Merge branch 'master' into pin_locker

# Conflicts:
#	lib/core/router.dart
#	lib/redux/actions/setting_actions.dart
#	lib/redux/reducers/setting_reducer.dart
#	lib/redux/state/setting_state.dart
#	lib/views/home/components/popup_menu.dart
#	lib/views/home/home_view.dart
#	pubspec.lock
#	pubspec.yaml

android/app/build.gradle

@@ -34,7 +34,7 @@ if (keystorePropertiesFile.exists()) {
 
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion 30
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -46,8 +46,8 @@ android {
 
     defaultConfig {
         applicationId "kz.com.aman.kassa"
-        minSdkVersion 18
+        minSdkVersion 21
-        targetSdkVersion 28
+        targetSdkVersion 30
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"

lib/core/logger.dart

@@ -18,7 +18,7 @@ class SimpleLogPrinter extends LogPrinter {
     if (event.stackTrace == null) {
      stack = formatStackTrace(StackTrace.current, 2);
     } else {
-     stack = formatStackTrace(event.stackTrace, 2);
+     stack = formatStackTrace(event.stackTrace, 1);
     }
     print(color(' $emoji $message $error -> $stack '));
     return [];
@@ -34,6 +34,7 @@ class SimpleLogPrinter extends LogPrinter {
   }
 
   String formatStackTrace(StackTrace stackTrace, int methodPosition) {
+
     var lines = stackTrace.toString()?.split('\n');
     var formatted = <String>[];
     var count = 0;

lib/core/models/check_image_modal.dart

@@ -0,0 +1,17 @@
+class CheckImageModal {
+  final String base64Data;
+  final String textData;
+  CheckImageModal({this.base64Data, this.textData});
+
+  static CheckImageModal fromJson(Map<String, dynamic> json) {
+    return CheckImageModal(
+      base64Data: json['base64Data'],
+      textData: json['textData']
+    );
+  }
+  Map<String, dynamic> toJson() =>
+      {
+        'base64Data': base64Data,
+        'textData': textData
+      };
+}

lib/core/models/setting_model.dart

@@ -0,0 +1,6 @@
+class SettingModel {
+  const SettingModel({this.name, this.type, this.address});
+  final String type;
+  final String name;
+  final String address;
+}

lib/core/route_names.dart

@@ -6,4 +6,10 @@ const String HistoryViewRoute = "HistoryView";
 const String InfoKkmViewRoute = "InfoKkmViewRoute";
 const String SettingsViewRoute = "SettingsViewRoute";
 const String QrViewRoute = "QrViewRoute";
+
+
+const String SettingsPrinterRoute = "SettingsPrinterRoute";
+const String SettingsPrinterBTRoute = "SettingsPrinterBTRoute";
+const String SettingsPrinterEncodingRoute = "SettingsPrinterEncodingRoute";
+const String SettingsPrinterPaperRoute = "SettingsPrinterPaperRoute";
 // Generate the views here

lib/core/router.dart

@@ -3,12 +3,16 @@ 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/printer/views/PrinterSelect.dart';
 import 'package:aman_kassa_flutter/views/settings/settings_view.dart';
-
+import 'package:aman_kassa_flutter/views/settings/printer/views/PrinterEncoding.dart';
-import './route_names.dart';
+import 'package:aman_kassa_flutter/views/settings/printer/views/PrinterPaperSize.dart';
-import 'package:aman_kassa_flutter/views/home/home_view.dart';
+import 'package:aman_kassa_flutter/views/settings/setting_printer_view.dart';
 import 'package:aman_kassa_flutter/views/login/login_view.dart';
+import 'package:aman_kassa_flutter/views/home/home_view.dart';
 import 'package:flutter/material.dart';
+import './route_names.dart';
+
 
 Route<dynamic> generateRoute(RouteSettings settings) {
   switch (settings.name) {
@@ -57,6 +61,26 @@ Route<dynamic> generateRoute(RouteSettings settings) {
         routeName: settings.name,
         viewToShow: ImageShowContainer(data),
       );
+    case SettingsPrinterRoute:
+      return _getPageRoute(
+        routeName: settings.name,
+        viewToShow: SettingPrinterView(),
+      );
+    case SettingsPrinterBTRoute:
+      return _getPageRoute(
+        routeName: settings.name,
+        viewToShow: PrinterSelectView(),
+      );
+    case SettingsPrinterEncodingRoute:
+      return _getPageRoute(
+        routeName: settings.name,
+        viewToShow: PrinterEncodingView(),
+      );
+    case SettingsPrinterPaperRoute:
+      return _getPageRoute(
+        routeName: settings.name,
+        viewToShow: PrinterPaperView(),
+      );
     default:
       return MaterialPageRoute(
           builder: (_) => Scaffold(

lib/core/services/DataService.dart

@@ -8,6 +8,7 @@ import 'package:aman_kassa_flutter/core/entity/Voucher.dart';
 import 'package:aman_kassa_flutter/core/locator.dart';
 import 'package:aman_kassa_flutter/core/models/calc_model.dart';
 import 'package:aman_kassa_flutter/core/models/check_data.dart';
+import 'package:aman_kassa_flutter/core/models/check_image_modal.dart';
 import 'package:aman_kassa_flutter/core/models/check_item.dart';
 import 'package:aman_kassa_flutter/core/models/product_dao.dart';
 import 'package:aman_kassa_flutter/core/models/response.dart';
@@ -166,17 +167,26 @@ class DataService extends BaseService {
 //      log.i('response operation: ${response.operation}');
       if (response.status == 200 && response.operation == true) {
         User user = Redux.store.state.userState.user;
+        //check compare
+
         String check = response?.body['check'];
+        var checkText = response?.body['check_text'];
+        CheckImageModal imageModal = new CheckImageModal( base64Data: check, textData: checkText !=null ? jsonEncode(checkText) : null );
+        // journal analyze
         dynamic journal = response?.body['journal'];
-        String url = response?.body['link'];
         int checkNum = journal['check_num'];
         var summ = journal['summ'];
+        // short url
+        String url = response?.body['link'];
+        // total
         double total = summ != null ? double.parse(summ.toString()) : 0.0;
+
+        //insert data to db
         this.insertVoucher(
             user: user,
             name: 'Чек №$checkNum',
             data: data,
-            base64Data: check,
+            base64Data: jsonEncode(imageModal.toJson()),
             total: total,
             url: url,
             type: operationType == OperationTypeReturn

lib/main.dart

@@ -44,9 +44,9 @@ class MainApplication extends StatelessWidget {
             primaryColor: primaryColor,
             accentColor: yellowColor,
             scaffoldBackgroundColor: Colors.white,
-              textTheme: GoogleFonts.latoTextTheme(
+              // textTheme: GoogleFonts.latoTextTheme(
-                Theme.of(context).textTheme,
+              //   Theme.of(context).textTheme,
-              )
+              // )
           ),
           debugShowCheckedModeBanner: false,
           builder: (context, child) => Navigator(

lib/redux/actions/setting_actions.dart

@@ -3,7 +3,7 @@ import 'package:aman_kassa_flutter/redux/state/setting_state.dart';
 import 'package:meta/meta.dart';
 import 'package:redux/redux.dart';
 import 'package:redux_thunk/redux_thunk.dart';
-
+import 'package:flutter_bluetooth_basic/src/bluetooth_device.dart';
 import '../store.dart';
 
