BluetoothPrinterChannel class

A channel-based implementation of BluetoothPrinter interface.

This class communicates with the native platform using method channels to perform Bluetooth printer operations.

Inheritance

• Object
• BluetoothPrinter
• BluetoothPrinterChannel

Constructors

BluetoothPrinterChannel()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

isConnected → Future<bool>

Checks if there is an active connection to a Bluetooth peripheral.

no setter, override

isScanningStream → Stream<bool>

Stream indicating the scanning status.

no setter, override

methodChannel → MethodChannel

Method channel for invoking platform-specific methods.

final

peripheralChannel → EventChannel

Event channel for receiving peripheral device updates.

final

peripheralsStream → Stream<List<Peripheral>>

Stream of lists of available Peripheral devices.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

scanningChannel → EventChannel

Event channel for receiving scanning status updates.

final

statusChannel → EventChannel

Event channel for receiving printer status updates.

final

statusStream → Stream<PrinterStatus>

Stream of PrinterStatus updates from the printer.

no setter, override

Methods

connect(String uuid) → Future<void>

Connects to a Bluetooth peripheral with the given uuid.

override

cutPaper() → Future<void>

Sends a command to cut the paper.

override

disconnect() → Future<void>

Disconnects from the currently connected Bluetooth peripheral.

override

isScanning() → Future<bool>

Checks if scanning is in progress.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

printBarcode(String content, {PBarcodeType type = PBarcodeType.eab13, PStringEncoding encoding = PStringEncoding.utf8}) → Future<void>

Prints a barcode with the specified content.

override

printImage(String base64Encoded, double width) → Future<void>

Prints an image from a base64 encoded string.

override

printQrCode(String code, {int unitSize = 5, QRErrLevel errLevel = QRErrLevel.L, PStringEncoding encoding = PStringEncoding.utf8}) → Future<void>

Prints a QR code with the given data.

override

printText(String text, {PTextAlign align = PTextAlign.left, PTextAttribute attribute = PTextAttribute.normal, PTextW width = PTextW.w1, PTextH height = PTextH.h1}) → Future<void>

Sends a text to be printed by the printer.

override

startScan() → Future<void>

Starts scanning for Bluetooth peripherals.

override

stopScan() → Future<void>

Stops scanning for Bluetooth peripherals.

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited