apple.corenfc.protocol

Interface NFCReaderSessionDelegate

public interface NFCReaderSessionDelegate

[@protocol] NFCReaderSession

General reader session callbacks

Method Summary

Modifier and Type	Method and Description
void	readerSessionDidBecomeActive(NFCReaderSession session) readerSessionDidBecomeActive:
default void	readerSessionDidDetectTags(NFCReaderSession session, NSArray<?> tags) readerSession:didDetectTags:
void	readerSessionDidInvalidateWithError(NFCReaderSession session, NSError error) readerSession:didInvalidateWithError:

Method Detail

readerSessionDidDetectTags

default void readerSessionDidDetectTags(NFCReaderSession session,
                                        NSArray<?> tags)

readerSession: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.

readerSessionDidInvalidateWithError

void readerSessionDidInvalidateWithError(NFCReaderSession session,
                                         NSError error)

readerSession: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.

readerSessionDidBecomeActive

void readerSessionDidBecomeActive(NFCReaderSession session)

readerSessionDidBecomeActive:

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.