Ndef class

The class provides access to NDEF operations on the tag.

Acquire Ndef instance using Ndef.from.

Constructors

Ndef({required NfcTag tag, required bool isWritable, required int maxSize, required NdefMessage? cachedMessage, required Map<String, dynamic> additionalData})

Constructs an instance with the given values for testing.

const

Properties

additionalData → Map<String, dynamic>

The value represents some additional data.

final

cachedMessage → NdefMessage?

The value from Ndef#cachedNdefMessage on Android, NFCNDEFTag#read on iOS.

final

hashCode → int

The hash code for this object.

no setter, inherited

isWritable → bool

The value from Ndef#isWritable on Android, NFCNDEFTag#queryStatus on iOS.

final

maxSize → int

The value from Ndef#maxSize on Android, NFCNDEFTag#queryStatus on iOS.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

read() → Future<NdefMessage>

Read the current NDEF message on this tag.

toString() → String

A string representation of this object.

inherited

write(NdefMessage message) → Future<void>

Write the NDEF message on this tag.

writeLock() → Future<void>

Change the NDEF status to read-only.

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

from(NfcTag tag) → Ndef?

Get an instance of Ndef for the given tag.