 @immutable
@@ -41,4 +41,22 @@ ThunkAction<AppState> changePinSkipFromSetting(bool skip) {
   return (Store<AppState> store) async {
     store.dispatch(SetSettingStateAction(SettingState(pinSkip: skip)));
   };
+}
+
+ThunkAction<AppState> selectPrinterFromSetting(BluetoothDevice device) {
+  return (Store<AppState> store) async {
+    store.dispatch(SetSettingStateAction(SettingState(printerBT: device )));
+  };
+}
+
+ThunkAction<AppState> selectPrinterEncodingFromSetting(String encoding) {
+  return (Store<AppState> store) async {
+    store.dispatch(SetSettingStateAction(SettingState(printerEncoding: encoding )));
+  };
+}
+
+ThunkAction<AppState> selectPrinterPaperSizeFromSetting(String paperSize) {
+  return (Store<AppState> store) async {
+    store.dispatch(SetSettingStateAction(SettingState(printerPaperSize: paperSize )));
+  };
 }

lib/redux/constants/setting_const.dart

@@ -3,4 +3,17 @@ const String SettingModeCalc = 'calcMode';
 
 
 const String SettingTradeTypeGood = 'g';
-const String SettingTradeTypeService = 's';
+const String SettingTradeTypeService = 's';
+
+
+const String SettingPrinterEncodingCp866 = 'cp866';
+const String SettingPrinterEncodingWin1251 = 'windows-1251';
+const String SettingPrinterEncodingImage = 'image';
+
+const String SettingPrinterPaperM58 = '58mm';
+const String SettingPrinterPaperM80 = '80mm';
+
+
+
+
+

lib/redux/reducers/setting_reducer.dart

@@ -9,5 +9,8 @@ settingReducer(SettingState prevState, SetSettingStateAction action) {
     pinCode: payload.pinCode,
     pinLocked: payload.pinLocked,
     pinSkip: payload.pinSkip,
+    printerBT: payload.printerBT,
+    printerEncoding: payload.printerEncoding,
+    printerPaperSize: payload.printerPaperSize,
   );
 }

lib/redux/state/setting_state.dart

@@ -1,5 +1,6 @@
 import 'package:aman_kassa_flutter/redux/constants/setting_const.dart';
 import 'package:meta/meta.dart';
+import 'package:flutter_bluetooth_basic/src/bluetooth_device.dart';
 
 @immutable
 class SettingState {
@@ -8,9 +9,14 @@ class SettingState {
   final String pinCode;
   final bool pinLocked;
   final bool pinSkip;
+  final BluetoothDevice printerBT;
+  final String printerEncoding;
+  final String printerPaperSize;
 
 
-  SettingState({this.mode, this.tradeType, this.pinCode, this.pinLocked, this.pinSkip});
+  SettingState({this.mode, this.tradeType, this.pinCode, this.pinLocked, this.pinSkip, this.printerBT,
+      this.printerEncoding,
+      this.printerPaperSize});
 
   //read hive
   factory SettingState.initial(SettingState payload) {
@@ -20,6 +26,10 @@ class SettingState {
         pinCode: payload?.pinCode ?? null,
         pinLocked: true,
         pinSkip: false,
+		printerBT: payload?.printerBT ?? null,
+        printerEncoding:
+            payload?.printerEncoding ?? SettingPrinterEncodingCp866,
+        printerPaperSize: payload?.printerPaperSize ?? SettingPrinterPaperM58
     );
   }
 
@@ -30,13 +40,19 @@ class SettingState {
     @required pinCode,
     @required pinLocked,
     @required pinSkip,
+	@required printerBT,
+    @required printerEncoding,
+    @required printerPaperSize,
   }) {
     return SettingState(
       mode: mode ?? this.mode,
       tradeType: tradeType ?? this.tradeType,
       pinCode: pinCode ?? this.pinCode,
       pinLocked: pinLocked ?? this.pinLocked,
-      pinSkip: pinSkip ?? this.pinSkip
+      pinSkip: pinSkip ?? this.pinSkip,
+		printerBT: printerBT ?? this.printerBT,
+        printerEncoding: printerEncoding ?? this.printerEncoding,
+        printerPaperSize: printerPaperSize ?? this.printerPaperSize
     );
   }
 
@@ -48,6 +64,11 @@ class SettingState {
             pinCode: json['pinCode'],
             pinLocked: json['pinLocked'],
             pinSkip: json['pinSkip'],
+ 			printerEncoding: json['printerEncoding'],
+            printerPaperSize: json['printerPaperSize'],
+            printerBT: json['printerBT'] != null
+                ? BluetoothDevice.fromJson(json['printerBT'])
+                : null,
           )
         : null;
   }
@@ -59,6 +80,9 @@ class SettingState {
       "pinCode": pinCode,
       "pinLocked" : pinLocked,
       "pinSkip" : pinSkip,
+	  "printerBT": printerBT != null ? printerBT.toJson() : null,
+      "printerEncoding": printerEncoding,
+      "printerPaperSize": printerPaperSize,
     };
   }
 }

lib/views/check/image_show_container.dart

@@ -1,34 +1,113 @@
 import 'dart:convert';
 import 'dart:io';
 import 'package:aman_kassa_flutter/core/locator.dart';
+import 'package:aman_kassa_flutter/core/models/check_image_modal.dart';
 import 'package:aman_kassa_flutter/core/models/dialog_models.dart';
 import 'package:aman_kassa_flutter/core/route_names.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/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/shared/ui_helpers.dart';
+import 'package:aman_kassa_flutter/views/settings/printer/PrinterTest.dart';
 import 'package:aman_kassa_flutter/widgets/fields/busy_button_icon.dart';
+import 'package:esc_pos_bluetooth/esc_pos_bluetooth.dart';
+import 'package:esc_pos_utils/esc_pos_utils.dart';
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_bluetooth_basic/flutter_bluetooth_basic.dart';
 import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
 import 'package:esys_flutter_share/esys_flutter_share.dart';
 import 'package:url_launcher/url_launcher.dart';
 
-class ImageShowContainer extends StatelessWidget {
+class ImageShowContainer extends StatefulWidget {
-  final ImageShowModel data;
+  final ImageShowModel showModel;
 
-  ImageShowContainer(this.data);
+  ImageShowContainer(this.showModel);
+
+  @override
+  _ImageShowContainerState createState() => _ImageShowContainerState();
+}
+
+class _ImageShowContainerState extends State<ImageShowContainer> {
+  final PrinterBluetoothManager printerManager = PrinterBluetoothManager();
+  final DialogService _dialogService = locator<DialogService>();
+  final BluetoothDevice printerBtDevice = Redux.store.state.settingState.printerBT;
+
+  bool _printing = false;
+
+  void _print() async {
+    final SettingState state = Redux.store.state.settingState;
+    if(state.printerBT == null) {
+      _dialogService.showDialog(description: 'Укажите в настройках принтер для печати чеков');
+      return;
+    }
+
+    setState(() {
+      _printing = true;
+    });
+    try {
+      printerManager.selectPrinter(PrinterBluetooth(state.printerBT));
+      PaperSize paper = state.printerPaperSize == SettingPrinterPaperM80
+          ? PaperSize.mm80
+          : PaperSize.mm58;
+      if (SettingPrinterEncodingImage == state.printerEncoding) {
+        final PosPrintResult res = await printerManager.printTicket(
+            await printImageCheck(paper, widget.showModel.data.base64Data),
+            chunkSizeBytes: 3096,
+            queueSleepTimeMs: 50);
+        if (res.value != 1) {
+          _dialogService.showDialog(description: res.msg);
+        }
+      } else {
+        final PosPrintResult res = await printerManager.printTicket(
+            await printTextCheck(
+                paper, state.printerEncoding,
+                jsonDecode(widget.showModel.data.textData)),
+            chunkSizeBytes: 3096,
+            queueSleepTimeMs: 50);
+        if (res.value != 1) {
+          _dialogService.showDialog(description: res.msg);
+        }
+      }
+    } finally {
+      setState(() {
+        _printing = false;
+      });
+    }
+  }
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
         //backgroundColor: fillColor,
-        title: Text(data.title),
+        title: Text(widget.showModel.title),
+        actions: [
+          if(_printing)
+            Padding(
+              padding: const EdgeInsets.only(right: 8.0),
+              child: SizedBox(
+                width: 36.0,
+                child: Center(
+                  child: CircularProgressIndicator(
+                    strokeWidth: 2,
+                    valueColor: new AlwaysStoppedAnimation<Color>(
+                        whiteColor),
+                  ),
+                ),
+              ),
+            )
+          else
+            IconButton(icon: Icon(Icons.print), onPressed: _print)
+        ],
       ),
       body: ListView(
-        children: <Widget>[imageFromBase64String(data.data)],
+        children: <Widget>[imageFromBase64String(widget.showModel.data.base64Data)],
       ),
-      floatingActionButton: MyFloatingActionButton(data),
+      floatingActionButton: MyFloatingActionButton(widget.showModel),
     );
   }
 }
@@ -41,7 +120,7 @@ Padding imageFromBase64String(String base64String) {
 }
 
 class ImageShowModel {
-  final String data;
+  final CheckImageModal data;
   final String title;
   final String url;
 
