NFCTypeNameFormat.empty A type indicating that the payload contains no data. Declarationcase empty Mentioned inAdding Support for Background Tag Reading See AlsoContent TypesNFCTypeNameFormat.absoluteURINFCTypeNameFormat.mediaNFCTypeNameFormat.nfcExternalNFCTypeNameFormat.nfcWellKnownNFCTypeNameFormat.unchangedNFCTypeNameFormat.unknown