characteristicValueStreamOf static method
to get update of a specific characteristic
Implementation
static Stream characteristicValueStreamOf({
required String address,
required String serviceId,
required String characteristicId,
}) {
return _characteristicValueStreamController.stream
.where((event) =>
event["address"] == address &&
event["serviceId"] == serviceId &&
event["characteristicId"] == characteristicId)
.map((event) => event["value"]);
}