flutter/max_print_plus
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Tothemax Dev
2024-09-27 13:30:11 +07:00
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lib/max_print copy.dart Normal file
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// library max_print_dialog;
// import 'dart:async';
// import 'dart:developer';
// import 'dart:io';
// import 'package:flutter/material.dart';
// import 'package:thermal_printer/esc_pos_utils_platform/esc_pos_utils_platform.dart';
// import 'package:thermal_printer/thermal_printer.dart';
// import 'my_button.dart';
// import 'printer_devices.dart';
// class MaxPrintPage extends StatefulWidget {
// Function()? onSuccess;
// PreferredSizeWidget? appBar;
// String? title, description;
// Color? btnOkTextColor,
// btnOkBorderColor,
// btnOkColor,
// btnCancelTextColor,
// btnCancelBorderColor,
// btnCancelColor;
// double? btnRadius, btnHeight, btnWidth;
// List<int> bytes;
// Generator generator;
// Function()? onCancelTap;
// MaxPrintPage(
// {Key? key,
// required this.appBar,
// required this.bytes,
// required this.generator,
// this.onSuccess,
// this.description,
// this.title,
// this.btnOkBorderColor,
// this.btnOkColor,
// this.btnRadius,
// this.btnOkTextColor,
// this.btnCancelBorderColor,
// this.btnCancelColor,
// this.btnCancelTextColor,
// this.btnHeight,
// this.btnWidth,
// this.onCancelTap})
// : super(key: key);
// @override
// _MaxPrintPageState createState() => _MaxPrintPageState();
// }
// class _MaxPrintPageState extends State<MaxPrintPage> {
// bool isLoadingButton = false;
// // Thermal
// var defaultPrinterType = PrinterType.bluetooth;
// var _isBle = false;
// var _reconnect = false;
// var _isConnected = false;
// var printerManager = PrinterManager.instance;
// var devices = <PrinterDevices>[];
// StreamSubscription<PrinterDevice>? _subscription;
// StreamSubscription<BTStatus>? _subscriptionBtStatus;
// StreamSubscription<USBStatus>? _subscriptionUsbStatus;
// StreamSubscription<TCPStatus>? _subscriptionTCPStatus;
// BTStatus _currentStatus = BTStatus.none;
// // ignore: unused_field
// TCPStatus _currentTCPStatus = TCPStatus.none;
// // _currentUsbStatus is only supports on Android
// // ignore: unused_field
// USBStatus _currentUsbStatus = USBStatus.none;
// List<int>? pendingTask;
// final String _ipAddress = '';
// String _port = '9100';
// final _ipController = TextEditingController();
// final _portController = TextEditingController();
// PrinterDevices? selectedPrinter;
// @override
// void initState() {
// _initialize();
// super.initState();
// }
// @override
// void dispose() {
// _subscription?.cancel();
// _subscriptionBtStatus?.cancel();
// _subscriptionUsbStatus?.cancel();
// _subscriptionTCPStatus?.cancel();
// _portController.dispose();
// _ipController.dispose();
// super.dispose();
// }
// @override
// Widget build(BuildContext context) {
// return Scaffold(
// backgroundColor: const Color(0xFFFAFAFA),
// bottomNavigationBar: Padding(
// padding: const EdgeInsets.all(16),
// child: Row(
// mainAxisSize: MainAxisSize.min,
// children: [
// Flexible(
// child: MyButton(
// width: double.infinity,
// text: 'Tutup',
// textColor: widget.btnCancelTextColor ?? Colors.black,
// borderColor: widget.btnCancelBorderColor ?? Colors.amber,
// color: widget.btnCancelColor ?? Colors.white,
// press: widget.onCancelTap ??
// () {
// Navigator.pop(context);
// })),
// const SizedBox(
// width: 16.0,
// ),
// Flexible(
// child: MyButton(
// width: double.infinity,
// textColor: widget.btnOkTextColor,
// borderColor: widget.btnOkBorderColor,
// color: widget.btnOkColor,
// text: 'Cetak',
// press: () {
// _printReceiveTest();
// }))
// ],
// ),
// ),
// appBar: widget.appBar,
// body: _buildView(context));
// }
// _buildView(BuildContext context) {
// return Padding(
// padding: const EdgeInsets.all(20.0),
// child: ListView(
// shrinkWrap: true,
// children: [
// const SizedBox(
// height: 16.0,
// ),
// const Text(
// 'Daftar perangkat :',
// style: TextStyle(color: Color(0xFF0E0F0F), fontSize: 16.0),
// ),
// const SizedBox(
// height: 10.0,
// ),
// // Row(
// // children: [
// // _chipOption(label: 'BT', val: PrinterType.bluetooth),
// // _chipOption(label: 'IP', val: PrinterType.network),
// // ],
// // ),
// Container(
// decoration: BoxDecoration(
// borderRadius: BorderRadius.circular(16.0), color: Colors.white),
// child: Material(
// color: Colors.transparent,
// child: Column(
// children: devices
// .map(
// (device) => ListTile(
// title: Row(
// crossAxisAlignment: CrossAxisAlignment.center,
// children: [
// Text(
// '${device.deviceName}',
// maxLines: 1,
// style: const TextStyle(
// fontWeight: FontWeight.w600,
// fontSize: 16.0),
// ),
// const SizedBox(
// width: 6.0,
// ),
// selectedPrinter != null &&
// ((device.typePrinter ==
// PrinterType.usb &&
// Platform.isWindows
// ? device.deviceName ==
// selectedPrinter!.deviceName
// : device.vendorId != null &&
// selectedPrinter!.vendorId ==
// device.vendorId) ||
// (device.address != null &&
// selectedPrinter!.address ==
// device.address))
// ? const Icon(
// Icons.check_circle,
// color: Colors.green,
// size: 16.0,
// )
// : const SizedBox()
// ],
// ),
// subtitle: Platform.isAndroid &&
// defaultPrinterType == PrinterType.usb
// ? null
// : Visibility(
// visible: !Platform.isWindows,
// child: Text("${device.address}")),
// onTap: () async {
// // do something
// selectDevice(device);
// _connectDevice();
// await device.saveToPrefs();
// },
// trailing: Material(
// color: Colors.transparent,
// child: IconButton(
// onPressed: selectedPrinter == null ||
// device.deviceName !=
// selectedPrinter?.deviceName
// ? null
// : () async {
// _connectDevice();
// await selectedPrinter!.saveToPrefs();
// },
// icon: Image.asset(
// device.deviceName ==
// selectedPrinter?.deviceName
// ? 'assets/ic_connect_on.png'
// : 'assets/ic_connect_off.png',
// package: 'max_print_dialog',
// )),
// )),
// )
// .toList()),
// ),
// ),
// const SizedBox(
// height: 16.0,
// ),
// ],
// ),
// );
// }
// void _scan() {
// devices.clear();
// _subscription = printerManager
