没有弹出的Android语音识别应用程序

时间:2013-04-26 04:33:00

标签: java android voice-recognition

我目前正在寻找JAVA的职业生涯,并决定从构建应用程序开始。 我在这里有这个代码,我用它来触发语音识别。

public class MainActivity extends Activity implements OnClickListener{

private static final int VR_REQUEST = 999;
private ListView wordList;
private final String LOG_TAG = "SpeechRepeatActivity";  
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Button speechBtn = (Button) findViewById(R.id.speech_btn);
    wordList = (ListView) findViewById (R.id.word_list);
    PackageManager packManager= getPackageManager();
    List<ResolveInfo> intActivities = packManager.queryIntentActivities
                    (new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);
    if (intActivities.size() !=0){
        speechBtn.setOnClickListener(this);
    } else {
        speechBtn.setEnabled(false);
        Toast.makeText(this,"Oops - Speech Recognition Not Supported!", 
                                             Toast.LENGTH_LONG).show();
        }       
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
}
public void onClick(View v){
   if (v.getId() == R.id.speech_btn) {
    listenToSpeech();
   }
}
    private void listenToSpeech() {
    //start the speech recognition intent passing required data
    Intent listenIntent = 
                     new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
    //indicate package
    listenIntent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE,
                                        getClass().getPackage().getName());
    //message to display while listening
    listenIntent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Say a word!");
    //set speech model
    listenIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, 
                                 RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
    //specify number of results to retrieve
    listenIntent.putExtra(RecognizerIntent.EXTRA_MAX_RESULTS, 10);
    //start listening
    startActivityForResult(listenIntent, VR_REQUEST);
}
    @Override
    protected void onActivityResult(int requestCode, 
                                             int resultCode, Intent data) {
        //check speech recognition result 
        if (requestCode == VR_REQUEST && resultCode == RESULT_OK) {
    //store the returned word list as an ArrayList
    ArrayList<String> suggestedWords = data.
                     getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
    //set the retrieved list to display in the ListView 
            //using an ArrayAdapter
    wordList.setAdapter(new ArrayAdapter<String> 
                                       (this, R.layout.word, suggestedWords));
}
    //this detects which one the user clicks 
    wordList.setOnItemClickListener(new OnItemClickListener(){
        //click listener for items within list
        public void onItemClick(AdapterView<?> parent, 
                                           View view, int position, long id){
        //cast the 
        TextView wordView = (TextView)
        //retrive the chosen word
        String wordChosen= (String) wordView.
        //output for debugging
        Log.v(LOG_TAG, "chosen:" +wordChosen);
     }});
        super.onActivityResult(requestCode, resultCode, data);
  }
}

在这个应用程序中,用户按下一个按钮并显示在Google语音输入屏幕上,您可以在其中单击一个按钮(它实际上自动进入),您可以说话,它将停止并显示它。我不希望那个窗口弹出来。相反,只需让用户点击按钮即可发言并让应用停止并自动显示文本(已经这样做了。)

请!我知道表格上已有答案显示如何执行此操作,事实上用户名JEEZ已发布some code right here

我不知道我是否理解将其放在项目文件中的位置。我是一个NOOB!如果有人可以帮助澄清这一点,我将非常感谢您的帮助。

这是我的代码:

package com.example.speechrecognizertest;

import android.os.Bundle;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.speech.RecognitionListener;
import android.speech.RecognizerIntent;
import android.speech.SpeechRecognizer;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
import android.widget.TextView;
import android.app.Activity;
import android.view.Menu;

public class MainActivity extends Activity {

private static final int VR_REQUEST = 999;
public static final String TAG = null;
private ListView wordList;
private final String LOG_TAG = "SpeechRepeatActivity";
private SpeechRecognizer mSpeechRecognizer;
private Intent mSpeechRecognizerIntent; 
private boolean mIslistening; 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Button speechBtn = (Button) findViewById(R.id.speech_btn);
    wordList = (ListView) findViewById(R.id.word_list);
    PackageManager packManager = getPackageManager();
    List<ResolveInfo> intActivities = packManager.queryIntentActivities(
            new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);
    mSpeechRecognizer = SpeechRecognizer.createSpeechRecognizer(this);
    mSpeechRecognizerIntent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
    mSpeechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
                                     RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
    mSpeechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE,
                                     this.getPackageName());
    if (!mIslistening)
    {
        mSpeechRecognizer.startListening(mSpeechRecognizerIntent);
    } else {
        speechBtn.setEnabled(false);
        Toast.makeText(this, "Oops - Speech Recognition Not Supported!",
                Toast.LENGTH_LONG).show();
    }
}


@Override
protected void onDestroy() {
    // TODO Auto-generated method stub
    super.onDestroy();
}


