dart
index dd5bb1a..2fa437c 100644
--- a/lib/redux/state/setting_state.dart
+++ b/lib/redux/state/setting_state.dart
@@ -5,24 +5,38 @@ import 'package:meta/meta.dart';
 class SettingState {
   final String mode;
   final String tradeType;
+  final String pinCode;
+  final bool pinLocked;
+  final bool pinSkip;
 
-  SettingState({this.mode, this.tradeType});
+
+  SettingState({this.mode, this.tradeType, this.pinCode, this.pinLocked, this.pinSkip});
 
   //read hive
   factory SettingState.initial(SettingState payload) {
     return SettingState(
         mode: payload?.mode ?? SettingModeKassa,
-        tradeType: payload?.tradeType ?? SettingTradeTypeGood);
+        tradeType: payload?.tradeType ?? SettingTradeTypeGood,
+        pinCode: payload.pinCode ?? null,
+        pinLocked: payload.pinLocked ?? false,
+        pinSkip: false,
+    );
   }
 
   //write hive
   SettingState copyWith({
     @required mode,
     @required tradeType,
+    @required pinCode,
+    @required pinLocked,
+    @required pinSkip,
   }) {
     return SettingState(
       mode: mode ?? this.mode,
       tradeType: tradeType ?? this.tradeType,
+      pinCode: pinCode ?? this.pinCode,
+      pinLocked: pinLocked ?? this.pinLocked,
+      pinSkip: pinSkip ?? this.pinSkip
     );
   }
 
@@ -31,11 +45,20 @@ class SettingState {
         ? SettingState(
             tradeType: json['tradeType'],
             mode: json['mode'],
+            pinCode: json['pinCode'],
+            pinLocked: json['pinLocked'],
+            pinSkip: json['pinSkip'],
           )
         : null;
   }
 
   dynamic toJson() {
-    return {"tradeType": tradeType, "mode": mode};
+    return {
+      "tradeType": tradeType,
+      "mode": mode,
+      "pinCode": pinCode,
+      "pinLocked" : pinLocked,
+      "pinSkip" : pinSkip,
+    };
   }
 }
diff --git a/lib/redux/state/user_state.dart b/lib/redux/state/user_state.dart
index d7a1a85..6dbf02e 100644
--- a/lib/redux/state/user_state.dart
+++ b/lib/redux/state/user_state.dart
@@ -16,6 +16,7 @@ class UserState {
   final Smena smena;
   final Money money;
 
+
   UserState(
       {this.isError,
       this.isLoading,
@@ -26,7 +27,8 @@ class UserState {
       this.user,
       this.loginFormMessage,
       this.smena,
-      this.money});
+      this.money,
+      });
 
   factory UserState.initial(UserState payload) => UserState(
         isLoading: false,
@@ -73,7 +75,8 @@ class UserState {
             user: User.fromJson(json['user']),
             authenticateType: json['authenticateType'],
             login: json['login'],
-            password: json['password'])
+            password: json['password'],
+    )
         : null;
   }
 
diff --git a/lib/views/home/components/popup_menu.dart b/lib/views/home/components/popup_menu.dart
index e588169..f500178 100644
--- a/lib/views/home/components/popup_menu.dart
+++ b/lib/views/home/components/popup_menu.dart
@@ -7,7 +7,7 @@ const List<Choice> choices = const <Choice>[
   //const Choice(title: 'Помощь', icon: Icons.help, command: 'help'),
   const Choice(
       title: 'Информация о ККМ', icon: Icons.info_outline, command: 'infokkm'),
-  //const Choice(title: 'Язык', icon: Icons.language, command: 'language'),
+  const Choice(title: 'Настройки', icon: Icons.settings, command: 'settings'),
   const Choice(title: 'Выйти', icon: Icons.exit_to_app, command: 'exit')
 ];
 
diff --git a/lib/views/home/home_view.dart b/lib/views/home/home_view.dart
index 72aab32..ea3b185 100644
--- a/lib/views/home/home_view.dart
+++ b/lib/views/home/home_view.dart
@@ -6,17 +6,21 @@ import 'package:aman_kassa_flutter/core/route_names.dart';
 import 'package:aman_kassa_flutter/core/services/ApiService.dart';
 import 'package:aman_kassa_flutter/core/services/DataService.dart';
 import 'package:aman_kassa_flutter/core/services/navigator_service.dart';
+import 'package:aman_kassa_flutter/redux/actions/setting_actions.dart';
 import 'package:aman_kassa_flutter/redux/actions/user_actions.dart';
 import 'package:aman_kassa_flutter/redux/constants/setting_const.dart';
 import 'package:aman_kassa_flutter/redux/state/setting_state.dart';
 import 'package:aman_kassa_flutter/redux/store.dart';
 import 'package:aman_kassa_flutter/shared/app_colors.dart';
 import 'package:aman_kassa_flutter/views/home/components/header_title.dart';
+import 'package:aman_kassa_flutter/views/lockscreen/passcodescreen.dart';
+import 'package:aman_kassa_flutter/views/start_up/start_up_view.dart';
 import 'package:aman_kassa_flutter/widgets/loader/Dialogs.dart';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_redux/flutter_redux.dart';
 import 'package:logger/logger.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 import './tabs/KassaTab.dart';
 import './tabs/AdditionalTab.dart';
@@ -30,7 +34,7 @@ class HomeView extends StatefulWidget {
   _HomeViewState createState() => _HomeViewState();
 }
 
