在安卓系统中进行语音识别后，无法在editText上打印文本

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.speech.RecognitionListener;
import android.speech.RecognizerIntent;
import android.speech.SpeechRecognizer;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity implements RecognitionListener {

    private static final int REQUEST_RECORD_AUDIO_PERMISSION = 200;
    private EditText editText;
    private SpeechRecognizer speechRecognizer;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // 获取录音权限
        ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.RECORD_AUDIO}, REQUEST_RECORD_AUDIO_PERMISSION);

        editText = findViewById(R.id.editText);

        Button startButton = findViewById(R.id.startButton);
        startButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startSpeechRecognition();
            }
        });

        // 初始化SpeechRecognizer
        speechRecognizer = SpeechRecognizer.createSpeechRecognizer(this);
        speechRecognizer.setRecognitionListener(this);
    }

    private void startSpeechRecognition() {
        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);
        intent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, getPackageName());
        speechRecognizer.startListening(intent);
    }

    @Override
    public void onResults(Bundle results) {
        ArrayList<String> voiceResults = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
        if (voiceResults != null && !voiceResults.isEmpty()) {
            String recognizedText = voiceResults.get(0);
            editText.setText(recognizedText);
        }
    }

    // 其他RecognitionListener的回调方法...

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (speechRecognizer != null) {
            speechRecognizer.destroy();
        }
    }
}