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();
}