@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
}



protected class SpeechRecognitionListener implements RecognitionListener
{

    @Override
    public void onBeginningOfSpeech()
    {               
        //Log.d(TAG, "onBeginingOfSpeech"); 
    }

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

    }

    @Override
    public void onEndOfSpeech()
    {
        //Log.d(TAG, "onEndOfSpeech");
     }

    @Override
    public void onError(int error)
    {
         mSpeechRecognizer.startListening(mSpeechRecognizerIntent);

        //Log.d(TAG, "error = " + error);
    }

    @Override
    public void onEvent(int eventType, Bundle params)
    {

    }

    @Override
    public void onPartialResults(Bundle partialResults)
    {

    }

    @Override
    public void onReadyForSpeech(Bundle params)
    {
        Log.d(TAG, "OnReadyForSpeech"); //$NON-NLS-1$
    }

    @Override
    public void onResults(Bundle results)
    {
        //Log.d(TAG, "onResults"); //$NON-NLS-1$
        ArrayList<String> suggestedWords =      results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
        // matches are the return values of speech recognition engine
        // Use these values for whatever you wish to do

        wordList.setAdapter(new ArrayAdapter<String>(this, R.layout.word, suggestedWords));



    }

    @Override
    public void onRmsChanged(float rmsdB)
    {

    }

}

4 个答案:

答案 0 :(得分:35)

AndroidManifest.xml

添加以下权限:

<uses-permission android:name="android.permission.RECORD_AUDIO" />

班级成员

private SpeechRecognizer mSpeechRecognizer;
private Intent mSpeechRecognizerIntent; 
private boolean mIslistening; 

在onCreate

@Override
protected void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);
    .........
    .........
    mSpeechRecognizer = SpeechRecognizer.createSpeechRecognizer(this);
    mSpeechRecognizerIntent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
    mSpeechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
                                     RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
    mSpeechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE,
                                     this.getPackageName());


    SpeechRecognitionListener listener = new SpeechRecognitionListener();
    mSpeechRecognizer.setRecognitionListener(listener);

}   
按钮监听器中的

只需使用此代码

if (!mIsListening)
{
    mSpeechRecognizer.startListening(mSpeechRecognizerIntent);
}

在onDestroy

if (mSpeechRecognizer != null)
{
        mSpeechRecognizer.destroy();
}

在您的活动中创建内部类

protected class SpeechRecognitionListener implements RecognitionListener
{

    @Override
    public void onBeginningOfSpeech()
    {               
        //Log.d(TAG, "onBeginingOfSpeech"); 
    }

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

    }

    @Override
    public void onEndOfSpeech()
    {
        //Log.d(TAG, "onEndOfSpeech");
     }

    @Override
    public void onError(int error)
    {
         mSpeechRecognizer.startListening(mSpeechRecognizerIntent);

        //Log.d(TAG, "error = " + error);
    }

    @Override
    public void onEvent(int eventType, Bundle params)
    {

    }

    @Override
    public void onPartialResults(Bundle partialResults)
    {

    }

    @Override
    public void onReadyForSpeech(Bundle params)
    {
        Log.d(TAG, "onReadyForSpeech"); //$NON-NLS-1$
    }

    @Override
    public void onResults(Bundle results)
    {
        //Log.d(TAG, "onResults"); //$NON-NLS-1$
        ArrayList<String> matches = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
        // matches are the return values of speech recognition engine
        // Use these values for whatever you wish to do
    }

    @Override
    public void onRmsChanged(float rmsdB)
    {
    }
}

编辑2015-02-07:将ZakiMakBorn To Win的问题答案中的代码纳入此答案的代码中,以使此更完整。

答案 1 :(得分:8)

这篇帖子已经很久了。仍然对于那些正在寻找的人来说,Hoan提供的上述代码几乎已经完成,但缺少一条重要的路线。问题和答案都是如此,我不确定如果没有它,它是如何工作的。

您需要创建SpeechRecognitionListener并将其设置为SpeechRecognizer的侦听器。此外,我们必须在调用SpeechRecognizer的startListening()方法之前完成。

  

SpeechRecognitionListener listener = new SpeechRecognitionListener();   mSpeechRecognizer.setRecognitionListener(受听者);

然后你还需要从onError事件中删除监听器。

答案 2 :(得分:8)

不要忘记添加以下权限: -

<uses-permission android:name="android.permission.RECORD_AUDIO" />

答案 3 :(得分:0)

我也遇到了这个问题。似乎让startActivityForResult(...)启用弹出式麦克风,然后您可以在onActivityResult()中处理响应。但是,只需添加startActivityForResult搞砸了我的startListening(mSpeechRecognizerIntent),您就可能需要进行更多调整。

mSpeechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
                                     RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
mSpeechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE,
                                     this.getPackageName());
startActivityForResult(recognizerIntent, 100);

// call back
onActivityResult(int requestCode, int resultCode, Intent data){...}