@@ -60,8 +139,13 @@ class _MyFloatingActionButtonState extends State<MyFloatingActionButton> {
   DialogService _dialog = locator<DialogService>();
   NavigatorService _navigatorService = locator<NavigatorService>();
 
+
+  double sheetHeight = 260;
+
   @override
   Widget build(BuildContext context) {
+
+
     return showFab
         ? FloatingActionButton(
             child: Icon(Icons.share),
@@ -79,7 +163,7 @@ class _MyFloatingActionButtonState extends State<MyFloatingActionButton> {
                                 color: Colors.grey[300],
                                 spreadRadius: 5)
                           ]),
-                      height: 260,
+                      height: sheetHeight,
                       child: Column(
                         children: <Widget>[
                           verticalSpaceSmall,
@@ -102,7 +186,7 @@ class _MyFloatingActionButtonState extends State<MyFloatingActionButton> {
                           BusyButtonIcon(
                             title: 'Поделиться',
                             onPressed: shareFile,
-                            mainColor: yellowColor,
+                            mainColor: redColor,
                             icon: Icons.share,
                           ),
                         ],
@@ -119,7 +203,7 @@ class _MyFloatingActionButtonState extends State<MyFloatingActionButton> {
   void shareFile() async {
     try {
       await Share.file('Aman Kassa', 'aman_kassa_check.png',
-          base64Decode(widget.data.data), 'image/png');
+          base64Decode(widget.data.data.base64Data), 'image/png');
     } catch (e) {
       print('error: $e');
     }
@@ -128,7 +212,7 @@ class _MyFloatingActionButtonState extends State<MyFloatingActionButton> {
   void qrGenerate() async {
     _navigatorService.push(QrViewRoute,
         arguments:
-            ImageShowModel(data: widget.data.url, title: 'Спасибо за покупку'));
+            ImageShowModel(url: widget.data.url, title: 'Спасибо за покупку'));
   }
 
   void callWhatsApp() async {

lib/views/history/history_view.dart

@@ -1,5 +1,8 @@
+import 'dart:convert';
+
 import 'package:aman_kassa_flutter/core/entity/Voucher.dart';
 import 'package:aman_kassa_flutter/core/locator.dart';
+import 'package:aman_kassa_flutter/core/models/check_image_modal.dart';
 import 'package:aman_kassa_flutter/core/route_names.dart';
 import 'package:aman_kassa_flutter/core/services/DbService.dart';
 import 'package:aman_kassa_flutter/core/services/navigator_service.dart';
@@ -62,11 +65,18 @@ class _HistoryViewState extends State<HistoryView> {
         },
         itemBuilder: (BuildContext context, int index) {
           Voucher voucher = data[index];
+          String base64Data = voucher.base64Data;
+          CheckImageModal checkImageData;
+          if(base64Data !=null && base64Data.startsWith('{')){
+            checkImageData = CheckImageModal.fromJson(jsonDecode(base64Data));
+          } else {
+            checkImageData = new CheckImageModal(base64Data: base64Data);
+          }
           return ListTile(
             onTap: () {
               _navigatorService.push(ImageShowRoute,
                   arguments: ImageShowModel(
-                      data: voucher.base64Data,
+                      data: checkImageData,
                       title: voucher.name,
                       url: voucher.url));
             },

lib/views/home/components/popup_menu.dart

@@ -8,6 +8,7 @@ const List<Choice> choices = const <Choice>[
   const Choice(
       title: 'Информация о ККМ', icon: Icons.info_outline, command: 'infokkm'),
   const Choice(title: 'Настройки', icon: Icons.settings, command: 'settings'),
+  const Choice(title: 'Принтер', icon: Icons.print, command: 'print'),
   const Choice(title: 'Выйти', icon: Icons.exit_to_app, command: 'exit')
 ];
 

lib/views/home/home_view.dart

@@ -15,7 +15,6 @@ 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/widgets/loader/Dialogs.dart';
-
 import 'package:flutter/material.dart';
 import 'package:flutter_redux/flutter_redux.dart';
 import 'package:logger/logger.dart';
@@ -87,7 +86,7 @@ class _HomeViewState extends State<HomeView> with WidgetsBindingObserver {
                 onWillPop: () async {
                   return false;
                 },
-                child: PassCodeScreen( title: 'Безопасность',)
+                child: PassCodeScreen( title: 'Áåçîïàñíîñòü',)
             )
     ));
   }
@@ -153,6 +152,8 @@ class _HomeViewState extends State<HomeView> with WidgetsBindingObserver {
       _navigatorService.push(InfoKkmViewRoute);
     } else if (choice.command == 'settings') {
       _navigatorService.push(SettingsViewRoute);
+    } else if (choice.command == 'print') {
+      _navigatorService.push(SettingsPrinterRoute);
     }
   }
 

lib/views/payment/payment_view.dart

@@ -1,5 +1,8 @@
+import 'dart:convert';
+
 import 'package:aman_kassa_flutter/core/locator.dart';
 import 'package:aman_kassa_flutter/core/models/calc_model.dart';
+import 'package:aman_kassa_flutter/core/models/check_image_modal.dart';
 import 'package:aman_kassa_flutter/core/models/product_dao.dart';
 import 'package:aman_kassa_flutter/core/models/response.dart';
 import 'package:aman_kassa_flutter/core/route_names.dart';
@@ -195,6 +198,7 @@ class _PaymentViewState extends State<PaymentView> {
         if (response.operation) {
           String message = response.body['message'];
           String check = response.body['check'];
+          var checkText = response.body['check_text'];
           String url = response?.body['link'];
           print('url : $url');
           if (_mode == SettingModeCalc) {
@@ -207,7 +211,7 @@ class _PaymentViewState extends State<PaymentView> {
           Navigator.of(_keyLoader.currentContext, rootNavigator: true).pop();
           _navigatorService.pop();
           _navigatorService.push(ImageShowRoute,
-              arguments: ImageShowModel(data:check, title: message, url: url ));
+              arguments: ImageShowModel(data:new CheckImageModal(base64Data: check, textData: checkText !=null ? jsonEncode(checkText) : null ), title: message, url: url ));
         } else if (!response.operation && ![401,402,403,412,500].contains(response.status)) {
           Navigator.of(_keyLoader.currentContext, rootNavigator: true).pop();
           _dialogService.showDialog(description: response.body['message']);

lib/views/qr_view/qr_view.dart

@@ -27,7 +27,7 @@ class _QrViewState extends State<QrView> {
       body: Container(
         child: Center(
           child: QrImage(
-            data: widget.data.data,
+            data: widget.data.url,
             version: QrVersions.auto,
             size: 220.0,
           ),

lib/views/settings/component/setting_item.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+
+class SettingItem extends StatefulWidget {
+
+  final String name;
+  final String value;
+  final String title;
+  final Function onTap;
+
+  SettingItem({Key key, this.name, this.value, this.onTap, this.title }) : super(key: key);
+
+  @override
+  _SettingItemState createState() => _SettingItemState();
+}
+
+class _SettingItemState extends State<SettingItem> {
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      child: ListTile(
+        title: Text(widget.title),
+        subtitle: Text.rich(
+            TextSpan(
+                text: widget.name,
+                style: TextStyle(fontWeight: FontWeight.w500),
+                children: <TextSpan>[
+                  if(widget.value !=null)
+                    TextSpan(text: ' ${widget.value}', style: TextStyle(fontStyle: FontStyle.italic)),
+                ],
+            )
+        ),
+        trailing: Icon(Icons.chevron_right),
+        onTap: widget.onTap,
+      ),
+    );
+  }
+}

