Handler different languages : Text To Speech « Core Class « Android

1. Android
2. Core Class
3. Text To Speech

Handler different languages

   
package app.test;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.StringTokenizer;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;
import android.speech.tts.TextToSpeech.OnUtteranceCompletedListener;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class Test extends Activity implements OnInitListener, OnUtteranceCompletedListener {
  private EditText words = null;
  private Button speakBtn = null;
    private static final int REQ_TTS_STATUS_CHECK = 0;
  private static final String TAG = "TTS Demo";
    private TextToSpeech mTts;

    private int uttCount = 0;
    private int lastUtterance = -1;
  private HashMap<String, String> params = new HashMap<String, String>();
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        words = (EditText)findViewById(R.id.wordsToSpeak);
        speakBtn = (Button)findViewById(R.id.speak);
        Intent checkIntent = new Intent();
        checkIntent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
        startActivityForResult(checkIntent, REQ_TTS_STATUS_CHECK);
    }
  public void doSpeak(View view) {
    StringTokenizer st = new StringTokenizer(words.getText().toString(),",.");
    while (st.hasMoreTokens()) {
        params.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID,
                    String.valueOf(uttCount++));
      mTts.speak(st.nextToken(), TextToSpeech.QUEUE_ADD, params);
       }
  }

  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == REQ_TTS_STATUS_CHECK) {
            switch (resultCode) {
            case TextToSpeech.Engine.CHECK_VOICE_DATA_PASS:
                mTts = new TextToSpeech(this, this);
                Log.v(TAG, "Pico is installed okay");
                break;
            case TextToSpeech.Engine.CHECK_VOICE_DATA_BAD_DATA:
            case TextToSpeech.Engine.CHECK_VOICE_DATA_MISSING_DATA:
            case TextToSpeech.Engine.CHECK_VOICE_DATA_MISSING_VOLUME:
                Intent installIntent = new Intent();
                installIntent.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
                startActivity(installIntent);
                break;
            case TextToSpeech.Engine.CHECK_VOICE_DATA_FAIL:
            default:
                Log.e(TAG, "Got a failure.");
            }
            ArrayList<String> available = data.getStringArrayListExtra("availableVoices");
            Log.v("languages count", String.valueOf(available.size()));
            Iterator<String> iter = available.iterator();
            while(iter.hasNext()) {
              String lang = iter.next();
              Locale locale = new Locale(lang);
                Log.v(TAG, "language: " + lang);
                Log.v(TAG, "language locale: " + locale.toString());
            }
            Locale[] locales = Locale.getAvailableLocales();
            Log.v(TAG, "available locales:");
            for(int i=0;i<locales.length;i++)
              Log.v(TAG, "locale: " + locales[i].getDisplayName());
            
            Locale defloc = Locale.getDefault();
            Log.v(TAG, "current locale: " + defloc.getDisplayName());
        }
    }

  public void onInit(int status) {
    if( status == TextToSpeech.SUCCESS) {
      speakBtn.setEnabled(true);
      Locale loc = mTts.getLanguage();
            Log.v(TAG, "default engine: " + mTts.getDefaultEngine());
            Log.v(TAG, "current language/locale: " + loc.getDisplayName());
            Log.v(TAG, "current ISO3 language: " + loc.getISO3Language());
            Log.v(TAG, "current ISO3 country: " + loc.getISO3Country());
            Log.v(TAG, "current language: " + loc.getLanguage());
            Log.v(TAG, "current country: " + loc.getCountry());
      mTts.setOnUtteranceCompletedListener(this);
    }
  }
  @Override
  public void onPause()
  {
    super.onPause();
    if( mTts != null)
      mTts.stop();
  }
  @Override
    public void onDestroy()
  {
        super.onDestroy();
        mTts.shutdown();
    }
  public void onUtteranceCompleted(String uttId) {
    Log.v(TAG, "Got completed message for uttId: " + uttId);
    lastUtterance = Integer.parseInt(uttId);
  }
}

//main.xml


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical" android:layout_width="fill_parent"
  android:layout_height="fill_parent">

  <EditText android:id="@+id/wordsToSpeak"
    android:hint="Type words to speak here"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"/>

  <Button android:id="@+id/speak"
    android:text="Speak"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:onClick="doSpeak"
  android:enabled="false" />

</LinearLayout>

   
    
    
  

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