Package apple.corenfc.protocol

Interface NFCTagReaderSessionDelegate

public interface NFCTagReaderSessionDelegate

[@protocol] NFCTagReaderSessionDelegate Tag reader session delegate API-Since: 13.0

Method Summary

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

Method Detail

tagReaderSessionDidDetectTags

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

tagReaderSession:didDetectTags: Gets called when the reader detects NFC tag(s) in the polling sequence. API-Since: 13.0

Parameters:

session - The session object used for tag detection.

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

tagReaderSessionDidInvalidateWithError

void tagReaderSessionDidInvalidateWithError(@NotNull
                                            @NotNull NFCTagReaderSession session,
                                            @NotNull
                                            @NotNull NSError error)

tagReaderSession:didInvalidateWithError: Gets called when a session becomes invalid. At this point the client is expected to discard the returned session object. API-Since: 13.0

Parameters:

session - The session object that is invalidated.

error - The error indicates the invalidation reason.

tagReaderSessionDidBecomeActive

default void tagReaderSessionDidBecomeActive(@NotNull
                                             @NotNull 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. API-Since: 13.0

Parameters:

session - The session object in the active state.