lib/views/settings/printer/PrinterTest.dart

@@ -0,0 +1,229 @@
+import 'dart:convert';
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:aman_kassa_flutter/redux/constants/setting_const.dart';
+import 'package:charset_converter/charset_converter.dart';
+import 'package:esc_pos_utils/esc_pos_utils.dart';
+import 'package:flutter/services.dart';
+import 'package:image/image.dart' as Im;
+import 'package:path_provider/path_provider.dart';
+import 'package:qr_flutter/qr_flutter.dart';
+
+Future<Ticket> testTicket(PaperSize paper) async {
+  final Ticket ticket = Ticket(paper);
+
+  //Uint8List encTxt11 = await CharsetConverter.encode("cp866", "Russian: Привет Мир!");
+  //ticket.textEncoded(encTxt11, styles: PosStyles(codeTable: PosCodeTable.pc866_2));
+  //ticket.textEncoded(encTxt11);
+
+  // ticket.text('Special 1: àÀ', styles: PosStyles(codeTable: PosCodeTable.westEur)); //А
+  // ticket.text('Special 1: á'.toUpperCase(), styles: PosStyles(codeTable: PosCodeTable.westEur));// Б
+  // ticket.text('Special 1: â', styles: PosStyles(codeTable: PosCodeTable.westEur)); //В
+  // ticket.text('Special 1: ã', styles: PosStyles(codeTable: PosCodeTable.westEur));// Г
+  // ticket.text('Special 1: äÄ', styles: PosStyles(codeTable: PosCodeTable.westEur)); //Д
+  // ticket.text('Special 1: å', styles: PosStyles(codeTable: PosCodeTable.westEur));// Е
+  // ticket.text('Special 1: æÆ', styles: PosStyles(codeTable: PosCodeTable.westEur));// Ж
+  // ticket.text('Special 1: ç', styles: PosStyles(codeTable: PosCodeTable.westEur));//З
+  // ticket.text('Special 1: èÈ', styles: PosStyles(codeTable: PosCodeTable.westEur)); // И
+  // ticket.text('Special 1: éÉ', styles: PosStyles(codeTable: PosCodeTable.westEur)); // Й
+  // ticket.text('Special 1: ê', styles: PosStyles(codeTable: PosCodeTable.westEur));//К
+  // ticket.text('Special 1: ëË', styles: PosStyles(codeTable: PosCodeTable.westEur));  // Л
+  // ticket.text('Special 1: ìÌ', styles: PosStyles(codeTable: PosCodeTable.westEur));// M
+  // ticket.text('Special 1: íÍ', styles: PosStyles(codeTable: PosCodeTable.westEur)); // Н
+  // ticket.text('Special 1: î', styles: PosStyles(codeTable: PosCodeTable.westEur));// О
+  // ticket.text('Special 1: ï', styles: PosStyles(codeTable: PosCodeTable.westEur)); // П
+  // ticket.text('Special 1: ð', styles: PosStyles(codeTable: PosCodeTable.westEur));// Р
+  // ticket.text('Special 1: ñ', styles: PosStyles(codeTable: PosCodeTable.westEur));// С
+  // ticket.text('Special 1: ò', styles: PosStyles(codeTable: PosCodeTable.westEur)); // Т
+  // ticket.text('Special 1: óÓ', styles: PosStyles(codeTable: PosCodeTable.westEur)); //У
+  // ticket.text('Special 1: ô', styles: PosStyles(codeTable: PosCodeTable.westEur));// Ф
+  // ticket.text('Special 1: õÕ', styles: PosStyles(codeTable: PosCodeTable.westEur));// Х
+  // ticket.text('Special 1: ö', styles: PosStyles(codeTable: PosCodeTable.westEur)); //Ц
+  // ticket.text('Special 1: ÷', styles: PosStyles(codeTable: PosCodeTable.westEur)); //Ч
+  // ticket.text('Special 1: ø', styles: PosStyles(codeTable: PosCodeTable.westEur));//Ш
+  // ticket.text('Special 1: ù', styles: PosStyles(codeTable: PosCodeTable.westEur)); //Щ
+  // ticket.text('Special 1: ú', styles: PosStyles(codeTable: PosCodeTable.westEur));//Ъ
+  // ticket.text('Special 1: û', styles: PosStyles(codeTable: PosCodeTable.westEur));//Ы
+  // ticket.text('Special 1: üÜ', styles: PosStyles(codeTable: PosCodeTable.westEur)); //Ь
+  // ticket.text('Special 1: ý', styles: PosStyles(codeTable: PosCodeTable.westEur)); //Э
+  // ticket.text('Special 1: þ', styles: PosStyles(codeTable: PosCodeTable.westEur)); // ю
+  // ticket.text('Special 1: ÿß', styles: PosStyles(codeTable: PosCodeTable.westEur)); //Я
+
+  // Uint8List encTxt11 = await CharsetConverter.encode("cp866", "Russian: Привет Мир!");
+  // //ticket.textEncoded(encTxt11, styles: PosStyles(codeTable: PosCodeTable.pc866_2));
+  // ticket.textEncoded(encTxt11);
+
+  ticket.text(
+      'Regular: aA bB cC dD eE fF gG hH iI jJ kK lL mM nN oO pP qQ rR sS tT uU vV wW xX yY zZ');
+  //ticket.text('Special 1: àÀ èÈ éÉ ûÛ üÜ çÇ ôÔ', styles: PosStyles(codeTable: PosCodeTable.westEur));
+  //ticket.text('Special 2: blåbærgrød', styles: PosStyles(codeTable: PosCodeTable.westEur));
+
+  ticket.text('Bold text', styles: PosStyles(bold: true));
+  ticket.text('Reverse text', styles: PosStyles(reverse: true));
+  ticket.text('Underlined text',
+      styles: PosStyles(underline: true), linesAfter: 1);
+  ticket.text('Align left', styles: PosStyles(align: PosAlign.left));
+  ticket.text('Align center', styles: PosStyles(align: PosAlign.center));
+  ticket.text('Align right',
+      styles: PosStyles(align: PosAlign.right), linesAfter: 1);
+
+  ticket.row([
+    PosColumn(
+      text: 'col3',
+      width: 3,
+      styles: PosStyles(align: PosAlign.center, underline: true),
+    ),
+    PosColumn(
+      text: 'col6',
+      width: 6,
+      styles: PosStyles(align: PosAlign.center, underline: true),
+    ),
+    PosColumn(
+      text: 'col3',
+      width: 3,
+      styles: PosStyles(align: PosAlign.center, underline: true),
+    ),
+  ]);
+
+  ticket.text('Text size 200%',
+      styles: PosStyles(
+        height: PosTextSize.size2,
+        width: PosTextSize.size2,
+      ));
+
+  // Print image
+  //final ByteData data = await rootBundle.load('assets/images/logo.png');
+  //final Uint8List bytes = data.buffer.asUint8List();
+  // Print image using alternative commands
+  // ticket.imageRaster(image);
+  // ticket.imageRaster(image, imageFn: PosImageFn.graphics);
+
+  // Print barcode
+  final List<int> barData = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 4];
+  ticket.barcode(Barcode.upcA(barData));
+
+
+
+  ticket.feed(2);
+
+  ticket.cut();
+  return ticket;
+}
+
+Future<Ticket> testTicketImage(PaperSize paper) async {
+  final Ticket ticket = Ticket(paper);
+
+  // Print image
+  final ByteData byteData = await rootBundle.load('assets/images/check.png');
+  final Uint8List bytes = byteData.buffer.asUint8List();
+  final Im.Image imagea = Im.decodeImage(bytes);
+  // Using `ESC *`
+  //ticket.image(imagea);
+  // Using `GS v 0` (obsolete)
+  //ticket.imageRaster(imagea);
+  // Using `GS ( L`
+  ticket.imageRaster(imagea, imageFn: PosImageFn.bitImageRaster);
+
+
+
+  ticket.feed(2);
+
+  ticket.cut();
+  return ticket;
+}
+
+Future<Ticket> printImageCheck(PaperSize paper, String base64Src) async {
+  final Ticket ticket = Ticket(paper);
+  final Uint8List bytes = base64Decode(base64Src);
+  final Im.Image image = Im.decodeImage(bytes);
+  //ticket.imageRaster(image, imageFn: PosImageFn.bitImageRaster);
+  ticket.image(image);
+  ticket.feed(2);
+  ticket.cut();
+  return ticket;
+}
+
+
+Future<Ticket> printTextCheck(PaperSize paper, String encoding, var data ) async {
+  final Ticket ticket = Ticket(paper);
+
+
+
+  PosCodeTable codeTable;
+  if(encoding == SettingPrinterEncodingCp866) {
+    codeTable = PosCodeTable.pc866_2;
+  } else if(encoding == SettingPrinterEncodingWin1251) {
+    codeTable = PosCodeTable.wpc1251;
+  }
+
+  ticket.setGlobalCodeTable(codeTable);
+  ticket.setGlobalFont(PosFontType.fontB);
+
+
+  String qr = data['qr'];
+
+
+  List<dynamic> rows =  data['rows'] as List;
+  for(dynamic element in rows) {
+    var text = element['text'];
+    int size = element['size'] as int;
+    bool center = element['center'] !=null ? element['center'] as bool : false;
+    if(text is List) {
+      Uint8List firstCol = await CharsetConverter.encode(encoding, (text).first as String);
+      Uint8List lastCol = await CharsetConverter.encode(encoding, (text).last as String);
+      ticket.row([
+        PosColumn(
+          textEncoded: firstCol,
+          width: 6,
+          styles: PosStyles(align: PosAlign.left),
+        ),
+        PosColumn(
+          textEncoded: lastCol,
+          width: 6,
+          styles: PosStyles(align: PosAlign.right),
+        ),
+      ]);
+    } else {
+      String line = text as String;
+      if(line == 'breakline') {
+        ticket.hr();
+      } else if(line == 'br') {
+        ticket.emptyLines(1);
+      } else {
+        Uint8List encTxt11 = await CharsetConverter.encode(encoding, line);
+        ticket.textEncoded( encTxt11, styles: PosStyles( align: center ? PosAlign.center : PosAlign.left ));
+      }
+    }
+  }
+
+  // Print barcode
+  //final List<int> barData = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 4];
+  //ticket.barcode(Barcode.upcA(barData));
+  //ticket.qrcode(qr, align: PosAlign.center);
+  ticket.emptyLines(1);
+  const double qrSize = 200;
+  try {
+    final uiImg = await QrPainter(
+      data: qr,
+      version: QrVersions.auto,
+      gapless: false,
+    ).toImageData(qrSize);
+    final dir = await getTemporaryDirectory();
+    final pathName = '${dir.path}/qr_tmp.png';
+    final qrFile = File(pathName);
+    final imgFile = await qrFile.writeAsBytes(uiImg.buffer.asUint8List());
+    final img = Im.decodeImage(imgFile.readAsBytesSync());
+
+    ticket.image(img);
+  } catch (e) {
+    print(e);
+  }
+
+
+
+  ticket.feed(2);
+
+  ticket.cut();
+  return ticket;
+}

