Class NdefMessage

Namespace

Iot.Device.Ndef

Assembly

Iot.Device.Ndef.dll

Create a NDEF = NFC Data Exchange Format Message class

public class NdefMessage

Inheritance

object

NdefMessage

Constructors

NdefMessage()

Create an empty NDEF Message

public NdefMessage()

NdefMessage(SpanByte)

Create NDEF Message from a span of bytes

public NdefMessage(SpanByte message)

Parameters

message SpanByte

the message in span of bytes

Fields

GeneralPurposeByteNdefVersion

Associated with the GeneralPurposeByteConsitions, it tells if a sector is read/write and a valid NDEF sector

public const byte GeneralPurposeByteNdefVersion = 64

Field Value

byte

Properties

Length

Get the length of the message

public int Length { get; }

Property Value

int

Records

List of all NDEF Records

public ListNdefRecord Records { get; set; }

Property Value

ListNdefRecord

Methods

ExtractMessage(SpanByte)

Extract an NDEF message from a raw byte array

public static byte[]? ExtractMessage(SpanByte toExtract)

Parameters

toExtract SpanByte

The byte array where the message is

Returns

byte[]

A byte array containing the message itself

GetStartSizeNdef(SpanByte)

From a raw message, find the start and stop of an NDEF message

public static Doublet GetStartSizeNdef(SpanByte toExtract)

Parameters

toExtract SpanByte

The byte array where the message is

Returns

Doublet

The start and end position

Serialize(SpanByte)

Serialize the message in a span of bytes

public void Serialize(SpanByte messageSerialized)

Parameters

messageSerialized SpanByte

Span of bytes for the serialized message