Instance Method

readerSession:didInvalidateWithError:

Provides information about the error that invalidated the reader session.

Required.

Declaration

- (void)readerSession:(NFCReaderSession *)session didInvalidateWithError:(NSError *)error;

Parameters

session

The reader session that is invalid.

error

A value that indicates the reason for invalidation.

Discussion

This method is called when the reader session becomes invalid, at which time the client should discard the returned reader session object.

See Also

Getting the Status of a Reader Session

- readerSession:didDetectTags:

Provides an array of tags detected by the reader session.

- readerSessionDidBecomeActive:

Tells you when radio-frequency polling is enabled and the reader session has become active and is scanning for tags.

Required.