// .discovery(type: defaultPrinterType, isBle: _isBle)
// .listen((device) {
// devices.add(PrinterDevices(
// deviceName: device.name,
// address: device.address,
// isBle: _isBle,
// vendorId: device.vendorId,
// productId: device.productId,
// typePrinter: defaultPrinterType,
// ));
// setState(() {});
// });
// }
// _connectDevice() async {
// _isConnected = false;
// if (selectedPrinter == null) return;
// switch (selectedPrinter!.typePrinter) {
// case PrinterType.usb:
// await printerManager.connect(
// type: selectedPrinter!.typePrinter,
// model: UsbPrinterInput(
// name: selectedPrinter!.deviceName,
// productId: selectedPrinter!.productId,
// vendorId: selectedPrinter!.vendorId));
// _isConnected = true;
// break;
// case PrinterType.bluetooth:
// await printerManager.connect(
// type: selectedPrinter!.typePrinter,
// model: BluetoothPrinterInput(
// name: selectedPrinter!.deviceName,
// address: selectedPrinter!.address!,
// isBle: selectedPrinter!.isBle ?? false,
// autoConnect: _reconnect));
// break;
// case PrinterType.network:
// await printerManager.connect(
// type: selectedPrinter!.typePrinter,
// model: TcpPrinterInput(ipAddress: selectedPrinter!.address!));
// _isConnected = true;
// break;
// default:
// }
// setState(() {});
// }
// void selectDevice(PrinterDevices device) async {
// if (selectedPrinter != null) {
// if ((device.address != selectedPrinter!.address) ||
// (device.typePrinter == PrinterType.usb &&
// selectedPrinter!.vendorId != device.vendorId)) {
// await PrinterManager.instance
// .disconnect(type: selectedPrinter!.typePrinter);
// }
// }
// selectedPrinter = device;
// setState(() {});
// }
// _printReceiveTest() {
// _printEscPos(widget.bytes, widget.generator);
// widget.onSuccess!();
// }
// /// print ticket
// void _printEscPos(List<int> bytes, Generator generator) async {
// var connectedTCP = false;
// if (selectedPrinter == null) return;
// var bluetoothPrinter = selectedPrinter!;
// switch (bluetoothPrinter.typePrinter) {
// case PrinterType.usb:
// bytes += generator.feed(2);
// bytes += generator.cut();
// await printerManager.connect(
// type: bluetoothPrinter.typePrinter,
// model: UsbPrinterInput(
// name: bluetoothPrinter.deviceName,
// productId: bluetoothPrinter.productId,
// vendorId: bluetoothPrinter.vendorId));
// pendingTask = null;
// break;
// case PrinterType.bluetooth:
// bytes += generator.cut();
// await printerManager.connect(
// type: bluetoothPrinter.typePrinter,
// model: BluetoothPrinterInput(
// name: bluetoothPrinter.deviceName,
// address: bluetoothPrinter.address!,
// isBle: bluetoothPrinter.isBle ?? false,
// autoConnect: _reconnect));
// pendingTask = null;
// if (Platform.isAndroid) pendingTask = bytes;
// break;
// case PrinterType.network:
// bytes += generator.feed(2);
// bytes += generator.cut();
// connectedTCP = await printerManager.connect(
// type: bluetoothPrinter.typePrinter,
// model: TcpPrinterInput(ipAddress: bluetoothPrinter.address!));
// if (!connectedTCP) print(' --- please review your connection ---');
// break;
// default:
// }
// if (bluetoothPrinter.typePrinter == PrinterType.bluetooth &&
// Platform.isAndroid) {
// if (_currentStatus == BTStatus.connected) {
// printerManager.send(type: bluetoothPrinter.typePrinter, bytes: bytes);
// pendingTask = null;
// }
// } else {
// printerManager.send(type: bluetoothPrinter.typePrinter, bytes: bytes);
// }
// }
// Future<void> _initialize() async {
// PrinterDevices? printer = await PrinterDevices.getFromPrefs();
// _scan();
// if (printer != null) {
// selectDevice(printer);
// }
// // subscription to listen change status of bluetooth connection
// _subscriptionBtStatus =
// PrinterManager.instance.stateBluetooth.listen((status) {
// log(' ----------------- status bt $status ------------------ ');
// _currentStatus = status;
// if (status == BTStatus.connected) {
// setState(() {
// _isConnected = true;
// });
// }
// if (status == BTStatus.none) {
// setState(() {
// _isConnected = false;
// });
// }
// if (status == BTStatus.connected && pendingTask != null) {
// if (Platform.isAndroid) {
// Future.delayed(const Duration(milliseconds: 1000), () {
// PrinterManager.instance
// .send(type: PrinterType.bluetooth, bytes: pendingTask!);
// pendingTask = null;
// });
// } else if (Platform.isIOS) {
// PrinterManager.instance
// .send(type: PrinterType.bluetooth, bytes: pendingTask!);
// pendingTask = null;
// }
// }
// });
// // PrinterManager.instance.stateUSB is only supports on Android
// _subscriptionUsbStatus = PrinterManager.instance.stateUSB.listen((status) {
// log(' ----------------- status usb $status ------------------ ');
// _currentUsbStatus = status;
// if (Platform.isAndroid) {
// if (status == USBStatus.connected && pendingTask != null) {
// Future.delayed(const Duration(milliseconds: 1000), () {
// PrinterManager.instance
// .send(type: PrinterType.usb, bytes: pendingTask!);
// pendingTask = null;
// });
// }
// }
// });
// // PrinterManager.instance.stateUSB is only supports on Android
// _subscriptionTCPStatus = PrinterManager.instance.stateTCP.listen((status) {
// log(' ----------------- status tcp $status ------------------ ');
// _currentTCPStatus = status;
// });
// }
// _chipOption({required String label, required PrinterType val}) {
// return Row(
// children: [
// Radio(
// value: val,
// groupValue: defaultPrinterType,
// onChanged: (v) {
// setState(() {
// defaultPrinterType = v!;
// selectedPrinter = null;
// _isBle = false;
// _isConnected = false;
// _scan();
// });
// }),
// const SizedBox(
// width: 10.0,
// ),
// Text(
// label,
// style: const TextStyle(fontSize: 16.0),
// )
// ],
// );
// }
// }

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lib/max_print_plus.dart Normal file
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import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';
import 'max_print_plus_platform_interface.dart';
/// An implementation of [MaxPrintPlusPlatform] that uses method channels.
class MethodChannelMaxPrintPlus extends MaxPrintPlusPlatform {
/// The method channel used to interact with the native platform.
