NFC－getNFCAdapter

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The API usage is as follows: NFCAdapter wx.getNFCAdapter()

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Support:

• Android： Support
• iOS： Not supported

• Functional description: Get NFC instances
• Parameters and descriptions: Return NFCAdapter NFC instance
• Error code

  Error code	Error message	Description
  13000	The device does not support NFC	-
  13001	The system NFC switch is not turned on	-
  13010	Unknown error	-
  13019	user is not authorized	The user is not authorized
  13011	invalid parameter	Invalid parameters
  13012	parse NdefMessage failed	Failed to parse parameters into NdefMessage
  13021	NFC discovery already started	NFC scanning has started
  13018	NFC discovery has not started	Attempt to stop NFC scanning when NFC scanning has not started
  13022	Tech already connected	The tag is already connected
  13023	Tech has not connected	Attempt to disconnect when the tag is not connected
  13013	NFC tag has not been discovered	NFC tag not scanned
  13014	invalid tech	Invalid tag technology
  13015	unavailable tech	Failed to obtain the corresponding technology from the tag
  13024	function not support	The current tag technology does not support this function
  13017	system internal error	Related read and write operations failed
  13016	connect fail	Connection failed