enableEarBack method Null safety

Future<int> enableEarBack(
  1. bool enabled,
  2. int volume
)

Enable or disable the in-ear monitoring feature

enabled true: enable in-ear monitoring; false: disable in-ear monitoring volume In-ear monitoring volume: 0 - 100. The default value is 100.

Implementation

Future<int> enableEarBack(bool enabled, int volume) async {
  IntValue reply = await _api.enableEarback(EnableEarbackRequest()
    ..enabled = enabled
    ..volume = volume);
  return reply.value ?? -1;
}