apple.corenfc.protocol

Interface NFCTagReaderSessionDelegate

public interface NFCTagReaderSessionDelegate

[@protocol] NFCTagReaderSessionDelegate

Tag reader session delegate

Method Summary

Modifier and Type	Method and Description
default void	tagReaderSessionDidBecomeActive(NFCTagReaderSession session) tagReaderSessionDidBecomeActive:
default void	tagReaderSessionDidDetectTags(NFCTagReaderSession session, NSArray<?> tags) tagReaderSession:didDetectTags:
void	tagReaderSessionDidInvalidateWithError(NFCTagReaderSession session, NSError error) tagReaderSession:didInvalidateWithError:

Method Detail

tagReaderSessionDidDetectTags

default void tagReaderSessionDidDetectTags(NFCTagReaderSession session,
                                           NSArray<?> tags)

tagReaderSession:didDetectTags:

Gets called when the reader detects NFC tag(s) in the polling sequence.

Parameters:

session - The session object used for tag detection.

tags - Array of @link NFCTag @link/ objects.

tagReaderSessionDidInvalidateWithError

void tagReaderSessionDidInvalidateWithError(NFCTagReaderSession session,
                                            NSError error)

tagReaderSession:didInvalidateWithError:

Gets called when a session becomes invalid. At this point the client is expected to discard the returned session object.

Parameters:

session - The session object that is invalidated.

error - The error indicates the invalidation reason.

tagReaderSessionDidBecomeActive

default void tagReaderSessionDidBecomeActive(NFCTagReaderSession session)

tagReaderSessionDidBecomeActive:

Gets called when the NFC reader session has become active. RF is enabled and reader is scanning for tags. The @link readerSession:didDetectTags: @link/ will be called when a tag is detected.

Parameters:

session - The session object in the active state.