android-即使传递了哈希映射参数,Utterance进度侦听器也不会被调用

概述这是我的代码,我有一系列的问题会被TTS询问,并且在每个问题之后都会调用语音识别器.我的话语监听器永远不会被调用.@OverrideprotectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);setContentView(R.

这是我的代码,我有一系列的问题会被TTS询问,并且在每个问题之后都会调用语音识别器.我的话语监听器永远不会被调用.

   @OverrIDe        protected voID onCreate(Bundle savedInstanceState) {            super.onCreate(savedInstanceState);            setContentVIEw(R.layout.activity_speech_recognizer);            tts = new TextToSpeech(this /* context */, this /* Listener */);}//This is called after first time user clicks a button    private voID processEnquiry() {            // Todo auto-generated method stub            for(int i=0;i<EnquiryList.size();i++)            {                speak(EnquiryList.get(i).toString());            }        }        @OverrIDe        public voID onInit(int status) {            if (status == TextToSpeech.SUCCESS) {                initialized = true;                tts.setLanguage(Locale.ENGliSH);                if (queuedText != null) {                    speak(queuedText);                }            }        }        public voID speak(String text) {            // If not yet initialized, queue up the text.            if (!initialized) {                queuedText = text;                return;            }            queuedText = null;            // Before speaking the current text, stop any ongoing speech.            //tts.stop();            // Speak the text.            setTtsListener();            HashMap<String, String> map = new HashMap<String, String>();            map.put(TextToSpeech.Engine.KEY_ParaM_UTteraNCE_ID,"MessageID");            tts.speak(text, TextToSpeech.QUEUE_ADD, map);        }    private voID setTtsListener()        {        final SpeechRecognizer callWithResult = this;        int ListenerResult = tts.setonUtteranceProgressListener(new UtteranceProgressListener()        {        @OverrIDe        public voID onDone(String utteranceID)        {        callWithResult.onDone(utteranceID);        }        @OverrIDe        public voID one rror(String utteranceID)        {        callWithResult.onError(utteranceID);        }        @OverrIDe        public voID onStart(String utteranceID)        {        callWithResult.onStart(utteranceID);        }        });        if (ListenerResult != TextToSpeech.SUCCESS)        {        Log.e(TAG, "Failed to add utterance progress Listener");        }        }         public voID onDone(String utteranceID)         {             callSpeechRecognition();         }         public voID one rror(String utteranceID)         {         }         public voID onStart(String utteranceID)         {         }

TextToSpeech.SUCCESS返回0.

@R_404_6120@:

这是脚本的修改版本,其中调用了Utterance侦听器中的onDone()方法.我消除了许多未直接与TTS播放相关的功能,以创建准系统样本.如果这对您有用,那么您可以一个接一个地添加其他功能,测试在途中没有任何中断.

import androID.app.Activity;import androID.os.Bundle;import androID.speech.SpeechRecognizer;import androID.speech.tts.TextToSpeech;import androID.speech.tts.UtteranceProgressListener;import androID.util.Log;import androID.vIEw.VIEw;import java.util.HashMap;import java.util.Locale;public class MainActivity extends Activity implements TextToSpeech.OnInitListener {    private TextToSpeech tts;    private SpeechRecognizer sr;    private boolean initialized;    private String queuedText;    private String TAG = "TTS";    @OverrIDe    protected voID onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentVIEw(R.layout.activity_speech_recognizer);        tts = new TextToSpeech(this /* context */, this /* Listener */);        tts.setonUtteranceProgressListener(mProgressListener);        sr = SpeechRecognizer.createSpeechRecognizer(this); // added    }    // ModifIEd for testing purposes    //This is called after first time user clicks a button    /*    private voID processEnquiry() {        for (int i = 0; i < EnquiryList.size(); i++) {            speak(EnquiryList.get(i).toString());        }    }    */    public voID processEnquiry(VIEw v) {        speak("Process enquiry");    }    // End of modification    @OverrIDe    public voID onInit(int status) {        if (status == TextToSpeech.SUCCESS) {            initialized = true;            tts.setLanguage(Locale.ENGliSH);            if (queuedText != null) {                speak(queuedText);            }        }    }    public voID speak(String text) {        // If not yet initialized, queue up the text.        if (!initialized) {            queuedText = text;            return;        }        queuedText = null;        // Before speaking the current text, stop any ongoing speech.        //tts.stop();        // Speak the text.        setTtsListener(); // no longer creates a new UtteranceProgressListener each time        HashMap<String, String> map = new HashMap<String, String>();        map.put(TextToSpeech.Engine.KEY_ParaM_UTteraNCE_ID, "MessageID");        tts.speak(text, TextToSpeech.QUEUE_ADD, map);    }    private voID setTtsListener() {        // Method radically simplifIEd; callWithResult is retained but not used here        final SpeechRecognizer callWithResult = sr; // was `this`    }    private UtteranceProgressListener mProgressListener = new UtteranceProgressListener() {        @OverrIDe        public voID onStart(String utteranceID) {        } // Do nothing        @OverrIDe        public voID one rror(String utteranceID) {        } // Do nothing.        @OverrIDe        public voID onDone(String utteranceID) {            callSpeechRecognition();        }    };    private voID callSpeechRecognition() {        Log.d(TAG, "callSpeechRecognition() called");    } }

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