lib/views/settings/printer/data/settings_envi.dart

@@ -0,0 +1,12 @@
+import 'package:aman_kassa_flutter/redux/constants/setting_const.dart';
+
+var encoding = {
+  SettingPrinterEncodingCp866: "CP-866",
+  SettingPrinterEncodingWin1251: "Windows-1251",
+  SettingPrinterEncodingImage: "Big-Encoding",
+};
+
+var paperSize = {
+  SettingPrinterPaperM58: "58 мм",
+  SettingPrinterPaperM80: "80 мм"
+};

lib/views/settings/printer/example/check_test.dart

@@ -0,0 +1,53 @@
+var exampleJson = {
+  "check_text": {
+    "rows": [
+      {"size": 14, "text": "", "center": true},
+      {"size": 15, "text": "breakline", "center": true},
+      {"size": 14, "text": "ТОО «Aman Systems»"},
+      {"size": 14, "text": "ИИН/БИН: 180640018960"},
+      {"size": 14, "text": "Сер. номер ККМ: TEST00000005"},
+      {"size": 14, "text": "Регистрационный номер: 123132132323"},
+      {"size": 14, "text": "Коргальджинское шоссе, д.19 оф.308"},
+      {"size": 15, "text": "breakline", "center": true},
+      {"size": 14, "text": "Продажа,Наличные, ", "center": true},
+      {"size": 15, "text": "ФИСКАЛЬНЫЙ ЧЕК №16580", "center": true},
+      {"size": 15, "text": "ФП 471369529060", "center": true},
+      {"size": 15, "text": "Дата: 03.03.2021 23:16", "center": true},
+      {"size": 15, "text": "breakline", "center": true},
+      {"size": 14, "text": "Кассир: Амантай ИХ"},
+      {"size": 14, "text": "Касса: Касса 1"},
+      {"size": 15, "text": "breakline", "center": true},
+      {"size": 15, "text": "br"},
+      {"size": 14, "text": "1. test"},
+      {"size": 14, "text": "200,00 x 1 = 200,00"},
+      {"size": 10, "text": "br"},
+      {"size": 15, "text": "breakline"},
+      {
+        "size": 17,
+        "text": ["ИТОГО:", "200,00"]
+      },
+      {
+        "size": 14,
+        "text": ["Наличные", "200,00"]
+      },
+      {"size": 15, "text": "breakline"},
+      {"size": 17, "text": "В том числе НДС:"},
+      {
+        "size": 14,
+        "text": ["12 %", "21,43"]
+      },
+      {"size": 14, "text": ""},
+      {"size": 15, "text": "breakline"},
+      {"size": 15, "text": "ОФД АО \"Транстелеком\"", "center": true},
+      {"size": 15, "text": "ofd1.kz", "center": true},
+      {"size": 14, "text": ""},
+      {"size": 15, "text": "breakline"},
+      {"size": 14, "text": "", "center": true},
+      {"size": 13, "text": "порядковый номер чека:19800", "center": true},
+      {"size": 14, "text": "Онлайн касса Aman", "center": true},
+      {"size": 14, "text": "kassa.aman.com.kz", "center": true}
+    ],
+    "qr":
+        "87.255.215.94:4000/t/?i=471369529060&f=123132132323&s=200.0&t=20210303T231651"
+  }
+};

