cancelRecording method
Implementation
Future<void> cancelRecording() async {
var filePath = await record.stop();
File(filePath!).delete();
_audioTimer?.cancel();
record.dispose();
_audioTimer = null;
isAudioRecording(Constants.audioRecordDelete);
Future.delayed(const Duration(milliseconds: 1500),
() => isAudioRecording(Constants.audioRecordInitial));
}