flutter_thermal_printer 0.0.2

Plugin for Flutter to print on thermal printers via ESC/POS commands.

flutter_thermal_printer

Package for all services for thermal printer in android, ios, macos, windows.

Getting Started

This plugin is used to print data on thermal printer.

Currently Supported

Service	Android	iOS	macOS	Windows
Bluetooth	✅	✅	✅	✅
USB

 final _flutterThermalPrinterPlugin = FlutterThermalPrinter.instance;

  List<Printer> bleDevices = [];

  StreamSubscription<List<Printer>>? _devicesStreamSubscription;

  //  Start scanning for BLE devices
  Future<void> startScan() async {
    try {
      await _flutterThermalPrinterPlugin.startScan();
      _devicesStreamSubscription =
          _flutterThermalPrinterPlugin.devicesStream.listen((event) {
        setState(() {
          bleDevices = event.map((e) => Printer.fromJson(e.toJson())).toList();
          bleDevices.removeWhere(
            (element) => element.name == null || element.name!.isEmpty,
          );
        });
      });
    } catch (e) {
      log('Failed to start scanning for devices $e');
    }
  }

  // Stop scanning for BLE devices
  Future<void> stopScan() async {
    try {
      _devicesStreamSubscription?.cancel();
      await _flutterThermalPrinterPlugin.stopScan();
    } catch (e) {
      log('Failed to stop scanning for devices $e');
    }
  }

Bluetooth Services

Feature	Android	iOS	macOS	Windows
Start scanning	✅	✅	✅	✅
stop scanning	✅	✅	✅	✅
connect printer	✅	✅	✅	✅
disconnect printer	✅	✅	✅	✅
print data	✅	✅	✅	✅

Printer Model Class

 String? address;
  String? name;
  ConnectionType? connectionType;
  bool? isConnected;
  String? vendorId;
  String? productId;

// Enum ConnectionType
enum ConnectionType {
  BLE,
  USB,
}