-class _HomeViewState extends State<HomeView> {
+class _HomeViewState extends State<HomeView> with WidgetsBindingObserver {
   Logger log = getLogger('HomeView');
   PageController pageController;
   int selectedTabIndex;
@@ -39,6 +43,68 @@ class _HomeViewState extends State<HomeView> {
   NavigatorService _navigatorService = locator<NavigatorService>();
   final GlobalKey<State> _keyLoader = new GlobalKey<State>();
 
+  final lastKnownStateKey = 'lastKnownStateKey';
+  final backgroundedTimeKey = 'backgroundedTimeKey';
+  final pinLockMillis = 2000; // 2 seconds
+
+  Future _paused() async {
+    final sp = await SharedPreferences.getInstance();
+    sp.setInt(lastKnownStateKey, AppLifecycleState.paused.index);
+  }
+
+  Future _inactive() async {
+    final sp = await SharedPreferences.getInstance();
+    final prevState = sp.getInt(lastKnownStateKey);
+    final prevStateIsNotPaused = prevState != null &&
+        AppLifecycleState.values[prevState] != AppLifecycleState.paused;
+    if(prevStateIsNotPaused && Redux.store.state.settingState.pinSkip == false) {
+      // save App backgrounded time to Shared preferences
+      sp.setInt(backgroundedTimeKey, DateTime.now().millisecondsSinceEpoch);
+    }
+// update previous state as inactive
+    sp.setInt(lastKnownStateKey, AppLifecycleState.inactive.index);
+  }
+
+  Future _resumed() async {
+    final sp = await SharedPreferences.getInstance();
+    final bgTime = sp.getInt(backgroundedTimeKey) ?? 0;
+    final allowedBackgroundTime = bgTime + pinLockMillis;
+    final shouldShowPIN = DateTime.now().millisecondsSinceEpoch > allowedBackgroundTime;
+    print(shouldShowPIN);
+    if(shouldShowPIN && bgTime > 0) {
+      Redux.store.dispatch(changePinLockedFromSetting(true));
+      // show PIN screen
+      // Navigator.pushReplacement(context, MaterialPageRoute(
+      //     builder: (_) => PassCodeScreen( title: 'Безопасность',)));
+      Navigator.of(context).push(MaterialPageRoute(
+          builder: (_) =>
+              WillPopScope(
+                  onWillPop: () async {
+                    return false;
+                  },
+                  child: PassCodeScreen( title: 'Безопасность',)
+              )
+      ));
+
+    }
+    sp.remove(backgroundedTimeKey); // clean
+    sp.setInt(lastKnownStateKey, AppLifecycleState.resumed.index);// previous state
+  }
+
+  _checkLockPin () async {
+    if ( Redux.store.state.settingState.pinLocked == true) {
+      Navigator.of(context).push(MaterialPageRoute(
+          builder: (_) =>
+              WillPopScope(
+                  onWillPop: () async {
+                    return false;
+                  },
+                  child: PassCodeScreen( title: 'Безопасность',)
+              )
+      ));
+    }
+  }
+
   @override
   void initState() {
     super.initState();
@@ -46,10 +112,32 @@ class _HomeViewState extends State<HomeView> {
     pageController = new PageController(initialPage: selectedTabIndex);
     Redux.store.dispatch(checkSmena);
     _dataService.checkDbFill(Redux.store.state.userState.user);
+    WidgetsBinding.instance.addObserver(this);
+    _checkLockPin();
+  }
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    super.didChangeAppLifecycleState(state);
+    print('state = $state');
+    switch(state) {
+      case AppLifecycleState.resumed:
+        _resumed();
+        break;
+      case AppLifecycleState.paused:
+        _paused();
+        break;
+      case AppLifecycleState.inactive:
+        _inactive();
+        break;
+      default:
+        break;
+    }
   }
 
