startListeningStateChange function

CancelListening startListeningStateChange(
  1. Listener listener
)

Implementation

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