Printer class Null safety
- Implementers
Constructors
- Printer()
Properties
- hashCode → int
-
The hash code for this object.
read-only, inherited
- runtimeType → Type
-
A representation of the runtime type of the object.
read-only, inherited
Methods
-
connectPrinter(
PrinterDevice device) → Future< bool?> -
连接打印机
device打印机设备 -
disconnectAllPrinter(
) → Future< void> - 断开所有连接
-
disconnectPrinter(
PrinterDevice device) → Future< bool?> -
断开连接
device打印机设备 -
getConnectedPrinters(
{PrinterDeviceType? type}) → Future< List< PrinterDevice> ?> - 获取当前已连接的打印机
-
getPrinterMode(
PrinterDevice device) → Future< PrinterMode> -
获取打印机的模式（当前的打印指令集）
device打印机设备 -
getPrinterModel(
PrinterDevice device, PrinterMode mode) → Future< String?> -
获取打印机型号
device打印机设备mode打印模式（指令类型） -
getPrinterStatus(
PrinterDevice device, PrinterMode mode) → Future< PrinterStatus?> -
获取打印机状态(正常、缺纸、开盖、过热等)
device打印机设备mode打印模式（指令类型） -
isConnected(
PrinterDevice device) → Future< bool> -
判断打印机是否已连接
device打印机设备 -
listenPrinterConnectState(
) → Stream< List< PrinterDevice> ?> - 监听打印机连接状态
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited
-
read(
PrinterDevice device) → Stream< Uint8List?> -
监听打印机返回数据
device打印机设备 -
scanBluetoothDevice(
{Duration timeout = const Duration(seconds: 30)}) → Stream< BluetoothDevice> -
扫描蓝牙设备
timeout超时时间 -
scanTcpDevice(
) → Future< List< TcpDevice> ?> - 扫描网络TCP设备
-
scanTtyDevice(
) → Future< List< TtyDevice> ?> - 扫描串口设备
-
scanUsbAccessory(
) → Future< List< UsbAccessoryDevice> ?> - 扫描USB设备
-
scanUsbDevice(
) → Future< List< UsbDevice> ?> - 扫描USB设备
-
setLocatetionEnableStringForBluetoothScan(
String title, String message) → Future< void> - 设置定位功能开启提示信息 安卓6到11之间，扫描蓝牙需要系统定位功能已打开，否则无法扫描 当系统定位功能未打开时，弹出提示框，并引导用户跳转到系统定位开启界面
-
stopScanBlueToothDevice(
) → Future< void> - 停止扫描蓝牙设备
-
toString(
) → String -
A string representation of this object.
inherited
-
write(
PrinterDevice device, Uint8List data) → Future< bool?> -
发送数据到打印机
device打印机设备data数据 -
writeAndRead(
PrinterDevice device, Uint8List data, {Duration timeout = const Duration(milliseconds: 1500)}) → Future< Uint8List?> -
发送数据到打印机，并等待打印机返回结果
device打印机设备
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited