在Android Studio中，您可以使用SpeechRecognizer类来实现语音识别功能。下面是一个示例代码，演示了如何在onResults方法中处理识别结果：

import android.speech.RecognitionListener;
import android.speech.RecognizerIntent;
import android.speech.SpeechRecognizer;

// 在您的活动或片段中实例化SpeechRecognizer对象
private SpeechRecognizer speechRecognizer;

// 初始化语音识别
private void initSpeechRecognizer() {
    if (SpeechRecognizer.isRecognitionAvailable(this)) {
        speechRecognizer = SpeechRecognizer.createSpeechRecognizer(this);
        speechRecognizer.setRecognitionListener(new RecognitionListener() {
            @Override
            public void onResults(Bundle results) {
                // 处理识别结果
                ArrayList matches = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
                if (matches != null && !matches.isEmpty()) {
                    String recognizedText = matches.get(0);
                    // 在这里执行您的操作，例如将识别的文本显示在UI上
                    textView.setText(recognizedText);
                }
            }

            // 其他RecognitionListener方法（onReadyForSpeech，onError，onEnd等）的实现
        });
    }
}

// 开始语音识别
private void startSpeechRecognition() {
    if (speechRecognizer != null) {
        Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
        intent.putExtra(RecognizerIntent.EXTRA_MAX_RESULTS, 1);
        speechRecognizer.startListening(intent);
    }
}

// 停止语音识别
private void stopSpeechRecognition() {
    if (speechRecognizer != null) {
        speechRecognizer.stopListening();
    }
}

以上代码包含了初始化语音识别和处理识别结果的逻辑。您可以根据自己的需求进行修改和扩展。记得在AndroidManifest.xml文件中添加相应的权限：

希望这可以帮助到您！