@visibleForTesting
final methodChannel = const MethodChannel('max_print_plus');
@override
Future<String?> getPlatformVersion() async {
final version = await methodChannel.invokeMethod<String>('getPlatformVersion');
return version;
}
}

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import 'package:plugin_platform_interface/plugin_platform_interface.dart';
import 'max_print_plus_method_channel.dart';
abstract class MaxPrintPlusPlatform extends PlatformInterface {
/// Constructs a MaxPrintPlusPlatform.
MaxPrintPlusPlatform() : super(token: _token);
static final Object _token = Object();
static MaxPrintPlusPlatform _instance = MethodChannelMaxPrintPlus();
/// The default instance of [MaxPrintPlusPlatform] to use.
///
/// Defaults to [MethodChannelMaxPrintPlus].
static MaxPrintPlusPlatform get instance => _instance;
/// Platform-specific implementations should set this with their own
/// platform-specific class that extends [MaxPrintPlusPlatform] when
/// they register themselves.
static set instance(MaxPrintPlusPlatform instance) {
PlatformInterface.verifyToken(instance, _token);
_instance = instance;
}
Future<String?> getPlatformVersion() {
throw UnimplementedError('platformVersion() has not been implemented.');
}
}

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import 'package:flutter/material.dart';
class MyButton extends StatelessWidget {
final String text;
final Function()? press;
final Color? color;
final Color? textColor;
final Color? borderColor;
final double? width;
final double? heigth;
final double? borderRadius;
final double? textSize;
final EdgeInsetsGeometry? padding;
const MyButton(
{Key? key,
required this.text,
required this.press,
this.color,
this.padding,
this.textColor,
this.width,
this.heigth,
this.borderRadius,
this.borderColor,
this.textSize})
: super(key: key);
@override
Widget build(BuildContext context) {
return SizedBox(
height: heigth,
width: width,
child: ElevatedButton(
onPressed: press,
style: ButtonStyle(
elevation: MaterialStateProperty.all(0),
padding: MaterialStateProperty.all(
padding ?? const EdgeInsets.all(16.0)),
backgroundColor: MaterialStateProperty.resolveWith<Color>(
(Set<MaterialState> states) {
if (states.contains(MaterialState.pressed)) {
return Color(0xFFDCDEE0);
} else if (states.contains(MaterialState.disabled)) {
return Color(0xFFF2F2F5);
} else if (states.contains(MaterialState.focused)) {
return Color(0xFFFFC700);
}
return color ??
Color(0xFFFFC700); // Use the component's default.
},
),
textStyle: MaterialStateProperty.all<TextStyle>(
TextStyle(color: textColor ?? Color(0xFF242632))),
shape: MaterialStateProperty.resolveWith<RoundedRectangleBorder>(
(states) {
return RoundedRectangleBorder(
side: !(states.contains(MaterialState.pressed))
? BorderSide(color: borderColor ?? Colors.transparent)
: const BorderSide(color: Colors.transparent),
borderRadius:
BorderRadius.circular(borderRadius ?? 1000.0));
})),
child: Text(
text,
style: TextStyle(
color: textColor ?? Colors.white,
fontSize: textSize,
fontWeight: FontWeight.w600),
)),
);
}
}

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import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:drago_pos_printer/drago_pos_printer.dart';
import 'package:webcontent_converter/demo.dart';
import 'package:webcontent_converter/webcontent_converter.dart';
import '../service/service.dart';
class BluetoothPrinterScreen extends StatefulWidget {
@override
_BluetoothPrinterScreenState createState() => _BluetoothPrinterScreenState();
}
class _BluetoothPrinterScreenState extends State<BluetoothPrinterScreen> {
bool _isLoading = false;
List<BluetoothPrinter> _printers = [];
BluetoothPrinterManager? _manager;
int paperWidth = 0;
int charPerLine = 0;
List<String> paperTypes = [];
bool showCustom = false;
@override
void initState() {
_scan();
paperWidth = PaperSizeWidth.mm80;
charPerLine = PaperSizeMaxPerLine.mm80;
paperTypes.add('58mm');
paperTypes.add('80mmOld');
paperTypes.add('80mm');
paperTypes.add('Custom');
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("Bluetooth Printer Screen"),
),
body: ListView(
padding: EdgeInsets.all(20),
children: [
DropdownButtonHideUnderline(
child: DropdownButtonFormField(
decoration: InputDecoration(labelText: 'Paper Size'),
items: paperTypes.map((item) {
return DropdownMenuItem(
value: item,
child: Text(item),
);
}).toList(),
onChanged: (String? selected) async {
showCustom = false;
if (selected != null) {
if (selected == "58mm") {
paperWidth = PaperSizeWidth.mm58;
charPerLine = PaperSizeMaxPerLine.mm58;
} else if (selected == "80mmOld") {
paperWidth = PaperSizeWidth.mm80_Old;
charPerLine = PaperSizeMaxPerLine.mm80_Old;
} else if (selected == "80mm") {
paperWidth = PaperSizeWidth.mm80;
charPerLine = PaperSizeMaxPerLine.mm80;
} else if (selected == "Custom") {
paperWidth = PaperSizeWidth.mm80;
charPerLine = PaperSizeMaxPerLine.mm80;
showCustom = true;
}
setState(() {});
}
},
),
),
if (showCustom)
Row(
children: [
Expanded(
child: TextFormField(
initialValue: paperWidth.toString(),
onChanged: (val) {
if (val.isNotEmpty) {
paperWidth = int.parse(val);
} else
paperWidth = 0;
},
)),
SizedBox(width: 20),
Expanded(
child: TextFormField(
initialValue: charPerLine.toString(),
onChanged: (val) {
if (val.isNotEmpty) {
charPerLine = int.parse(val);
} else
charPerLine = 0;
},
))
],
),
SizedBox(height: 10),
..._printers
.map((printer) => ListTile(
title: Text("${printer.name}"),
subtitle: Text("${printer.address}"),
leading: Icon(Icons.bluetooth),
onTap: () => _connect(printer),
trailing: printer.connected
? Wrap(
children: [
IconButton(
tooltip: 'ESC POS Command',
onPressed: () => _startPrinter(1, printer),
icon: Icon(Icons.print)),
IconButton(
tooltip: 'Html Print',
onPressed: () => _startPrinter(3, printer),
icon: Icon(Icons.image)),
],
)
: null,
selected: printer.connected,
))
.toList(),
],
),
floatingActionButton: FloatingActionButton(
child: _isLoading ? Icon(Icons.stop) : Icon(Icons.play_arrow),
onPressed: _isLoading ? null : _scan,
),
);
}
_scan() async {
