addShowClock

Adds time display setting to the command buffer.

Displaying the time clears all the displayed text. Additionally, sending other commands while the time is displayed closes the time display.

Syntax

	- (int)addShowClock;

Return value

Error status	Description
EPOS2_SUCCESS	The function was executed successfully.
EPOS2_ERR_MEMORY	Memory necessary for processing could not be allocated.
EPOS2_ERR_FAILURE	An unknown error occurred.

Quick Access

[Name]
[Format]
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[Description]
[Notes]

Epson ePOS SDK includes patented or patent pending functions. The contents must not be disclosed to third parties.

Epson ePOS SDK for iOS

Introduction
help
Epos2Printer class
- initWithPrinterSeries
- connect
- disconnect
- startMonitor
- stopMonitor
- getStatus
- sendData
- beginTransaction
- endTransaction
- requestPrintJobStatus
- clearCommandBuffer
- addTextAlign
- addLineSpace
- addTextRotate
- addText
- addTextLang
- addTextFont
- addTextSmooth
- addTextSize
- addTextStyle
- addHPosition
- addFeedUnit
- addFeedLine
- addImage
- addLogo
- addBarcode
- addSymbol
- addHLine
- addVLineBegin
- addVLineEnd
- addPageBegin
- addPageEnd
- addPageArea
- addPageDirection
- addPagePosition
- addPageLine
- addPageRectangle
- addRotateBegin
- addRotateEnd
- addCut
- addPulse
- addSound
- addFeedPosition
- addLayout
- addCommand
- getMaintenanceCounter
- resetMaintenanceCounter
- getPrinterSetting
- setPrinterSetting
- getPrinterSettingEx
- setPrinterSettingEx
- setPrinterSettingEx[Obsolete]
- verifyPassword
- getPrinterInformation
- downloadFirmwareList
- getPrinterFirmwareInfo
- verifyUpdate
- updateFirmware
- forceRecover
- forcePulse
- forceStopSound
- forceCommand
- forceReset
- setStatusChangeEventDelegate
- setReceiveEventDelegate
- setGetPrinterSettingExDelegate
- setSetPrinterSettingExDelegate
- setVerifyPasswordDelegate
- interval
Epos2LFCPrinter class
- initWithPrinterSeries
- connect
- disconnect
- startMonitor
- stopMonitor
- getStatus
- sendLFCData
- setLFCStatusChangeEventDelegate
- setSendCompleteEventDelegate
- setPrintCompleteEventDelegate
Epos2HybridPrinter class
- initWithLang
- connect
- disconnect
- startMonitor
- stopMonitor
- getStatus
- sendData
- beginTransaction
- endTransaction
- clearCommandBuffer
- selectPaperType
- waitInsertion
- cancelInsertion
- ejectPaper
- readMicrData
- cleanMicrReader
- forceRecover
- forcePulse
- forceCommand
- forceReset
- paperType
- interval
- waitTime
- mode40Cpl
- setStatusChangeEventDelegate
- setReceiveEventDelegate
Epos2LineDisplay class
- initWithDisplayModel
- connect
- disconnect
- getStatus
- sendData
- clearCommandBuffer
- addInitialize
- addCreateWindow
- addDestroyWindow
- addSetCurrentWindow
- addClearCurrentWindow
- addCreateScreen
- addCreateScreenCustom
- addCreateTextArea
- addDestroyTextArea
- addSetCurrentTextArea
- addClearCurrentTextArea
- addSetCursorPosition
- addMoveCursorPosition
- addSetCursorType
- addText
- addReverseText
- addMarqueeText
- addSetBlink
- addSetBrightness
- addBackgroundColor
- addStartSlideShow
- addStopSlideShow
- addDownloadImage
- addRegisterDownloadImage
- addNVImage
- addClearImage
- addSymbol
- addClearSymbol
- addShowClock
- addCommand
- setReceiveEventDelegate
Epos2Keyboard class
- init
- connect
- disconnect
- getStatus
- setPrefix
- getPrefix
- setKeyPressEventDelegate
- setReadStringEventDelegate
Epos2POSKeyboard class
- init
- connect
- disconnect
- getStatus
- setKeyPressEventDelegate
Epos2BarcodeScanner class
- init
- connect
- disconnect
- getStatus
- setScanEventDelegate
Epos2MSR class
- init
- connect
- disconnect
- getStatus
- setDataEventDelegate
Epos2SimpleSerial class
- init
- connect
- disconnect
- getStatus
- sendCommand
- setReceiveEventDelegate
Epos2GermanyFiscalElement class
- init
- connect
- disconnect
- getStatus
- operate
- setReceiveEventDelegate
Epos2OtherPeripheral class
- init
- connect
- disconnect
- getStatus
- sendData
- setReceiveEventDelegate
Epos2CommBox class
- init
- connect
- disconnect
- getStatus
- getCommHistory
- sendMessage
- setReceiveEventDelegate
Common to all classes
- getAdmin
- getLocation
- setConnectionEventDelegate
Epos2Discovery class
- start
- stop
Epos2Log class
- setLogSettings
- SdkVersion
Epos2BluetoothConnection class
- connectDevice
- disconnectDevice
EasySelect class
- parseNFC
- parseQR
- createQR
- parseBeacon
EasySelectInfo class
- deviceType
- printerName
- macAddress
- target
Appendix
- Status list
- Key code list
- List of Supported Classes
- List of Supported APIs
- Printer-specific Support Information
  - TM-m10
  - TM-m30
  - TM-m30II
  - TM-m30II-H
  - TM-m30II-NT
  - TM-m30II-S
  - TM-m30II-SL
  - TM-m30III
  - TM-m30III-H
  - TM-m50
  - TM-m50II
  - TM-m50II-H
  - TM-T20
  - TM-T20II
  - TM-T20III
  - TM-T20IIIL
  - TM-T20X
  - TM-T60
  - TM-T70
  - TM-T70II
  - TM-T81II
  - TM-T81III
  - TM-T82
  - TM-T82II
  - TM-T82III
  - TM-T82IIIL
  - TM-T82X
  - TM-T83III
  - TM-T88V
  - TM-T88VI
  - TM-T88VII
  - TM-T100
  - TM-L90 Liner-Free Label Printer Model
  - TM-L100
  - TM-U220
  - TM-U220II
  - TM-U330
  - TM-P20
  - TM-P20II
  - TM-P60 (Receipt)
  - TM-P60 (Peeler)
  - TM-P60II (Receipt)
  - TM-P60II (Peeler)
  - TM-P80
  - TM-P80II
  - TM-H6000V
  - TM-T20II-i
  - TM-T70-i
  - TM-T82II-i
  - TM-T83II-i
  - TM-T88V-i
  - TM-T88VI-iHUB
  - TM-U220-i
  - TM-U220IIB-i
  - TM-T70II-DT
  - TM-T70II-DT2
  - TM-T88V-DT
  - TM-T88VI-DT2
  - TM-H6000IV-DT
  - TM-T88IV
  - TM-T90
  - TM-L90
  - TM-H6000IV
- Usage restriction by firmware version