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Android语音识别权限不足(错误代码9)

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我试图在没有标准对话框的情况下实现语音识别(它在对话框中工作正常) .

我尝试开始收听时收到错误代码9 .

我的设备是LG G Stylo(运行Android 6.0) .

表现:

<manifest package="example.com.myapplication"
      xmlns:android="http://schemas.android.com/apk/res/android">
<uses-permission android:name="android.permission.RECORD_AUDIO"/>
<application
 .....

(也尝试添加INTERNET权限,即使这不应该是必要的,因为离线识别应该正常工作)

的build.gradle:

compileSdkVersion 23
buildToolsVersion "23.0.2"

defaultConfig {
    applicationId "example.com.appname"
    minSdkVersion 19
    targetSdkVersion 23
    versionCode 1
    versionName "1.0"
}

语音识别码:

private SpeechRecognizer speechRecognizer;

protected void onCreate(Bundle savedInstanceState) {
  speechRecognizer = SpeechRecognizer.createSpeechRecognizer(this);
  speechRecognizer.setRecognitionListener(new speech_listener());
  Intent intent = new intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
  intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
     RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
  intent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE,
       getApplication().getPackageName());
  intent.putExtra(RecognizerIntent.EXTRA_MAX_RESULTS, 1);
  intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, Locale.ENGLISH);
  speechRecognizer.startListening(intent);

监听器(内部)类:

class speech_listener implements RecognitionListener
{
  public void onReadyForSpeech(Bundle params){}
  public void onBeginningOfSpeech(){}
  public void onRmsChanged(float rmsdB){}
  public void onBufferReceived(byte[] buffer){}
  public void onEndOfSpeech(){}
  public void onError(int error){
    Log.d("Speech", "error: " + error);
  }
  public void onResults(Bundle results)
  {
    ArrayList data = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
    String answer = (String)data.get(0);
    processAnswer(answer);
  }
  public void onPartialResults(Bundle partialResults){}
  public void onEvent(int eventType, Bundle params){}
}

任何见解将不胜感激 .

3 回答

  • 13

    在Android 6上,此权限是危险的权限之一,这意味着您需要让用户确认它(实际获取它) . 有关详细信息,请查看thisthis .

  • 11

    添加到Sam的answer:当您在Android 6上开发应用程序时,可能不会提示您批准"dangerous"录制音频(麦克风)权限,因此您需要在“设置”中手动打开应用程序并授予权限 .

    Screenshot of manually granting app permission

  • 0

    虽然答案就在那里,但你必须将它们从许多部分组合在一起 . 什么对我有用(我得到了同样的错误):

    • 将权限添加到清单中: <uses-permission android:name="android.permission.RECORD_AUDIO" />
      从我的logcat

    • ,我强烈感觉以下权限也是必要的: <uses-permission android:name="android.permission.BLUETOOTH" /> 尝试添加它,如果其他一切都失败

    • 在较新版本的android中,您还必须在运行时请求用户的许可 . 在正确的位置执行此操作至关重要,您无法在代码中的任何位置运行权限请求,必须从UI线程运行 . 对我来说,以下工作:

    void doPermAudio()
    {
        int MY_PERMISSIONS_RECORD_AUDIO = 1;
        MainActivity thisActivity = this;
    
       if (ContextCompat.checkSelfPermission(this,
            Manifest.permission.RECORD_AUDIO)
            != PackageManager.PERMISSION_GRANTED) {
    
               ActivityCompat.requestPermissions(thisActivity,
                    new String[]{Manifest.permission.RECORD_AUDIO},
                    MY_PERMISSIONS_RECORD_AUDIO);
            }
        }
    }
    
    // in main activity's onCreate
    protected void onCreate(Bundle savedInstanceState) {
        this.runOnUiThread(new Runnable() {
            @Override
            public void run() {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                    doPermAudio();
                }
            }
         });
    }
    
    • ,也就是其他地方提到的,你可能会在启动监听意图时得到错误的9来声明一个错误的包名,因为似乎很多人从网上的一个样本中复制了他们的函数,其中包名是明确写的出:
    void listen()
    {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
                intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
                String pkg = getApplication().getPackageName();
                intent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, pkg);
    
                sr.startListening(intent);
    
            }
        });
    }
    

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