print("scan");
setState(() {
_isLoading = true;
_printers = [];
});
var printers = await BluetoothPrinterManager.discover();
print(printers);
setState(() {
_isLoading = false;
_printers = printers;
});
}
Future _connect(BluetoothPrinter printer) async {
var manager = BluetoothPrinterManager(printer);
// await manager.connect();
print(" -==== connected =====- ");
setState(() {
_manager = manager;
printer.connected = true;
});
}
_startPrinter(int byteType, BluetoothPrinter printer) async {
var profile = await CapabilityProfile.load();
await _connect(printer);
late List<int> data;
if (byteType == 1) {
data = await ESCPrinterService(null).getSamplePosBytes(
paperSizeWidthMM: paperWidth,
maxPerLine: charPerLine,
profile: profile);
} else if (byteType == 2) {
data = await ESCPrinterService(null).getPdfBytes(
paperSizeWidthMM: paperWidth,
maxPerLine: charPerLine,
profile: profile);
} else if (byteType == 3) {
final content = Demo.getShortReceiptContent();
Uint8List? htmlBytes = await WebcontentConverter.contentToImage(
content: content,
executablePath: WebViewHelper.executablePath(),
);
var service = ESCPrinterService(htmlBytes);
data = await service.getBytes(
paperSizeWidthMM: paperWidth,
maxPerLine: charPerLine,
profile: profile);
}
if (_manager != null) {
if (!await _manager!.checkConnected()) await _manager!.connect();
_manager!.writeBytes(data, isDisconnect: true);
}
}
}

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import 'package:flutter/material.dart';
import 'package:max_print_plus/print/bluetooth_printer_screen.dart';
import 'package:max_print_plus/print/network_printer_screen.dart';
import 'package:max_print_plus/print/usb_printer_screen.dart';
import 'tab_bar.dart';
enum HistoryTabData { reservation, dinein, waitinglist, pickup, delivery }
class MaxPrintArgs {
final int _index = 0;
HistoryTabData initialTab;
MaxPrintArgs({required this.initialTab});
int get initialIndex => mapTabDataToIndex();
int mapTabDataToIndex() {
switch (initialTab) {
case HistoryTabData.reservation:
return 0;
case HistoryTabData.dinein:
return 1;
case HistoryTabData.waitinglist:
return 2;
case HistoryTabData.pickup:
return 3;
case HistoryTabData.delivery:
return 4;
default:
return 0;
}
}
}
class MaxPrint extends StatefulWidget {
MaxPrint({
Key? key,
}) : super(key: key);
@override
State<MaxPrint> createState() => _MaxPrintState();
}
class _MaxPrintState extends State<MaxPrint> with TickerProviderStateMixin {
String? uid;
bool? isLogin;
late final TabController _tabController;
@override
void initState() {
_tabController = TabController(length: 3, vsync: this);
_tabController.addListener(_handleTabSelection);
super.initState();
}
int tabIndex = 0;
void _handleTabSelection() {
setState(() {
tabIndex = _tabController.index;
print('Tab index: $tabIndex');
});
}
@override
Widget build(BuildContext context) {
return SafeArea(
child: DefaultTabController(
length: 3,
child: Scaffold(
backgroundColor: Color(0xFFFAFAFA),
appBar: AppBar(
title: Text('Print'),
bottom: CustomTabBar(
tabController: _tabController,
tabs: [
tabTitle('Bluetooth'),
tabTitle('WiFi'),
tabTitle('USB'),
// tabTitle('Ongoing'),
// tabTitle('Completed'),
],
),
),
body: Column(
children: [
Expanded(
child: TabBarView(
controller: _tabController,
children: [
BluetoothPrinterScreen(),
NetWorkPrinterScreen(),
USBPrinterScreen()
],
),
),
],
)),
));
}
}
Tab tabTitle(String title) {
return Tab(
icon: Text(
title,
style: const TextStyle(
// color: Pallete.primary,
fontSize: 12.0,
fontWeight: FontWeight.w600,
overflow: TextOverflow.ellipsis,
letterSpacing: 0.1),
maxLines: 1,
),
);
}

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import 'package:flutter/material.dart';
import 'package:drago_pos_printer/drago_pos_printer.dart';
import 'package:webcontent_converter/demo.dart';
import 'package:webcontent_converter/webcontent_converter.dart';
import '../service/service.dart';
class NetWorkPrinterScreen extends StatefulWidget {
@override
_NetWorkPrinterScreenState createState() => _NetWorkPrinterScreenState();
}
class _NetWorkPrinterScreenState extends State<NetWorkPrinterScreen> {
bool _isLoading = false;
List<NetWorkPrinter> _printers = [];
NetworkPrinterManager? _manager;
List<int> _data = [];
String _name = "default";
int paperWidth = 0;
int charPerLine = 0;
List<String> paperTypes = [];
bool showCustom = false;
@override
void initState() {
_scan();
paperWidth = PaperSizeWidth.mm80;
charPerLine = PaperSizeMaxPerLine.mm80;
paperTypes.add('58mm');
paperTypes.add('80mmOld');
paperTypes.add('80mm');
paperTypes.add('Custom');
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("Network Printer Screen ${printProfiles.length}"),
actions: [
PopupMenuButton(
itemBuilder: (_) => printProfiles
.map(
(e) => PopupMenuItem(
enabled: e["key"] != _name,
child: Text("${e["key"]}"),
onTap: () {
setState(() {
_name = e["key"];
});
},
),
)
.toList(),
)
],
),
body: ListView(
padding: EdgeInsets.all(20),
children: [
DropdownButtonHideUnderline(
child: DropdownButtonFormField(
decoration: InputDecoration(labelText: 'Paper Size'),
items: paperTypes.map((item) {
return DropdownMenuItem(
value: item,
child: Text(item),
);
}).toList(),
onChanged: (String? selected) async {
showCustom = false;
if (selected != null) {
if (selected == "58mm") {
paperWidth = PaperSizeWidth.mm58;
charPerLine = PaperSizeMaxPerLine.mm58;
} else if (selected == "80mmOld") {
paperWidth = PaperSizeWidth.mm80_Old;
charPerLine = PaperSizeMaxPerLine.mm80_Old;
} else if (selected == "80mm") {
paperWidth = PaperSizeWidth.mm80;
charPerLine = PaperSizeMaxPerLine.mm80;
} else if (selected == "Custom") {
paperWidth = PaperSizeWidth.mm80;
charPerLine = PaperSizeMaxPerLine.mm80;
showCustom = true;
}
setState(() {});
}
},
),
),
if (showCustom)
Row(
children: [
Expanded(
child: TextFormField(
initialValue: paperWidth.toString(),
onChanged: (val) {
if (val.isNotEmpty) {
paperWidth = int.parse(val);
} else
paperWidth = 0;
},
)),
SizedBox(width: 20),
Expanded(
child: TextFormField(
initialValue: charPerLine.toString(),
onChanged: (val) {
if (val.isNotEmpty) {
charPerLine = int.parse(val);
} else
charPerLine = 0;
},
))
],
),
SizedBox(height: 10),
..._printers
.map((printer) => ListTile(
title: Text("${printer.name}"),
subtitle: Text("${printer.address}"),
leading: Icon(Icons.cable),
onTap: () => _connect(printer),
trailing: printer.connected
? Wrap(
children: [
IconButton(
tooltip: 'ESC POS Command',
onPressed: () => _startPrinter(1, printer),
icon: Icon(Icons.print)),
IconButton(
tooltip: 'Html Print',
onPressed: () => _startPrinter(3, printer),
icon: Icon(Icons.image)),
],
)
: null,
selected: printer.connected,
))
.toList(),
],
),
floatingActionButton: FloatingActionButton(
child: _isLoading ? Icon(Icons.stop) : Icon(Icons.play_arrow),
onPressed: _isLoading ? null : _scan,
),
);
}
_scan() async {
setState(() {
_isLoading = true;
_printers = [];
});
var printers = await NetworkPrinterManager.discover();
setState(() {
_isLoading = false;
_printers = printers;
});
}
Future _connect(NetWorkPrinter printer) async {
var manager = NetworkPrinterManager(printer);
await manager.connect();
setState(() {
_manager = manager;
printer.connected = true;
});
}
_startPrinter(int byteType, NetWorkPrinter printer) async {
await _connect(printer);
// if (_data.isEmpty) {
final content = Demo.getShortReceiptContent();
var stopwatch = Stopwatch()..start();
List<int> data = [];
var profile = await CapabilityProfile.load();
if (byteType == 1) {
data = await ESCPrinterService(null).getSamplePosBytes(
paperSizeWidthMM: paperWidth,
maxPerLine: charPerLine,
profile: profile,
name: _name);
} else if (byteType == 2) {
data = await ESCPrinterService(null).getPdfBytes(
paperSizeWidthMM: paperWidth,
maxPerLine: charPerLine,
profile: profile,
name: _name);
} else if (byteType == 3) {
var service = ESCPrinterService(await WebcontentConverter.contentToImage(
content: content,
executablePath: WebViewHelper.executablePath(),
));
data = await service.getBytes(name: _name);
}
print("Start print data $_name");
if (mounted) setState(() => _data = data);
if (_manager != null) {
print("isConnected ${_manager!.printer.connected}");
await _manager!.writeBytes(_data, isDisconnect: true);
WebcontentConverter.logger
.info("completed executed in ${stopwatch.elapsed}");
}
}
}

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import 'package:flutter/material.dart';
import '../theme/theme.config.dart';
class CustomTabBar extends StatelessWidget implements PreferredSizeWidget {
const CustomTabBar({
Key? key,
required TabController tabController,
required List<Widget> tabs,
}) : _tabController = tabController,
_tabs = tabs,
super(key: key);
final TabController _tabController;
final List<Widget> _tabs;
@override
Size get preferredSize => const Size(double.infinity, 45);
@override
Widget build(BuildContext context) {
return disableMaterial3(
child: Container(
padding: const EdgeInsets.all(4),
height: 40,
margin: const EdgeInsets.symmetric(horizontal: 16),
decoration: BoxDecoration(
color: Colors.grey[100],
borderRadius: BorderRadius.circular(10),
),
child: TabBar(
controller: _tabController,
isScrollable: false,
indicator: BoxDecoration(
borderRadius: BorderRadius.circular(8),
color: Colors.white,
),
indicatorColor: Colors.white,
labelColor: Colors.black,
unselectedLabelColor: Colors.grey,
tabs: _tabs,
),
),
);
}
}

232
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import 'package:image/image.dart' as img;
import 'dart:io';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:max_print_plus/service/service.dart';
import 'package:open_filex/open_filex.dart';
import 'package:path_provider/path_provider.dart';
import 'package:drago_pos_printer/drago_pos_printer.dart';
import 'package:webcontent_converter/demo.dart';
import 'package:webcontent_converter/webcontent_converter.dart';
class USBPrinterScreen extends StatefulWidget {
@override
_USBPrinterScreenState createState() => _USBPrinterScreenState();
}
class _USBPrinterScreenState extends State<USBPrinterScreen> {
bool _isLoading = false;
List<USBPrinter> _printers = [];
USBPrinterManager? _manager;
List<int> _data = [];
int paperWidth = 0;
int charPerLine = 0;
List<String> paperTypes = [];
bool showCustom = false;
@override
void initState() {
_scan();
paperWidth = PaperSizeWidth.mm80;
charPerLine = PaperSizeMaxPerLine.mm80;
paperTypes.add('58mm');
paperTypes.add('80mmOld');
paperTypes.add('80mm');
paperTypes.add('Custom');
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("USB Printer Screen"),
),
body: ListView(
padding: EdgeInsets.all(20),
children: [
DropdownButtonHideUnderline(
child: DropdownButtonFormField(
decoration: InputDecoration(labelText: 'Paper Size'),
items: paperTypes.map((item) {
return DropdownMenuItem(
value: item,
child: Text(item),
);
}).toList(),
onChanged: (String? selected) async {
showCustom = false;
if (selected != null) {
if (selected == "58mm") {
paperWidth = PaperSizeWidth.mm58;
charPerLine = PaperSizeMaxPerLine.mm58;
} else if (selected == "80mmOld") {
paperWidth = PaperSizeWidth.mm80_Old;
charPerLine = PaperSizeMaxPerLine.mm80_Old;
} else if (selected == "80mm") {
paperWidth = PaperSizeWidth.mm80;
charPerLine = PaperSizeMaxPerLine.mm80;
} else if (selected == "Custom") {
paperWidth = PaperSizeWidth.mm80;
charPerLine = PaperSizeMaxPerLine.mm80;
showCustom = true;
}
setState(() {});
}
},
),
),
if (showCustom)
Row(
children: [
Expanded(
child: TextFormField(
initialValue: paperWidth.toString(),
onChanged: (val) {
if (val.isNotEmpty) {
paperWidth = int.parse(val);
} else
paperWidth = 0;
},
)),
SizedBox(width: 20),
Expanded(
child: TextFormField(
initialValue: charPerLine.toString(),
onChanged: (val) {
if (val.isNotEmpty) {
charPerLine = int.parse(val);
} else
charPerLine = 0;
},
))
],
),
SizedBox(height: 10),
..._printers
.map((printer) => ListTile(
title: Text("${printer.name}"),
subtitle: Text("${printer.address}"),
leading: Icon(Icons.usb),
trailing: Wrap(
children: [
IconButton(
tooltip: 'Tspl Command',
onPressed: () => _tsplPrint(printer),
icon: Icon(Icons.qr_code)),