lib/views/settings/printer/views/PrinterEncoding.dart

@@ -0,0 +1,94 @@
+import 'dart:async';
+import 'dart:typed_data';
+import 'dart:ui' as ui;
+
+import 'package:aman_kassa_flutter/core/logger.dart';
+import 'package:aman_kassa_flutter/redux/actions/setting_actions.dart';
+import 'package:aman_kassa_flutter/redux/store.dart';
+
+import 'package:esc_pos_bluetooth/esc_pos_bluetooth.dart';
+import 'package:esc_pos_utils/esc_pos_utils.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart' hide Image;
+import 'package:flutter/rendering.dart';
+
+
+import 'package:flutter_bluetooth_basic/flutter_bluetooth_basic.dart';
+import 'package:intl/intl.dart';
+import 'package:logger/logger.dart';
+
+import '../data/settings_envi.dart';
+
+
+class PrinterEncodingView extends StatefulWidget {
+  PrinterEncodingView({Key key, this.title}) : super(key: key);
+  final String title;
+
+  @override
+  _PrinterEncodingViewState createState() => _PrinterEncodingViewState();
+
+}
+
+class _PrinterEncodingViewState extends State<PrinterEncodingView> {
+
+  Logger _logger = getLogger('PrinterEncodingView');
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+
+
+
+
+  void _selectPrinter(String encoding, BuildContext context, ) async {
+    _logger.i(encoding);
+    await Redux.store.dispatch(selectPrinterEncodingFromSetting(encoding));
+    Navigator.of(context).pop(false);
+  }
+
+
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Выберите кодировку'),
+      ),
+      body: ListView.builder(
+          itemCount: encoding.keys.length,
+          itemBuilder: (BuildContext _, int index) {
+            return InkWell(
+              onTap: () => _selectPrinter(encoding.keys.elementAt(index), context),
+              child: Column(
+                children: <Widget>[
+                  Container(
+                    height: 60,
+                    padding: EdgeInsets.only(left: 10),
+                    alignment: Alignment.centerLeft,
+                    child: Row(
+                      children: <Widget>[
+                        Icon(Icons.sort_by_alpha_outlined),
+                        SizedBox(width: 10),
+                        Expanded(
+                          child: Column(
+                            crossAxisAlignment: CrossAxisAlignment.start,
+                            mainAxisAlignment: MainAxisAlignment.center,
+                            children: <Widget>[
+                              Text(encoding.values.elementAt(index) ?? ''),
+                            ],
+                          ),
+                        )
+                      ],
+                    ),
+                  ),
+                  Divider(),
+                ],
+              ),
+            );
+          }),
+    );
+  }
+
+}

lib/views/settings/printer/views/PrinterPaperSize.dart

@@ -0,0 +1,94 @@
+import 'dart:async';
+import 'dart:typed_data';
+import 'dart:ui' as ui;
+
+import 'package:aman_kassa_flutter/core/logger.dart';
+import 'package:aman_kassa_flutter/redux/actions/setting_actions.dart';
+import 'package:aman_kassa_flutter/redux/store.dart';
+
+import 'package:esc_pos_bluetooth/esc_pos_bluetooth.dart';
+import 'package:esc_pos_utils/esc_pos_utils.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart' hide Image;
+import 'package:flutter/rendering.dart';
+
+
+import 'package:flutter_bluetooth_basic/flutter_bluetooth_basic.dart';
+import 'package:intl/intl.dart';
+import 'package:logger/logger.dart';
+
+import '../data/settings_envi.dart';
+
+
+class PrinterPaperView extends StatefulWidget {
+  PrinterPaperView({Key key, this.title}) : super(key: key);
+  final String title;
+
+  @override
+  _PrinterEncodingViewState createState() => _PrinterEncodingViewState();
+
+}
+
+class _PrinterEncodingViewState extends State<PrinterPaperView> {
+
+  Logger _logger = getLogger('PrinterEncodingView');
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+
+
+
+
+  void _selectPaper(String paperSize, BuildContext context, ) async {
+    _logger.i(encoding);
+    await Redux.store.dispatch(selectPrinterPaperSizeFromSetting(paperSize));
+    Navigator.of(context).pop(false);
+  }
+
+
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Выберите ширину ленты'),
+      ),
+      body: ListView.builder(
+          itemCount: paperSize.keys.length,
+          itemBuilder: (BuildContext _, int index) {
+            return InkWell(
+              onTap: () => _selectPaper(paperSize.keys.elementAt(index), context),
+              child: Column(
+                children: <Widget>[
+                  Container(
+                    height: 60,
+                    padding: EdgeInsets.only(left: 10),
+                    alignment: Alignment.centerLeft,
+                    child: Row(
+                      children: <Widget>[
+                        Icon(Icons.sort_by_alpha_outlined),
+                        SizedBox(width: 10),
+                        Expanded(
+                          child: Column(
+                            crossAxisAlignment: CrossAxisAlignment.start,
+                            mainAxisAlignment: MainAxisAlignment.center,
+                            children: <Widget>[
+                              Text(paperSize.values.elementAt(index) ?? ''),
+                            ],
+                          ),
+                        )
+                      ],
+                    ),
+                  ),
+                  Divider(),
+                ],
+              ),
+            );
+          }),
+    );
+  }
+
+}

lib/views/settings/printer/views/PrinterSelect.dart

@@ -0,0 +1,324 @@
+import 'dart:async';
+import 'dart:typed_data';
+import 'dart:ui' as ui;
+
+import 'package:aman_kassa_flutter/core/logger.dart';
+import 'package:aman_kassa_flutter/redux/actions/setting_actions.dart';
+import 'package:aman_kassa_flutter/redux/store.dart';
+
+import 'package:esc_pos_bluetooth/esc_pos_bluetooth.dart';
+import 'package:esc_pos_utils/esc_pos_utils.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart' hide Image;
+import 'package:flutter/rendering.dart';
+
+
+import 'package:flutter_bluetooth_basic/flutter_bluetooth_basic.dart';
+import 'package:intl/intl.dart';
+import 'package:logger/logger.dart';
+
+import '../PrinterTest.dart';
+
+
+class PrinterSelectView extends StatefulWidget {
+  PrinterSelectView({Key key, this.title}) : super(key: key);
+  final String title;
+
+  @override
+  _PrinterSelectViewState createState() => _PrinterSelectViewState();
+
+}
+
+class _PrinterSelectViewState extends State<PrinterSelectView> {
+  PrinterBluetoothManager printerManager = PrinterBluetoothManager();
+  List<PrinterBluetooth> _devices = [];
+  Logger _logger = getLogger('PrinterSelectView');
+
+  @override
+  void initState() {
+    super.initState();
+
+    printerManager.scanResults.listen((devices) async {
+      // print('UI: Devices found ${devices.length}');
+      setState(() {
+        _devices = devices;
+      });
+    });
+    _startScanDevices();
+  }
+
+  void _startScanDevices() {
+    setState(() {
+      _devices = [];
+    });
+    printerManager.startScan(Duration(seconds: 4));
+  }
+
+  void _stopScanDevices() {
+    printerManager.stopScan();
+  }
+
+  Future<Ticket> demoReceipt(PaperSize paper) async {
+    final Ticket ticket = Ticket(paper, );
+
+    // Print image
+    // final ByteData data = await rootBundle.load('assets/images/aman_kassa_check.png');
+    // final Uint8List bytes = data.buffer.asUint8List();
+    // final Im.Image image = Im.decodeImage(bytes);
+    // Im.Image thumbnail = Im.copyResize(image, width: 270);
+    // ticket.image(thumbnail, align: PosAlign.center);
+
+    //ticket.imageRaster(image, align: PosAlign.center);
+
+    ticket.text('AMAN-SATU',
+        styles: PosStyles(
+          align: PosAlign.center,
+          height: PosTextSize.size2,
+          width: PosTextSize.size2,
+        ),
+        linesAfter: 1);
+
+    ticket.text('889  Watson Lane', styles: PosStyles(align: PosAlign.center));
+    ticket.text('Русский язык', styles: PosStyles(align: PosAlign.center, codeTable: PosCodeTable.westEur), containsChinese: true);
+    ticket.text('Русский язык', styles: PosStyles(align: PosAlign.center, fontType: PosFontType.fontA), containsChinese: true);
+    ticket.text('Русский язык', styles: PosStyles(align: PosAlign.center, fontType: PosFontType.fontB), containsChinese: true);
+    ticket.text('Русский язык', styles: PosStyles(align: PosAlign.center, height: PosTextSize.size1), containsChinese: true);
+    ticket.text('Русский язык', styles: PosStyles(align: PosAlign.center, width: PosTextSize.size2), containsChinese: true);
+    ticket.text('Русский язык', styles: PosStyles(align: PosAlign.center, width: PosTextSize.size3), containsChinese: true);
+    ticket.text('Русский язык', styles: PosStyles(align: PosAlign.center, width: PosTextSize.size4), containsChinese: true);
+    ticket.text('Tel: 830-221-1234', styles: PosStyles(align: PosAlign.center));
+    ticket.text('Web: www.example.com',
+        styles: PosStyles(align: PosAlign.center), linesAfter: 1);
+
+    ticket.hr();
+    ticket.row([
+      PosColumn(text: 'Qty', width: 1),
+      PosColumn(text: 'Item', width: 7),
+      PosColumn(
+          text: 'Price', width: 2, styles: PosStyles(align: PosAlign.right)),
+      PosColumn(
+          text: 'Total', width: 2, styles: PosStyles(align: PosAlign.right)),
+    ]);
+
+    ticket.row([
+      PosColumn(text: '2', width: 1),
+      PosColumn(text: 'ONION RINGS', width: 7),
+      PosColumn(
+          text: '0.99', width: 2, styles: PosStyles(align: PosAlign.right)),
+      PosColumn(
+          text: '1.98', width: 2, styles: PosStyles(align: PosAlign.right)),
+    ]);
+    ticket.row([
+      PosColumn(text: '1', width: 1),
+      PosColumn(text: 'PIZZA', width: 7),
+      PosColumn(
+          text: '3.45', width: 2, styles: PosStyles(align: PosAlign.right)),
+      PosColumn(
+          text: '3.45', width: 2, styles: PosStyles(align: PosAlign.right)),
+    ]);
+    ticket.row([
+      PosColumn(text: '1', width: 1),
+      PosColumn(text: 'SPRING ROLLS', width: 7),
+      PosColumn(
+          text: '2.99', width: 2, styles: PosStyles(align: PosAlign.right)),
+      PosColumn(
+          text: '2.99', width: 2, styles: PosStyles(align: PosAlign.right)),
+    ]);
+    ticket.row([
+      PosColumn(text: '3', width: 1),
+      PosColumn(text: 'CRUNCHY STICKS', width: 7),
+      PosColumn(
+          text: '0.85', width: 2, styles: PosStyles(align: PosAlign.right)),
+      PosColumn(
+          text: '2.55', width: 2, styles: PosStyles(align: PosAlign.right)),
+    ]);
+    ticket.hr();
+
+    ticket.row([
+      PosColumn(
+          text: 'TOTAL',
+          width: 6,
+          styles: PosStyles(
+            height: PosTextSize.size2,
+            width: PosTextSize.size2,
+          )),
+      PosColumn(
+          text: '\$10.97',
+          width: 6,
+          styles: PosStyles(
+            align: PosAlign.right,
+            height: PosTextSize.size2,
+            width: PosTextSize.size2,
+          )),
+    ]);
+
+    ticket.hr(ch: '=', linesAfter: 1);
+
+    ticket.row([
+      PosColumn(
+          text: 'Cash',
+          width: 7,
+          styles: PosStyles(align: PosAlign.right, width: PosTextSize.size2)),
+      PosColumn(
+          text: '\$15.00',
+          width: 5,
+          styles: PosStyles(align: PosAlign.right, width: PosTextSize.size2)),
+    ]);
+    ticket.row([
+      PosColumn(
+          text: 'Change',
+          width: 7,
+          styles: PosStyles(align: PosAlign.right, width: PosTextSize.size2)),
+      PosColumn(
+          text: '\$4.03',
+          width: 5,
+          styles: PosStyles(align: PosAlign.right, width: PosTextSize.size2)),
+    ]);
+
+    ticket.feed(2);
+    ticket.text('Thank you!',
+        styles: PosStyles(align: PosAlign.center, bold: true));
+
+    final now = DateTime.now();
+    final formatter = DateFormat('MM/dd/yyyy H:m');
+    final String timestamp = formatter.format(now);
+    ticket.text(timestamp,
+        styles: PosStyles(align: PosAlign.center), linesAfter: 2);
+
+    // Print QR Code from image
+    // try {
+    //   const String qrData = 'example.com';
+    //   const double qrSize = 200;
+    //   final uiImg = await QrPainter(
+    //     data: qrData,
+    //     version: QrVersions.auto,
+    //     gapless: false,
+    //   ).toImageData(qrSize);
+    //   final dir = await getTemporaryDirectory();
+    //   final pathName = '${dir.path}/qr_tmp.png';
+    //   final qrFile = File(pathName);
+    //   final imgFile = await qrFile.writeAsBytes(uiImg.buffer.asUint8List());
+    //   final img = decodeImage(imgFile.readAsBytesSync());
+
+    //   ticket.image(img);
+    // } catch (e) {
+    //   print(e);
+    // }
+
+    // Print QR Code using native function
+    // ticket.qrcode('example.com');
+
+    ticket.feed(2);
+    ticket.cut();
+    return ticket;
+  }
+
+
+
+  void _selectPrinter(PrinterBluetooth printer, BuildContext context, ) async {
+    printerManager.selectPrinter(printer);
+    _logger.i(printer.name);
+    _logger.i(printer.address);
+
+    BluetoothDevice device = new BluetoothDevice()
+      ..address = printer.address
+      ..name=printer.name
+      ..type=printer.type;
+
+    await Redux.store.dispatch(selectPrinterFromSetting(device));
+    Navigator.of(context).pop(false);
+  }
+
+  void _testPrint(PrinterBluetooth printer) async {
+    printerManager.selectPrinter(printer);
+
+    // TODO Don't forget to choose printer's paper
+    const PaperSize paper = PaperSize.mm58;
+
+    // TEST PRINT
+    // final PosPrintResult res =
+    // await printerManager.printTicket(await testTicket(paper), queueSleepTimeMs: 50);
+
+    final PosPrintResult res =
+     await printerManager.printTicket(
+         await testTicketImage(paper),
+         chunkSizeBytes: 1024,
+         queueSleepTimeMs: 50
+     );
+
+    // DEMO RECEIPT
+    // final PosPrintResult res =
+    // await printerManager.printTicket(await demoReceipt(paper) , queueSleepTimeMs: 50);
+
+  }
+
+  final key = GlobalKey();
+
+  @override
+  Widget build(BuildContext context) {
+    return RepaintBoundary(
+      key: key,
+      child: Scaffold(
+        appBar: AppBar(
+          title: Text('Выберите принтер'),
+        ),
+        body: ListView.builder(
+            itemCount: _devices.length,
+            itemBuilder: (BuildContext _, int index) {
+              return InkWell(
+                onTap: () => _selectPrinter(_devices[index], context),
+                child: Column(
+                  children: <Widget>[
+                    Container(
+                      height: 60,
+                      padding: EdgeInsets.only(left: 10),
+                      alignment: Alignment.centerLeft,
+                      child: Row(
+                        children: <Widget>[
+                          Icon(Icons.print),
+                          SizedBox(width: 10),
+                          Expanded(
+                            child: Column(
+                              crossAxisAlignment: CrossAxisAlignment.start,
+                              mainAxisAlignment: MainAxisAlignment.center,
+                              children: <Widget>[
+                                Text(_devices[index].name ?? ''),
+                                Text(_devices[index].address),
+                                Text(
+                                  'Click to print a test receipt',
+                                  style: TextStyle(color: Colors.grey[700]),
+                                ),
+                              ],
+                            ),
+                          )
+                        ],
+                      ),
+                    ),
+                    Divider(),
+                  ],
+                ),
+              );
+            }),
+        floatingActionButton: StreamBuilder<bool>(
+          stream: printerManager.isScanningStream,
+          initialData: false,
+          builder: (c, snapshot) {
+            if (snapshot.data) {
+              return FloatingActionButton(
+                child: Icon(Icons.stop),
+                onPressed: _stopScanDevices,
+                backgroundColor: Colors.red,
+              );
+            } else {
+              return FloatingActionButton(
+                child: Icon(Icons.search),
+                onPressed: _startScanDevices,
+              );
+            }
+          },
+        ),
+      ),
+    );
+  }
+
+}