   @override
   void dispose() {
+    WidgetsBinding.instance.removeObserver(this);
     pageController.dispose();
     super.dispose();
   }
@@ -64,6 +152,8 @@ class _HomeViewState extends State<HomeView> {
       Navigator.of(_keyLoader.currentContext, rootNavigator: true).pop();
     } else if (choice.command == 'infokkm') {
       _navigatorService.push(InfoKkmViewRoute);
+    } else if (choice.command == 'settings') {
+      _navigatorService.push(SettingsViewRoute);
     }
   }
 
diff --git a/lib/views/home/tabs/KassaTab.dart b/lib/views/home/tabs/KassaTab.dart
index 096c09d..928a10a 100644
--- a/lib/views/home/tabs/KassaTab.dart
+++ b/lib/views/home/tabs/KassaTab.dart
@@ -6,6 +6,7 @@ import 'package:aman_kassa_flutter/core/services/DataService.dart';
 import 'package:aman_kassa_flutter/core/services/dialog_service.dart';
 import 'package:aman_kassa_flutter/core/services/navigator_service.dart';
 import 'package:aman_kassa_flutter/redux/actions/kassa_actions.dart';
+import 'package:aman_kassa_flutter/redux/actions/setting_actions.dart';
 import 'package:aman_kassa_flutter/redux/constants/operation_const.dart';
 import 'package:aman_kassa_flutter/redux/constants/setting_const.dart';
 import 'package:aman_kassa_flutter/redux/state/kassa_state.dart';
@@ -183,6 +184,7 @@ class KassaTab extends StatelessWidget {
 
   Future<void> scan() async {
     try {
+      Redux.store.dispatch(changePinSkipFromSetting(true));
       var options = ScanOptions(strings: {
         "cancel": 'Отмена',
         "flash_on": 'Вкл фонарик',
@@ -238,6 +240,8 @@ class KassaTab extends StatelessWidget {
         result.rawContent = 'Unknown error: $e';
         _dialogService.showDialog(description: 'Неизвестная ошибка: $e');
       }
+    } finally {
+      Redux.store.dispatch(changePinSkipFromSetting(false));
     }
   }
 