IconButton(
tooltip: 'ESC POS Command',
onPressed: () => _startPrinter(1, printer),
icon: Icon(Icons.print)),
IconButton(
tooltip: 'Pdf',
onPressed: () => _startPrinter(2, printer),
icon: Icon(Icons.picture_as_pdf)),
IconButton(
tooltip: 'Html Print',
onPressed: () => _startPrinter(3, printer),
icon: Icon(Icons.image)),
],
),
))
.toList(),
],
),
floatingActionButton: FloatingActionButton(
child: _isLoading ? Icon(Icons.stop) : Icon(Icons.play_arrow),
onPressed: _isLoading ? null : _scan,
),
);
}
_scan() async {
setState(() {
_isLoading = true;
_printers = [];
});
var printers = await USBPrinterManager.discover();
setState(() {
_isLoading = false;
_printers = printers;
});
}
_startPrinter(int byteType, USBPrinter printer) async {
var profile = await CapabilityProfile.load();
var manager = USBPrinterManager(printer);
_manager = manager;
final content = Demo.getShortReceiptContent();
var bytes = byteType == 1
? await ESCPrinterService(null).getSamplePosBytes(
paperSizeWidthMM: paperWidth,
maxPerLine: charPerLine,
profile: profile)
: byteType == 2
? await ESCPrinterService(null).getPdfBytes(
paperSizeWidthMM: paperWidth,
maxPerLine: charPerLine,
profile: profile)
: (await WebcontentConverter.contentToImage(
content: content,
executablePath: WebViewHelper.executablePath(),
))
.toList();
List<int> data;
if (byteType == 3) {
var service = ESCPrinterService(Uint8List.fromList(bytes));
data = await service.getBytes(
paperSizeWidthMM: paperWidth,
maxPerLine: charPerLine,
);
if (bytes.length > 0) {
var dir = await getTemporaryDirectory();
var path = dir.path + "\\receipt.jpg";
File file = File(path);
await file.writeAsBytes(bytes);
}
} else
data = bytes;
if (mounted) setState(() => _data = data);
_manager!.writeBytes(_data);
}
_tsplPrint(USBPrinter printer) async {
int width = 105;
int height = 22;
int labelWidth = 35;
var image = await ESCPrinterService(null)
.generateLabel(width, height, labelWidth, 1.5, 3);
if (image != null) {
var dir = await getTemporaryDirectory();
var path = dir.path + "\\receipt.png";
File file = File(path);
await file.writeAsBytes(img.encodePng(image));
OpenFilex.open(path);
// for (int i = 1; i <= 1; i++) {
// var manager = USBPrinterManager(printer);
// TsplGenerator generator = TsplGenerator();
// generator.addSize(width: width, height: height);
// generator.addGap(3);
// generator.addSpeed(4);
// generator.addDensity(Density.density15);
// generator.addDirection(Direction.backWord);
// generator.addTear(Tear.on);
// generator.addCodePageUtf8();
// generator.addCls();
// generator.addImage(image, needGrayscale: true);
// generator.addPrint(1);
// _data = generator.byte;
// manager.writeBytes(_data);
// }
}
}
}

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import 'dart:io';
import 'package:flutter/services.dart';
import 'package:image/image.dart' as img;
import 'package:path_provider/path_provider.dart';
import 'package:pdf/pdf.dart' as pf;
import 'package:pdf/widgets.dart' as pw;
import 'package:drago_pos_printer/drago_pos_printer.dart';
import 'package:printing/printing.dart';
// import 'package:qr_flutter/qr_flutter.dart';
import 'dart:math' as math;
class ESCPrinterService {
final Uint8List? receipt;
List<int>? _bytes;
var dpi;
List<int>? get bytes => _bytes;
int? _paperSizeWidthMM;
int? _maxPerLine;
CapabilityProfile? _profile;
ESCPrinterService(this.receipt);
Future<List<int>> getBytes({
int paperSizeWidthMM = PaperSizeWidth.mm80,
int maxPerLine = PaperSizeMaxPerLine.mm80,
CapabilityProfile? profile,
String name = "default",
}) async {
List<int> bytes = [];
_profile = profile ?? (await CapabilityProfile.load(name: name));
print(_profile!.name);
_paperSizeWidthMM = paperSizeWidthMM;
_maxPerLine = maxPerLine;
assert(receipt != null);
assert(_profile != null);
EscGenerator generator =
EscGenerator(_paperSizeWidthMM!, _maxPerLine!, _profile!);
var decodeImage = img.decodeImage(receipt!);
if (decodeImage == null) throw Exception('decoded image is null');
final img.Image _resize =
img.copyResize(decodeImage, width: _paperSizeWidthMM);
String dir = (await getTemporaryDirectory()).path;
String fullPath = '$dir/abc.png';
print("local file full path ${fullPath}");
File file = File(fullPath);
await file.writeAsBytes(img.encodePng(decodeImage));
// OpenFile.open(fullPath);
bytes += generator.image(_resize);
bytes += generator.feed(2);
bytes += generator.cut();
return bytes;
}
Future<img.Image?> generateLabel(int width, int height, int labelWidth,
double horizontalGap, int column) async {
final doc = pw.Document();
doc.addPage(
pw.Page(
pageFormat: pf.PdfPageFormat(
width * pf.PdfPageFormat.mm, height * pf.PdfPageFormat.mm),
build: (pw.Context context) => pw.Row(children: [
for (int i = 0; i < column; i++)
pw.Expanded(
child: pw.Center(
child: pw.Column(
crossAxisAlignment: pw.CrossAxisAlignment.start,
mainAxisAlignment: pw.MainAxisAlignment.center,
children: [
pw.SizedBox(height: 5),
pw.Text('Bodi ananatham department',
style: pw.TextStyle(fontSize: 6),
overflow: pw.TextOverflow.clip),
pw.SizedBox(height: 1),
//barcode
pw.BarcodeWidget(
width: 90,
height: 28,
data: '324324',
barcode: pw.Barcode.code39()),
//qr code
pw.Row(children: [
pw.Container(
width: 3,
child: pw.Transform.rotateBox(
angle: math.pi / 180,
child: pw.Text(
'13232',
style: pw.TextStyle(fontSize: 5),
),
),
),
pw.SizedBox(width: 2),
pw.BarcodeWidget(
width: 26,
height: 26,
data: '324324',
barcode: pw.Barcode.qrCode()),
pw.SizedBox(width: 5),
pw.Expanded(
child: pw.Column(children: [
pw.Row(children: [
pw.Expanded(
child: pw.Text('Rate',
style: pw.TextStyle(fontSize: 6))),
pw.Expanded(
child: pw.Text('0.52',
style: pw.TextStyle(fontSize: 6))),
]),
pw.Row(children: [
pw.Expanded(
child: pw.Text('MRP',
style: pw.TextStyle(fontSize: 6))),
pw.Expanded(
child: pw.Text('0.52',
style: pw.TextStyle(fontSize: 6))),
]),
pw.Row(children: [
pw.Expanded(
child: pw.Text('Mfd',
style: pw.TextStyle(fontSize: 6))),
pw.Expanded(
child: pw.Text('02/20/23',
style: pw.TextStyle(fontSize: 6))),
]),
pw.Row(children: [
pw.Expanded(
