我写了一个小型的Android Demo，用于在不同语言中使用TTS。我有一个包含两个按钮（西班牙语和英语）的布局。按下按钮会触发所选语言的语音输出。
然而，我无法更改语言（setLanguage（Locale locale））。我可以手动完成此操作，使用手机设置并将TTS语言更改为美国英语、英式英语、意大利语、德语等，但我的代码似乎无法工作。您能告诉我问题出在哪里吗？
谢谢！
然而，我无法更改语言（setLanguage（Locale locale））。我可以手动完成此操作，使用手机设置并将TTS语言更改为美国英语、英式英语、意大利语、德语等，但我的代码似乎无法工作。您能告诉我问题出在哪里吗？
谢谢！
package com.ignacio.SpeakAPP;
import android.app.Activity;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;
import android.util.Log;
import android.view.View;
import java.util.Locale;
public class SpeakAPPActivity extends Activity implements OnInitListener {
private static final String TAG = "TextToSpeechDemo";
private TextToSpeech mTts;
public boolean Passer = false;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
/** Handle the action of the English Button **/
public boolean talknowEN(View v)
{
mTts = new TextToSpeech (this, this);
return Passer = false;
}
/** Handle the action of the Spanish Button **/
public boolean talknowES(View v)
{
mTts = new TextToSpeech (this, this);
return Passer = true;
}
/** TTS **/
public void onInit (int status){
if (status ==TextToSpeech.SUCCESS){
if(Passer==false){
//If English Button was activated
//Initialize speech to text, set language to english and send utterance
mTts.setLanguage(Locale.US);
mTts.speak("How may I help you?", TextToSpeech.QUEUE_FLUSH, null);
}else{
//If Spanish Button was activated
//Initialize speech to text, check if spanish is available, set locale to spanish and send utterance
Locale loc = new Locale ("es", "ES");
mTts.setLanguage(loc);
if (result2==TextToSpeech.LANG_MISSING_DATA||result2==TextToSpeech.LANG_NOT_SUPPORTED){
Log.e(TAG, "Language is not available");
}else {
mTts.speak("Como puedo ayudarte?", TextToSpeech.QUEUE_FLUSH, null);
}
}
}else {
Log.e(TAG, "Could not initialize TextToSpeech");
}
}
@Override
protected void onDestroy(){
super.onDestroy();
mTts.shutdown();
}
}