Structure

NFCReaderError

An error type that indicates problems with reader sessions or tags.

Declaration

struct NFCReaderError

Topics

Error Information

var errorCode: Int

The error code.

var errorUserInfo: [String : Any]

Additional details about an error.

var localizedDescription: String

A user-facing, localized string that describes the error.

Error Codes

static var readerErrorUnsupportedFeature: NFCReaderError.Code

The reader session does not support this feature.

static var readerSessionInvalidationErrorFirstNDEFTagRead: NFCReaderError.Code

The first NDEF tag read by this session is invalid.

static var readerSessionInvalidationErrorSessionTerminatedUnexpectedly: NFCReaderError.Code

The reader session terminated unexpectedly.

static var readerSessionInvalidationErrorSessionTimeout: NFCReaderError.Code

The reader session timed out.

static var readerSessionInvalidationErrorSystemIsBusy: NFCReaderError.Code

The reader session failed because the system is busy.

static var readerSessionInvalidationErrorUserCanceled: NFCReaderError.Code

The user canceled the reader session.

static var readerTransceiveErrorRetryExceeded: NFCReaderError.Code

Too many retries have occurred.

static var readerTransceiveErrorTagConnectionLost: NFCReaderError.Code

Connection to the tag has been lost.

static var readerTransceiveErrorTagResponseError: NFCReaderError.Code

The tag has responded with an error.

static var tagCommandConfigurationErrorInvalidParameters: NFCReaderError.Code

The tag has been configured with invalid parameters.

static var readerErrorSecurityViolation: NFCReaderError.Code

A security violation associated with the reader session has occurred.

enum NFCReaderError.Code

Reader session and tag error codes.

Error Domain

static var errorDomain: String

The error domain for this error.

let NFCErrorDomain: String

The error domain for errors associated with Core NFC APIs.

Operator Functions

static func != (NFCReaderError, NFCReaderError) -> Bool

Returns a Boolean value indicating whether two values are not equal.