print images

android/app/build.gradle

@@ -34,7 +34,7 @@ if (keystorePropertiesFile.exists()) {
 
 
 android {
-    compileSdkVersion 29
+    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 29
+        targetSdkVersion 30
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"

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

@@ -5,4 +5,8 @@ const String PaymentViewRoute = "PaymentView";
 const String HistoryViewRoute = "HistoryView";
 const String InfoKkmViewRoute = "InfoKkmViewRoute";
 const String QrViewRoute = "QrViewRoute";
+
+
+const String SettingsPrinterRoute = "SettingsPrinterRoute";
+const String SettingsPrinterBTRoute = "SettingsPrinterBTRoute";
 // Generate the views here

lib/core/router.dart

@@ -3,6 +3,8 @@ 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/PrinterSelect.dart';
+import 'package:aman_kassa_flutter/views/settings/setting_printer_view.dart';
 
 import './route_names.dart';
 import 'package:aman_kassa_flutter/views/home/home_view.dart';
@@ -51,6 +53,16 @@ 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(),
+      );
     default:
       return MaterialPageRoute(
           builder: (_) => Scaffold(

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
@@ -24,3 +24,9 @@ ThunkAction<AppState> changeTradeTypeFromSetting(String tradeType) {
     store.dispatch(SetSettingStateAction(SettingState(tradeType: tradeType )));
   };
 }
+
+ThunkAction<AppState> selectPrinterFromSetting(BluetoothDevice device) {
+  return (Store<AppState> store) async {
+    store.dispatch(SetSettingStateAction(SettingState(printerBT: device )));
+  };
+}

lib/redux/constants/setting_const.dart

@@ -4,3 +4,4 @@ const String SettingModeCalc = 'calcMode';
 
 const String SettingTradeTypeGood = 'g';
 const String SettingTradeTypeService = 's';
+

lib/redux/reducers/setting_reducer.dart

@@ -5,6 +5,7 @@ settingReducer(SettingState prevState, SetSettingStateAction action) {
   final payload = action.settingState;
   return prevState.copyWith(
     mode: payload.mode,
-    tradeType: payload.tradeType
+    tradeType: payload.tradeType,
+    printerBT: payload.printerBT
   );
 }

lib/redux/state/setting_state.dart

@@ -1,28 +1,35 @@
 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 {
   final String mode;
   final String tradeType;
+  final BluetoothDevice printerBT;
 
-  SettingState({this.mode, this.tradeType});
+  SettingState({this.mode, this.tradeType, this.printerBT});
 
   //read hive
   factory SettingState.initial(SettingState payload) {
     return SettingState(
         mode: payload?.mode ?? SettingModeKassa,
-        tradeType: payload?.tradeType ?? SettingTradeTypeGood);
+        tradeType: payload?.tradeType ?? SettingTradeTypeGood,
+        printerBT: payload?.printerBT ?? null
+    );
   }
 
   //write hive
   SettingState copyWith({
     @required mode,
     @required tradeType,
+    @required printerBT,
   }) {
     return SettingState(
       mode: mode ?? this.mode,
       tradeType: tradeType ?? this.tradeType,
+      printerBT: printerBT ?? this.printerBT
     );
   }
 
@@ -31,11 +38,16 @@ class SettingState {
         ? SettingState(
             tradeType: json['tradeType'],
             mode: json['mode'],
+            printerBT: json['printerBT']!=null ? BluetoothDevice.fromJson(json['printerBT']) : null
           )
         : null;
   }
 
   dynamic toJson() {
-    return {"tradeType": tradeType, "mode": mode};
+    return {
+      "tradeType": tradeType,
+      "mode": mode,
+      "printerBT": printerBT !=null ? printerBT.toJson() : null
+    };
   }
 }

lib/views/check/image_show_container.dart

@@ -5,10 +5,15 @@ 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/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/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';
@@ -59,9 +64,18 @@ class _MyFloatingActionButtonState extends State<MyFloatingActionButton> {
   bool showFab = true;
   DialogService _dialog = locator<DialogService>();
   NavigatorService _navigatorService = locator<NavigatorService>();
+  PrinterBluetoothManager printerManager = PrinterBluetoothManager();
+  final DialogService _dialogService = locator<DialogService>();
+  BluetoothDevice printerBtDevice = Redux.store.state.settingState.printerBT;
+
+  double sheetHeight = 260;
 
