onStreamsChange method
Returns a Stream of the ConferenceServiceEventNames.streamAdded, ConferenceServiceEventNames.streamUpdated, and ConferenceServiceEventNames.streamRemoved events. By subscribing to the returned stream you will be notified about new, changed, and removed streams of conference participants.
Implementation
Stream<Event<ConferenceServiceEventNames, StreamsChangeData>>
onStreamsChange() {
return _nativeEventsReceiver.addListener([
ConferenceServiceEventNames.streamAdded,
ConferenceServiceEventNames.streamUpdated,
ConferenceServiceEventNames.streamRemoved
]).map((event) {
final eventMap = event as Map<Object?, Object?>;
final eventType =
ConferenceServiceEventNames.valueOf(eventMap["key"] as String);
final streamsChangeData = eventMap["body"] as Map<Object?, Object?>;
return Event(
eventType,
StreamsChangeData(
ParticipantMapper.fromMap(
streamsChangeData["participant"] as Map<Object?, Object?>),
MediaStreamMapper.fromMap(
streamsChangeData["stream"] as Map<Object?, Object?>)));
});
}