startListeningProgressChange function

CancelListening startListeningProgressChange(
  1. Listener listener
)

Implementation

CancelListening startListeningProgressChange(Listener listener) {
  const _channel =
      EventChannel('com.spren/spren_flutter_event_progress_update');
  var subscription = _channel
      .receiveBroadcastStream(nextListenerId++)
      .listen(listener, cancelOnError: true);
  return () {
    subscription.cancel();
  };
}