diff --git a/lib/views/lockscreen/passcodescreen.dart b/lib/views/lockscreen/passcodescreen.dart
new file mode 100644
index 0000000..b75234d
--- /dev/null
+++ b/lib/views/lockscreen/passcodescreen.dart
@@ -0,0 +1,79 @@
+import 'package:aman_kassa_flutter/core/route_names.dart';
+import 'package:aman_kassa_flutter/redux/actions/setting_actions.dart';
+import 'package:aman_kassa_flutter/redux/store.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_lock_screen/flutter_lock_screen.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:aman_kassa_flutter/core/locator.dart';
+import 'package:aman_kassa_flutter/core/services/navigator_service.dart';
+
+class PassCodeScreen extends StatefulWidget {
+  PassCodeScreen({Key key, this.title}) : super(key: key);
+
+  final String title;
+
+  @override
+  _PassCodeScreenState createState() => new _PassCodeScreenState();
+}
+
+class _PassCodeScreenState extends State<PassCodeScreen> {
+  // bool isFingerprint = false;
+  NavigatorService _navigatorService = locator<NavigatorService>();
+  final backgroundedTimeKey = 'backgroundedTimeKey';
+
+
+  // Future<Null> biometrics() async {
+  //   final LocalAuthentication auth = new LocalAuthentication();
+  //   bool authenticated = false;
+  //
+  //   try {
+  //     authenticated = await auth.authenticateWithBiometrics(
+  //         localizedReason: 'Scan your fingerprint to authenticate',
+  //         useErrorDialogs: true,
+  //         stickyAuth: false);
+  //   } on PlatformException catch (e) {
+  //     print(e);
+  //   }
+  //   if (!mounted) return;
+  //   if (authenticated) {
+  //     setState(() {
+  //       isFingerprint = true;
+  //     });
+  //   }
+  // }
+
+  @override
+  Widget build(BuildContext context) {
+    var myPass = [];
+    String _pinCode = Redux.store.state.settingState.pinCode;
+    for (var i = 0; i < _pinCode.length; i++) {
+      myPass.add(int.parse(_pinCode[i]));
+    }
+    return LockScreen(
+        title: "Введите ПИН-код",
+        passLength: myPass.length,
+        bgImage: "assets/images/secBg.jpg",
+        // fingerPrintImage: "assets/images/finger.png",
+        // showFingerPass: true,
+        // fingerFunction: biometrics,
+        // fingerVerify: isFingerprint,
+        borderColor: Colors.white,
+        showWrongPassDialog: true,
+        wrongPassContent: "Неверный код, повторите попытку",
+        wrongPassTitle: "Aman Kassa",
+        wrongPassCancelButtonText: "Отмена",
+        passCodeVerify: (passcode) async {
+          for (int i = 0; i < myPass.length; i++) {
+            if (passcode[i] != myPass[i]) {
+              return false;
+            }
+          }
+
+          return true;
+        },
+        onSuccess: () {
+          Redux.store.dispatch(changePinLockedFromSetting(false));
+          _navigatorService.replace(HomeViewRoute);
+        });
+  }
+}
\ No newline at end of file
diff --git a/lib/views/settings/settings_view.dart b/lib/views/settings/settings_view.dart
new file mode 100644
index 0000000..f7e427e
--- /dev/null
+++ b/lib/views/settings/settings_view.dart
@@ -0,0 +1,96 @@
+import 'package:aman_kassa_flutter/core/locator.dart';
+import 'package:aman_kassa_flutter/core/services/dialog_service.dart';
+import 'package:aman_kassa_flutter/redux/actions/setting_actions.dart';
+import 'package:aman_kassa_flutter/redux/state/setting_state.dart';
+import 'package:aman_kassa_flutter/redux/store.dart';
+import 'package:aman_kassa_flutter/shared/app_colors.dart';
+import 'package:aman_kassa_flutter/shared/ui_helpers.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+class SettingView extends StatefulWidget {
+  SettingView();
+
+  @override
+  _SettingViewState createState() => _SettingViewState();
+}
+
+class _SettingViewState extends State<SettingView> {
+  TextEditingController _pinController;
+  final DialogService _dialogService = locator<DialogService>();
+
+  @override
+  void initState() {
+    super.initState();
+    SettingState state = Redux.store.state.settingState;
+    _pinController = new TextEditingController(text: state.pinCode);
+  }
+
+
+
+
+  @override
+  void dispose() {
+    _pinController.dispose();
+    super.dispose();
+  }
+
+  void _setPinCode(BuildContext _context) async {
+    FocusScope.of(_context).unfocus();
+    var value = _pinController.text;
+    if(value.isEmpty || value.length !=4){
+      _dialogService.showDialog(description: 'Необходимо указать 4-х значный числовой код');
+    } else {
+      await Redux.store.dispatch(changePinCodeFromSetting(_pinController.text));
+      _dialogService.showDialog(description: 'Данные успешно сохранены');
+    }
+  }
+
+
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        centerTitle: true,
+        title: Text('Настройка HalykPos'),
+      ),
+      body: SingleChildScrollView(
+        child: Container(
+          margin: const EdgeInsets.symmetric(horizontal: 14.0),
+          child: Column(
+            children: <Widget>[
+              verticalSpaceTiny,
+              Text(
+                'Ддя блокировки приложения пин-кодом, укажите 4-ех значный числовой код',
+                style: TextStyle(fontSize: 15.0),
+                textAlign: TextAlign.center,
+              ),
+              verticalSpaceTiny,
+              TextField(
+                controller: _pinController,
+                maxLength: 4,
+                obscureText: true,
+                decoration: InputDecoration(
+                    labelText: 'Пин-код', hintText: "Укажите пин-код"),
+                keyboardType: TextInputType.number,
+              ),
+              verticalSpaceMedium,
+              RaisedButton(
+                onPressed: () => this._setPinCode(context),
+                child: Text(
+                  'Cохранить настройки',
+                  style: TextStyle(color: whiteColor, fontSize: 20.0),
+                ),
+                color: primaryColor,
+                padding:
+                const EdgeInsets.symmetric(vertical: 5.0, horizontal: 20.0),
+              ),
+
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}
\ No newline at end of file
diff --git a/pubspec.lock b/pubspec.lock
index 861beca..69ca472 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -139,6 +139,20 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_lock_screen:
+    dependency: "direct main"
+    description:
+      name: flutter_lock_screen
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.8"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.11"
   flutter_redux:
     dependency: "direct main"
     description:
@@ -198,6 +212,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.16.1"
+  local_auth:
+    dependency: "direct main"
+    description:
+      name: local_auth
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.3+4"
   logger:
     dependency: "direct main"
     description:
@@ -374,7 +395,7 @@ packages:
     source: hosted
     version: "0.3.0"
   shared_preferences:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: shared_preferences
       url: "https://pub.dartlang.org"
diff --git a/pubspec.yaml b/pubspec.yaml
index fe85302..f924d38 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -31,6 +31,9 @@ dependencies:
     qr_flutter: ^3.2.0
     mask_text_input_formatter: ^1.2.1
     flutter_screenutil: ^2.3.1
+    shared_preferences: ^0.5.12+4
+    flutter_lock_screen: ^1.0.8
+    local_auth: ^0.6.3+4
 dev_dependencies:
     flutter_test:
         sdk: flutter
@@ -40,8 +43,7 @@ flutter:
 
   # To add assets to your application, add an assets section, like this:
     assets:
-    - assets/images/logo.png
-    - assets/images/icon_large.png
+    - assets/images/
     - assets/lang/en.json
     - assets/lang/ru.json
     - assets/google_fonts/