Android Open Source - AndroidLibraryProject Text2 Speech

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The source code is released under:
Apache License
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Java Source Code

/**
 * Copyright (c) 2013 by CDAC Chennai //from  w  ww. j  a  v  a  2 s.  com

 *  
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * @File        Text2Speech
 * @Created:    04.08.2014
 * @author:     Divya
 * Last Change: 15.10.2014 by Prasenjit
 */

package com.contextawareframework.backgroundservices;
import android.util.Log;
import java.util.Locale;
import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;

/**
 * This class can be used for enabling TTS support in the application.  
 */

public class Text2Speech extends Service implements OnInitListener{
  
  private Locale language;
  private String message = null;
  private TextToSpeech ttsObj=null;
  
  public Text2Speech(String message, Locale language)
  {
    this.message = message;
    this.language = language;
  }
  @Override
  public void onInit(int status){
    // Check if Text to speech engine has been successfully instantiated
    if(status ==TextToSpeech.SUCCESS){
    Log.d("Text2Speech","initialisation Succesful");
    }
    else{
    Log.d("TTS","Initialisation failed");
    }
  
  }
  
  @Override
  public void onCreate(){
    super.onCreate();
    ttsObj=new TextToSpeech(this,this);
    Log.d("onCreate","Inside it");
  }
  @Override
  public int onStartCommand(Intent intent,int flags, int startId){
    try{
      //Bundle extras=intent.getExtras();
      
      //Get the language in which to speak
      language=(Locale)getLanguage();//extras.get("Language"); // Change here 28.10.14
      
      //Sets the language
      int result=ttsObj.setLanguage(language);
      
          //Checks if language data is missing or  language is not supported
        if(result==TextToSpeech.LANG_MISSING_DATA || result==TextToSpeech.LANG_NOT_SUPPORTED){
          Log.d("TTS","Language not supported");
        }
        else{
        Log.d("TTS","Language supported");
        }
        
        //if(ttsObj!=null && extras!=null){ change here 28.10.14
        if(ttsObj!=null){
          //String from=(String)extras.get("From");// Change here
          if(message!=null)
          {  
            ttsObj.speak(message, TextToSpeech.QUEUE_ADD, null); // Changed from to message
            Log.d("onStart","Inside it");
          }
          else 
          {
            Log.d("onStart", "Message is null");
          }
        }
      
      
      }
      catch(Exception e)
      {
        e.printStackTrace();
      }
      return START_STICKY;
  
    
  }
  //Stop and Shutdown Text to speech engine
  @Override
  public void onDestroy(){
    super.onDestroy();
    if(ttsObj!=null){
      ttsObj.stop();
      ttsObj.shutdown();
    }
  }
  @Override
  public IBinder onBind(Intent intent){
    return null;
  }
  // May get removed as present these has to be initialized in the constructor. 
  /**
   * @return the language
   */
  public final Locale getLanguage() {
    return language;
  }

  /**
   * @param language the language to set
   */
  public final void setLanguage(Locale language) {
    this.language = language;
  }

  /**
   * @return the message
   */
  public final String getMessage() {
    return message;
  }

  /**
   * @param message the message to set
   */
  public final void setMessage(String message) {
    this.message = message;
  } 
  
}
Java Source Code List
