NFCAdapter

Base library 2.11.2 starts to be supported, and low versions need to be compatible.

Property

Object tech

Label type enumerity

Property	Type	Description
ndef	string	Corresponding to NDEF instance, instance supports reading and writing of NDEF data on NDEF formats
nfcA	string	Corresponding to NFCA instance, instance supports reading and writing of NFC-A (ISO 14443-3A) standards
nfcB	string	Corresponding to NFCB instance, instance supports reading and writing of NFC-B (ISO 14443-3B) standards
isoDep	string	Corresponding to the ISODEP instance, instance supports the reading and writing of ISO-DEP (ISO 14443-4) standard
nfcF	string	Corresponding to NFCF instance, instance supports reading and writing of NFC-F (JIS 6319-4) standard
nfcV	string	Corresponding to NFCV instance, instance supports reading and writing of NFC-V (ISO 15693) standards
mifareClassic	string	Corresponding to the MIFARCLASSIC instance, instance supports reading and writing of Mifare Classic tags
mifareUltralight	string	Corresponding to the MIFAREULTRALIGHT instance, instance supports reading and writing of Mifare UltraLight tags

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method:

IsoDep NFCAdapter.getIsoDep()

Basic Branch 2.11.2 Start support, low version needs to do Compatibility 。

Get the ISODEP instance, instance supports the reading and writing of ISO-DEP (ISO 14443-4) standard

return value

IsoDep

MifareClassic NFCAdapter.getMifareClassic()

Basic Branch 2.11.2 Start support, low version needs to do Compatibility 。

Get a MIFARECLASSIC instance, instance supports the read and write of the Mifare Classic tag

return value

MifareClassic

MifareUltralight NFCAdapter.getMifareUltralight()

Basic Branch 2.11.2 Start support, low version needs to do Compatibility 。

Get the MIFAREULTRALIGHT instance, instance supports the read and write of the Mifare UltraLight tag

return value

MifareUltralight

Ndef NFCAdapter.getNdef()

Base library 2.11.2 starts to be supported, and low versions need to be compatible.

Get an example of Ndef that supports the reading and writing of NDF data on NFC labels in NFC format

Returns a value

Ndef

NfcA NFCAdapter.getNfcA()

Base library 2.11.2 starts to be supported, and low versions need to be compatible.

Get an NfcA instance that supports reading and writing to the NFC-A (ISO 14443-3A) standard

Returns a value

NfcA

NfcB NFCAdapter.getNfcB()

Base library 2.11.2 starts to be supported, and low versions need to be compatible.

Get an NfcB instance that supports reading and writing to the NFC-B (ISO 14443-3B) standard

Returns a value

NfcB

NfcF NFCAdapter.getNfcF()

Base library 2.11.2 starts to be supported, and low versions need to be compatible.

Get an NfcF instance that supports reading and writing to the NFC-F (JIS 6319-4) standard

Returns a value

NfcF

NfcV NFCAdapter.getNfcV()

Base library 2.11.2 starts to be supported, and low versions need to be compatible.

Get an NfcV instance that supports reading and writing to the NFC-V (ISO 15693) standard

Returns a value

NfcV

NFCAdapter.offDiscovered(function callback)

Base library 2.11.2 starts to be supported, and low versions need to be compatible.

Cancel listening to NFC Tags

Parameters

function callback

The callback function of

NFCAdapter.onDiscovered(function callback)

Base library 2.11.2 starts to be supported, and low versions need to be compatible.

Listen to NFC Tags

Parameters

function callback

The callback function of

Parameters

Object res

Property	Type	Description
techs	Array	An array of techs that matches exactly what criteria (NfcA, etc.) can be used to handle NFC cards
messages	Array	NdefMessage array

NFCAdapter.startDiscovery(Object object)

Base library 2.11.2 starts to be supported, and low versions need to be compatible.

Parameters

Object object

Property	Type	The default	Required	Description
success	function		Whether	The interface calls a successful callback function
fail	function		Whether	The interface calls the failed callback function
complete	function		Whether	Callback function at end of interface call (call succeeds, fails are executed)

NFCAdapter.stopDiscovery(Object object)

Base library 2.11.2 starts to be supported, and low versions need to be compatible.

Parameters

Object object

Property	Type	The default	Required	Description
success	function		Whether	The interface calls a successful callback function
fail	function		Whether	The interface calls the failed callback function
complete	function		Whether	Callback function at end of interface call (call succeeds, fails are executed)