   @override
   Widget build(BuildContext context) {
+    if ( printerBtDevice != null){
+      sheetHeight = 340;
+    }
+
     return showFab
         ? FloatingActionButton(
             child: Icon(Icons.share),
@@ -79,7 +93,7 @@ class _MyFloatingActionButtonState extends State<MyFloatingActionButton> {
                                 color: Colors.grey[300],
                                 spreadRadius: 5)
                           ]),
-                      height: 260,
+                      height: sheetHeight,
                       child: Column(
                         children: <Widget>[
                           verticalSpaceSmall,
@@ -102,9 +116,17 @@ class _MyFloatingActionButtonState extends State<MyFloatingActionButton> {
                           BusyButtonIcon(
                             title: 'Поделиться',
                             onPressed: shareFile,
-                            mainColor: yellowColor,
+                            mainColor: redColor,
                             icon: Icons.share,
                           ),
+                          verticalSpaceSmall,
+                          BusyButtonIcon(
+                            title: 'Печать',
+                            onPressed: printFile,
+                            mainColor: primaryColor,
+                            icon: Icons.print,
+                          ),
+
                         ],
                       )));
               showFoatingActionButton(false);
@@ -125,6 +147,23 @@ class _MyFloatingActionButtonState extends State<MyFloatingActionButton> {
     }
   }
 
+  void printFile() async {
+    Navigator.of(context).pop(false);
+
+    printerManager.selectPrinter(PrinterBluetooth(Redux.store.state.settingState.printerBT));
+    // TODO Don't forget to choose printer's paper
+    const PaperSize paper = PaperSize.mm58;
+    final PosPrintResult res =
+    await printerManager.printTicket(
+        await printImageCheck(paper,widget.data.data ),
+        chunkSizeBytes: 3096,
+        queueSleepTimeMs: 50
+    );
+    if(res.value != 1) {
+      _dialogService.showDialog(description: res.msg);
+    }
+  }
+
   void qrGenerate() async {
     _navigatorService.push(QrViewRoute,
         arguments:

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: 'Принтер', icon: Icons.print, command: 'print'),
   const Choice(title: 'Выйти', icon: Icons.exit_to_app, command: 'exit')
 ];
 

lib/views/home/home_view.dart

@@ -64,6 +64,8 @@ class _HomeViewState extends State<HomeView> {
       Navigator.of(_keyLoader.currentContext, rootNavigator: true).pop();
     } else if (choice.command == 'infokkm') {
       _navigatorService.push(InfoKkmViewRoute);
+    } else if (choice.command == 'print') {
+      _navigatorService.push(SettingsPrinterRoute);
     }
   }
 

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/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/printer/PrinterTest.dart

@@ -0,0 +1,139 @@
+import 'dart:convert';
+import 'dart:typed_data';
+
+import 'package:esc_pos_utils/esc_pos_utils.dart';
+import 'package:flutter/services.dart';
+import 'package:image/image.dart' as Im;
+
+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.feed(2);
+  ticket.cut();
+  return ticket;
+}

lib/views/settings/setting_printer_view.dart

@@ -0,0 +1,97 @@
+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/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';
+
+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 {
+    printerManager.selectPrinter(PrinterBluetooth(Redux.store.state.settingState.printerBT));
+    // TODO Don't forget to choose printer's paper
+    const PaperSize paper = PaperSize.mm58;
+    final PosPrintResult res =
+    await printerManager.printTicket(
+        await testTicketImage(paper),
+        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);
+                      }),
+                  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

@@ -1,6 +1,20 @@
 # 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:
@@ -43,6 +57,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0-nullsafety.1"
+  charset_converter:
+    dependency: "direct main"
+    description:
+      name: charset_converter
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
   clock:
     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:
@@ -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_redux:
     dependency: "direct main"
     description:
@@ -163,6 +212,13 @@ 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:
@@ -177,6 +233,20 @@ 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:
@@ -191,6 +261,13 @@ 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:
@@ -198,6 +275,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.16.1"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.1"
   logger:
     dependency: "direct main"
     description:
@@ -289,6 +373,13 @@ 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:
@@ -373,6 +464,13 @@ 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: transitive
     description:
@@ -553,6 +651,13 @@ 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"
   flutter: ">=1.22.2 <2.0.0"

pubspec.yaml

@@ -31,6 +31,10 @@ dependencies:
     qr_flutter: ^3.2.0
     mask_text_input_formatter: ^1.2.1
     flutter_screenutil: ^2.3.1
+    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
@@ -40,8 +44,7 @@ flutter:
 
   # To add assets to your application, add an assets section, like this:
     assets:
-    - assets/images/logo.png
+    - assets/images/
-    - assets/images/icon_large.png
     - assets/lang/en.json
     - assets/lang/ru.json
     - assets/google_fonts/