CharacteristicSubscription class

Manages subscription to a characteristic's notifications or indications.

Instances are typically obtained via the notifications or indications getters on BleCharacteristic.

call subscribe to instruct the device to start sending data. call unsubscribe To stop receiving data and instruct the device to cease sending, call listen to register a callback to receive this data.. use isSupported to check if this operation is supported by the characteristic

Constructors

CharacteristicSubscription(BleCharacteristic _characteristic, CharacteristicProperty _property)

Properties

hashCode → int

The hash code for this object.

no setter, inherited

isSupported → bool

Indicates whether the characteristic supports the requested subscription type (notifications or indications).

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

listen(void onData(Uint8List event), {Function? onError, void onDone()?, bool? cancelOnError}) → StreamSubscription

Registers a listener for incoming data from the characteristic.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

subscribe({Duration? timeout}) → Future<void>

Subscribes to this characteristic.

toString() → String

A string representation of this object.

override

unsubscribe({Duration? timeout}) → Future<void>

Unsubscribes from this characteristic.

Operators

operator ==(Object other) → bool

The equality operator.

inherited