getLastSpeechRecognitionResult method
获取最后一次识别结果
Implementation
@override
Future<SpeechRecognitionResult?> getLastSpeechRecognitionResult() async {
final result = await methodChannel
.invokeMethod<Map<dynamic, dynamic>>('getLastSpeechRecognitionResult');
if (result == null) return null;
return SpeechRecognitionResult.fromMap(result);
}