BluetoothPrinter class abstract
Abstract class defining the Bluetooth printer interface.
- Implementers
Constructors
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
-
isConnected
→ Future<
bool> -
Checks if a device is currently connected.
no setter
-
isScanningStream
→ Stream<
bool> -
Stream indicating if the printer is scanning.
no setter
-
peripheralsStream
→ Stream<
List< Peripheral> > -
Stream providing updates on discovered peripherals.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
statusStream
→ Stream<
PrinterStatus> -
Stream providing status updates of the printer.
no setter
Methods
-
connect(
String uuid) → Future< void> -
Connects to a Bluetooth device with the given
uuid. -
cutPaper(
) → Future< void> - Cuts the paper.
-
disconnect(
) → Future< void> - Disconnects from the currently connected Bluetooth device.
-
isScanning(
) → Future< bool> - Checks if the printer is currently scanning.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
printBarcode(
String content, {PBarcodeType type = PBarcodeType.code39, PStringEncoding encoding = PStringEncoding.utf8}) → Future< void> -
Prints a barcode with the given
content. -
printImage(
String base64Encoded, double width) → Future< void> - Prints an image from a base64 encoded string.
-
printQrCode(
String code, {int unitSize = 5, QRErrLevel errLevel = QRErrLevel.L, PStringEncoding encoding = PStringEncoding.utf8}) → Future< void> -
Prints a QR code with the given
code. -
printText(
String text, {PTextAlign align = PTextAlign.left, PTextAttribute attribute = PTextAttribute.normal, PTextW width = PTextW.w1, PTextH height = PTextH.h1}) → Future< void> -
Prints the provided
textwith specified formatting options. -
startScan(
) → Future< void> - Starts scanning for Bluetooth devices.
-
stopScan(
) → Future< void> - Stops scanning for Bluetooth devices.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Properties
- instance → BluetoothPrinter
-
Provides access to the singleton instance.
no setter