child: pw.Text('Expiry',
style: pw.TextStyle(fontSize: 6))),
pw.Expanded(
child: pw.Text('02/20/23',
style: pw.TextStyle(fontSize: 6))),
]),
])),
pw.SizedBox(width: 3),
]),
pw.SizedBox(height: 1.5),
pw.Text('200g Horlicks Choclate flavor [iyj fdgdfgdf dfgdfg]',
style: pw.TextStyle(fontSize: 6)),
])))
]),
),
);
await for (var page in Printing.raster(await doc.save(), dpi: 203)) {
return page.asImage();
}
return null;
}
Future<Uint8List> _generatePdf() async {
final doc = pw.Document();
doc.addPage(
pw.Page(
pageFormat: pf.PdfPageFormat.roll57,
build: (pw.Context context) => pw.SizedBox(
height: 10 * pf.PdfPageFormat.mm,
child: pw.Center(
child: pw.Text('Hello World', style: pw.TextStyle(fontSize: 20)),
),
),
),
);
return doc.save();
}
Future<List<int>> getPdfBytes({
int paperSizeWidthMM = PaperSizeMaxPerLine.mm80,
int maxPerLine = PaperSizeMaxPerLine.mm80,
CapabilityProfile? profile,
String name = "default",
}) async {
List<int> bytes = [];
_profile = profile ?? (await CapabilityProfile.load(name: name));
print(_profile!.name);
_paperSizeWidthMM = paperSizeWidthMM;
_maxPerLine = maxPerLine;
EscGenerator generator =
EscGenerator(_paperSizeWidthMM!, _maxPerLine!, _profile!);
await for (var page in Printing.raster(await _generatePdf(), dpi: 96)) {
final image = page.asImage();
bytes += generator.image(image);
bytes += generator.reset();
bytes += generator.cut();
}
return bytes;
}
Future<List<int>> getSamplePosBytes({
int paperSizeWidthMM = PaperSizeMaxPerLine.mm80,
int maxPerLine = PaperSizeMaxPerLine.mm80,
CapabilityProfile? profile,
String name = "default",
}) async {
List<int> bytes = [];
_profile = profile ?? (await CapabilityProfile.load(name: name));
print(_profile!.name);
_paperSizeWidthMM = paperSizeWidthMM;
_maxPerLine = maxPerLine;
EscGenerator ticket =
EscGenerator(_paperSizeWidthMM!, _maxPerLine!, _profile!);
bytes += ticket.reset();
//Print image
// final ByteData data = await rootBundle.load('assets/logo.png');
// final Uint8List imageBytes = data.buffer.asUint8List();
// final img.Image? image = img.decodeImage(imageBytes);
// if (image != null) {
// img.Image thumbnail = img.copyResize(image, width: 400);
// bytes += ticket.image(thumbnail);
// bytes += ticket.reset();
// }
// bytes += 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');
// bytes += ticket.text('Special 1: ', styles: PosStyles(codeTable: 'CP1252'));
// bytes += ticket.text('Special 2: blåbærgrød',
// styles: PosStyles(codeTable: 'CP1252'));
// bytes += ticket.text('Bold text', styles: PosStyles(bold: true));
// bytes += ticket.text('Reverse text', styles: PosStyles(reverse: true));
// bytes += ticket.text('Underlined text',
// styles: PosStyles(underline: true), linesAfter: 1);
// bytes += ticket.text('Align left', styles: PosStyles(align: PosAlign.left));
// bytes +=
// ticket.text('Align center', styles: PosStyles(align: PosAlign.center));
// bytes += ticket.text('Align right',
// styles: PosStyles(align: PosAlign.right), linesAfter: 1);
// bytes += ticket.text('SKS DEPARTMENT STORE',
// styles: PosStyles(
// align: PosAlign.center,
// height: PosTextSize.size1,
// width: PosTextSize.size1,
// ));
// bytes += ticket.text('889 Watson Lane',
// styles: PosStyles(align: PosAlign.center));
// bytes += ticket.text('New Braunfels, TX',
// styles: PosStyles(align: PosAlign.center));
// bytes += ticket.text('Tel: 830-221-1234',
// styles: PosStyles(align: PosAlign.center));
// bytes +=
// ticket.text('Web: .com', styles: PosStyles(align: PosAlign.center));
// bytes += ticket.hr();
// bytes += ticket.row([
// PosColumn(text: 'Qty', width: 1),
// PosColumn(text: 'Item', width: 5),
// PosColumn(
// text: 'Price', width: 3, styles: PosStyles(align: PosAlign.right)),
// PosColumn(
// text: 'Total ', width: 3, styles: PosStyles(align: PosAlign.right)),
// ]);
// bytes += ticket.hr();
// bytes += ticket.row([
// PosColumn(text: '2', width: 1),
// PosColumn(text: 'ONION RINGS ONION RINGS ONION', width: 5),
// PosColumn(
// text: '0.99', width: 3, styles: PosStyles(align: PosAlign.right)),
// PosColumn(
// text: '1.98', width: 3, styles: PosStyles(align: PosAlign.right)),
// ]);
// bytes += 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)),
// ]);
// bytes += 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)),
// ]);
// bytes += 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)),
// ]);
// bytes += ticket.hr();
// bytes += 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,
// )),
// ]);
// bytes += ticket.hr(ch: '=', linesAfter: 1);
// bytes += 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)),
// ]);
// bytes += 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)),
// ]);
// bytes += ticket.feed(1);
bytes += ticket.text('Thank you!',
styles: PosStyles(align: PosAlign.center, bold: true));
bytes += ticket.text('MM TOYS',
styles: const PosStyles(align: PosAlign.center, bold: true));
bytes += ticket.text('Cikijing, Talaga, Bantarujeg, Rancah',
styles: const PosStyles(align: PosAlign.center, bold: true));
bytes += ticket.row([
PosColumn(
width: 6,
text: 'PENJUALAN :',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
PosColumn(
width: 6,
text: '2024-03-14',
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
]);
bytes += ticket.row([
PosColumn(
width: 8,
text: 'PELANGGAN : UMUM-RCH',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
PosColumn(
width: 4,
text: '15:30',
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
]);
bytes += ticket.text('--------------------------------',
styles: const PosStyles(align: PosAlign.center));
bytes += ticket.row([
PosColumn(
width: 6,
text: 'Qty',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
PosColumn(
width: 6,
text: 'Nama Produk',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
]);
bytes += ticket.row([
PosColumn(
width: 3,
text: 'Harga',
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
PosColumn(
width: 3,
text: 'Dis.',
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
PosColumn(
width: 3,
text: 'PPn',
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
PosColumn(
width: 3,
text: 'Netto',
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
]);
bytes += ticket.text('--------------------------------',
styles: const PosStyles(align: PosAlign.center));
// Dummy transaction data
List<String> dummyProducts = [
'Product 1',
'Product 2',
'Product 3',
];
for (var productName in dummyProducts) {
bytes += ticket.row([
PosColumn(
width: 12,
text: '2 ${productName.toUpperCase()}',
styles: const PosStyles(
align: PosAlign.left,
codeTable: 'CP1252',
)),
]);
bytes += ticket.row([
PosColumn(
width: 3,
text: '10.0',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
PosColumn(
width: 3,
text: '0.0',
styles:
const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
PosColumn(
width: 3,
text: '',
styles:
const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
PosColumn(
width: 3,
text: '20.0',
styles:
const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
]);
}
bytes += ticket.text('--------------------------------',
styles: const PosStyles(align: PosAlign.center));
// Dummy total and payment data
bytes += ticket.row([
PosColumn(
width: 4,
text: 'Jumlah : 3',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
PosColumn(
width: 4,
text: 'Item : 6',
styles: const PosStyles(align: PosAlign.center, codeTable: 'CP1252')),
PosColumn(
width: 4,
text: '33.0',
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
]);
// Dummy grand total, payment, change, and cashier data
bytes += ticket.row([
PosColumn(
width: 6,
text: 'Grand Total',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
PosColumn(
width: 1,
text: ':',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
PosColumn(
width: 5,
text: '33.0',
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
]);
bytes += ticket.row([
PosColumn(
width: 6,
text: 'Pembayaran',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
PosColumn(
width: 1,
text: ':',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
PosColumn(
width: 5,
text: '50.0',
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
]);
bytes += ticket.row([
PosColumn(
width: 6,
text: 'Kembalian',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
PosColumn(
width: 1,
text: ':',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
PosColumn(
width: 5,
text: '17.0',
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
]);
bytes += ticket.row([
PosColumn(
width: 6,
text: 'Kasir',
styles: const PosStyles(align: PosAlign.left, codeTable: 'CP1252')),
PosColumn(
width: 6,
text: 'Anisa',
styles: const PosStyles(align: PosAlign.right, codeTable: 'CP1252')),
]);
bytes += ticket.text('--------------------------------',
styles: const PosStyles(align: PosAlign.center));
bytes += ticket.text(
'BARANG YANG SUDAH DI BELI TIDAK DAPAT DITUKAR / DIKEMBALIKAN',
styles: const PosStyles(align: PosAlign.center));
bytes += ticket.text('TERIMA KASIH',
styles: const PosStyles(align: PosAlign.center));
// final now = DateTime.now();
// final formatter = DateFormat('MM/dd/yyyy H:m');
// final String timestamp = formatter.format(now);
// bytes += ticket.text(timestamp,
// styles: PosStyles(align: PosAlign.center), linesAfter: 2);
//Print QR Code from image
// try {
// const String qrData = 'example.com';
// const double qrSize = 100;
// 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 image = img.decodeImage(imgFile.readAsBytesSync());
// bytes += ticket.image(image!);
// } catch (e) {
// print(e);
// }
// Print QR Code using native function
// bytes += ticket.qrcode('example.com');
bytes += ticket.feed(1);
bytes += ticket.cut();
return bytes;
}
}

79
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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
ThemeData theme({bool? useMaterial3}) {
return ThemeData(
useMaterial3: useMaterial3,
scaffoldBackgroundColor: Colors.white,
appBarTheme: appBarTheme(),
textTheme: textTheme(),
fontFamily: 'Nunito',
inputDecorationTheme: inputDecorationTheme(),
visualDensity: VisualDensity.adaptivePlatformDensity,
textSelectionTheme: const TextSelectionThemeData(
cursorColor: Color(0xFFFFC700),
),
);
}
Theme disableMaterial3({required Widget child}) {
return Theme(data: theme(useMaterial3: false), child: child);
}
Theme enableMaterial3({required Widget child}) {
return Theme(data: theme(useMaterial3: true), child: child);
}
AppBarTheme appBarTheme() {
return const AppBarTheme(
color: Colors.white,
// backwardsCompatibility: false,
systemOverlayStyle: SystemUiOverlayStyle(
statusBarColor: Colors.white,
statusBarIconBrightness: Brightness.dark,
),
surfaceTintColor: Colors.white,
elevation: 0,
// textTheme: TextTheme(
// headline6: TextStyle(color: Color(0XFF8B8B8B), fontSize: 18),
// ),
);
}
TextTheme textTheme() {
return const TextTheme(
bodyLarge: TextStyle(
color: Color(0xFF0E0F0F),
fontSize: 16,
fontWeight: FontWeight.normal,
),
);
}
InputDecorationTheme inputDecorationTheme() {
// OutlineInputBorder outlineInputBorder = OutlineInputBorder(
// borderRadius: BorderRadius.circular(28),
// borderSide: BorderSide(color: Pallete.textPrimary),
// gapPadding: 10,
// );
// return const InputDecorationTheme(
// // If you are using latest version of flutter then lable text and hint text shown like this
// // if you r using flutter less then 1.20.* then maybe this is not working properly
// // if we are define our floatingLabelBehavior in our theme then it's not applayed
// // floatingLabelBehavior: FloatingLabelBehavior.always,
// // contentPadding: EdgeInsets.symmetric(horizontal: 42, vertical: 20),
// // enabledBorder: outlineInputBorder,
// // focusedBorder: outlineInputBorder,
// // border: outlineInputBorder,
// );
return const InputDecorationTheme(
focusedBorder: OutlineInputBorder(
borderSide: BorderSide(
color: Color(0xFFFFC700), // Ganti dengan warna yang diinginkan
width: 2, // Atur lebar border sesuai kebutuhan
),
borderRadius: BorderRadius.all(Radius.circular(8))));
}

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lib/utils.dart Normal file
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