lib/views/settings/setting_printer_view.dart

@@ -0,0 +1,121 @@
+import 'dart:typed_data';
+
+import 'package:aman_kassa_flutter/core/locator.dart';
+import 'package:aman_kassa_flutter/core/route_names.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/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/widgets/fields/aman_icon_button_horizontal.dart';
+import 'package:esc_pos_bluetooth/esc_pos_bluetooth.dart';
+import 'package:esc_pos_utils/esc_pos_utils.dart';
+import 'package:flutter/material.dart';
+import 'package:aman_kassa_flutter/views/settings/printer/PrinterTest.dart';
+import 'package:flutter_redux/flutter_redux.dart';
+
+import 'component/setting_item.dart';
+import './printer/data/settings_envi.dart';
+import './printer/example/check_test.dart';
+
+class SettingPrinterView extends StatefulWidget {
+  @override
+  _SettingPrinterViewState createState() => _SettingPrinterViewState();
+}
+
+class _SettingPrinterViewState extends State<SettingPrinterView> {
+  NavigatorService _navigatorService = locator<NavigatorService>();
+  final DialogService _dialogService = locator<DialogService>();
+  PrinterBluetoothManager printerManager = PrinterBluetoothManager();
+
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+
+  void _testPrint() async {
+    final SettingState state = Redux.store.state.settingState;
+    printerManager.selectPrinter(PrinterBluetooth(state.printerBT));
+    // TODO Don't forget to choose printer's paper
+    PaperSize paper = state.printerPaperSize == SettingPrinterPaperM80 ? PaperSize.mm80 : PaperSize.mm58;
+    if(SettingPrinterEncodingImage == state.printerEncoding) {
+      final PosPrintResult res = await printerManager.printTicket(
+          await testTicketImage(paper),
+          chunkSizeBytes: 3096,
+          queueSleepTimeMs: 50
+      );
+      _dialogService.showDialog(description: res.msg);
+    } else {
+      final PosPrintResult res = await printerManager.printTicket(
+          await printTextCheck(paper, state.printerEncoding, exampleJson['check_text']),
+          chunkSizeBytes: 3096,
+          queueSleepTimeMs: 50
+      );
+      _dialogService.showDialog(description: res.msg);
+    }
+
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Настройка принтера'),
+      ),
+      body: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 8.0),
+        child: StoreConnector<AppState, SettingState>(
+            converter: (store) => store.state.settingState,
+            builder: (context, vm) {
+              return Column(
+                children: [
+                  SettingItem(
+                      title: 'Принтер',
+                      name: vm.printerBT?.name,
+                      value: vm.printerBT != null
+                          ? 'BT: ${vm.printerBT.address} '
+                          : 'не выбран',
+                      onTap: () {
+                        _navigatorService.push(SettingsPrinterBTRoute);
+                      }),
+                  SettingItem(
+                      title: 'Кодировка',
+                      name: vm.printerEncoding != null ? encoding[vm.printerEncoding] : null ,
+                      onTap: () {
+                        _navigatorService.push(SettingsPrinterEncodingRoute);
+                      }),
+                  SettingItem(
+                      title: 'Ширина ленты',
+                      name: vm.printerPaperSize != null ? paperSize[vm.printerPaperSize] : null ,
+                      onTap: () {
+                        _navigatorService.push(SettingsPrinterPaperRoute);
+                      }),
+                  Expanded(
+                    child: Padding(
+                      padding: const EdgeInsets.only(bottom: 24.0),
+                      child: Column(
+                        mainAxisAlignment: MainAxisAlignment.end,
+                        children: [
+                          AmanIconButtonHorizontal(
+                            icon: Icons.local_printshop_outlined,
+                            title: 'Напечатать тестовую страницу',
+                            activeColor: primaryColor,
+                            selected: vm.printerBT != null,
+                            onPressed: () {
+                              _testPrint();
+                            },
+                          ),
+                        ],
+                      ),
+                    ),
+                  )
+                ],
+              );
+            }),
+      ),
+    );
+  }
+}

pubspec.lock

@@ -1,13 +1,27 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.13"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.6.0"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0-nullsafety.1"
+    version: "2.5.0"
   auto_size_text:
     dependency: "direct main"
     description:
@@ -28,35 +42,42 @@ packages:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.1"
+    version: "2.1.0"
   characters:
     dependency: transitive
     description:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.3"
+    version: "1.1.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.2.0"
+  charset_converter:
+    dependency: "direct main"
+    description:
+      name: charset_converter
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.1"
+    version: "1.1.0"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0-nullsafety.3"
+    version: "1.15.0"
   convert:
     dependency: transitive
     description:
@@ -71,6 +92,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.5"
+  csslib:
+    dependency: transitive
+    description:
+      name: csslib
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.16.2"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -99,6 +127,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.5"
+  esc_pos_bluetooth:
+    dependency: "direct main"
+    description:
+      name: esc_pos_bluetooth
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.8"
+  esc_pos_utils:
+    dependency: "direct main"
+    description:
+      name: esc_pos_utils
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.6"
   esys_flutter_share:
     dependency: "direct main"
     description:
@@ -112,7 +154,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.2.0"
   ffi:
     dependency: transitive
     description:
@@ -139,6 +181,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_bluetooth_basic:
+    dependency: "direct main"
+    description:
+      name: flutter_bluetooth_basic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.5"
   flutter_lock_screen:
     dependency: "direct main"
     description:
@@ -177,6 +226,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  gbk_codec:
+    dependency: transitive
+    description:
+      name: gbk_codec
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.2"
   get_it:
     dependency: "direct main"
     description:
@@ -191,6 +247,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.1"
+  hex:
+    dependency: transitive
+    description:
+      name: hex
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.2"
+  html:
+    dependency: transitive
+    description:
+      name: html
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.14.0+4"
   http:
     dependency: "direct main"
     description:
@@ -205,6 +275,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.1.4"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.19"
   intl:
     dependency: "direct main"
     description:
@@ -212,6 +289,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.16.1"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.3"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.1"
   local_auth:
     dependency: "direct main"
     description:
@@ -239,7 +330,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10-nullsafety.1"
+    version: "0.12.10"
   material_design_icons_flutter:
     dependency: "direct main"
     description:
@@ -253,7 +344,7 @@ packages:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.3"
+    version: "1.3.0"
   nested:
     dependency: transitive
     description:
@@ -267,7 +358,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety.1"
+    version: "1.8.0"
   path_provider:
     dependency: "direct main"
     description:
@@ -310,6 +401,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.9.2"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
   platform:
     dependency: transitive
     description:
@@ -394,6 +492,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.3.0"
+  rxdart:
+    dependency: transitive
+    description:
+      name: rxdart
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.23.1"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -447,7 +552,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety.2"
+    version: "1.8.0"
   sqflite:
     dependency: "direct main"
     description:
@@ -468,21 +573,21 @@ packages:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.10.0-nullsafety.1"
+    version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.1"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.1"
+    version: "1.1.0"
   synchronized:
     dependency: transitive
     description:
@@ -496,21 +601,21 @@ packages:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.19-nullsafety.2"
+    version: "0.2.19"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.3"
+    version: "1.3.0"
   url_launcher:
     dependency: "direct main"
     description:
@@ -559,7 +664,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.3"
+    version: "2.1.0"
   win32:
     dependency: transitive
     description:
@@ -574,6 +679,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.2"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.5.1"
 sdks:
-  dart: ">=2.10.2 <2.11.0"
+  dart: ">=2.12.0-0.0 <3.0.0"
-  flutter: ">=1.22.2 <2.0.0"
+  flutter: ">=1.22.2"

pubspec.yaml

@@ -34,6 +34,10 @@ dependencies:
     shared_preferences: ^0.5.12+4
     flutter_lock_screen: ^1.0.8
     local_auth: ^0.6.3+4
+    esc_pos_bluetooth: ^0.2.8
+    flutter_bluetooth_basic: ^0.1.5
+    esc_pos_utils: ^0.3.6 # no edit for esc_pos_bluetooth: ^0.2.8
+    charset_converter: ^1.0.3
 dev_dependencies:
     flutter_test:
         sdk: flutter