public class MainActivity extends Activity implements RecognitionListener

SpeechRecognizer speech = SpeechRecognizer.createSpeechRecognizer(this);
                 speech.setRecognitionListener(this);
                 intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
                 intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
                         RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
                 intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, "en-US");
                 intent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, this.getPackageName());
                 speech.startListening(intent);

ArrayList<String> result = data.getStringArrayListExtra(
RecognizerIntent.EXTRA_RESULTS);
textview.setText(result.get(0));

@Override
public void onBeginningOfSpeech() {

}

@Override
public void onRmsChanged(float rmsdB) {

}

@Override
public void onBufferReceived(byte[] buffer) {

}

@Override
public void onEndOfSpeech() {

}

@Override
public void onError(int error) {

}
@Override
public void onReadyForSpeech(Bundle params) {

}