dispose method

void dispose()

Call dispose() before close using vais speech

Implementation

void dispose() {
  if (recording != null
      && recording!.status != RecordingStatus.Initialized
      &&  recording!.status != RecordingStatus.Unset
      &&  recording!.status != RecordingStatus.Stopped) {
    stop();
  }
  _streamingController?.dispose();
  _durationTimer?.cancel();
  Wakelock.disable();
}