Package apple.corenfc.protocol

Interface NFCReaderSessionDelegate

public interface NFCReaderSessionDelegate

[@protocol] NFCReaderSession General reader session callbacks API-Since: 11.0

Method Summary

Modifier and Type	Method	Description
void	readerSessionDidBecomeActive(@NotNull NFCReaderSession session)	readerSessionDidBecomeActive: Gets called when the NFC reader session has become active.
default void	readerSessionDidDetectTags(@NotNull NFCReaderSession session, @NotNull NSArray<?> tags)	readerSession:didDetectTags: Gets called when the reader detects NFC tag(s) in the polling sequence.
void	readerSessionDidInvalidateWithError(@NotNull NFCReaderSession session, @NotNull NSError error)	readerSession:didInvalidateWithError: Gets called when a session becomes invalid.

Method Detail

readerSessionDidDetectTags

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

readerSession:didDetectTags: Gets called when the reader detects NFC tag(s) in the polling sequence. API-Since: 11.0

Parameters:

session - The session object used for tag detection.

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

readerSessionDidInvalidateWithError

void readerSessionDidInvalidateWithError(@NotNull
                                         @NotNull NFCReaderSession session,
                                         @NotNull
                                         @NotNull NSError error)

readerSession:didInvalidateWithError: Gets called when a session becomes invalid. At this point the client is expected to discard the returned session object. API-Since: 11.0

Parameters:

session - The session object that is invalidated.

error - The error indicates the invalidation reason.

readerSessionDidBecomeActive

void readerSessionDidBecomeActive(@NotNull
                                  @NotNull 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. API-Since: 11.0

Parameters:

session - The session object in the active state.