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TextToSpeechActivity.java

package jp.android;

import java.util.Locale;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class TextToSpeechActivity extends Activity  implements TextToSpeech.OnInitListener {

    private static final int CHECK_TTS = 682730935;
    private Button mSpeakButton;
    private TextToSpeech mTts;
    private EditText et;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        this.checkTTS();

        mTts = new TextToSpeech(this, this);

        this.mSpeakButton =
            (Button) findViewById(R.id.speak_button);
        et = (EditText)findViewById(R.id.inputText);
        mSpeakButton.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                startTTS(et.getText().toString());
            }
        });

    }

    /**
     * TTS¥¨¥ó¥¸¥ó¤¬¥¤¥ó¥¹¥È¡¼¥ëºÑ¤«¤É¤¦¤«¤òȽÄê
     */
    private void checkTTS() {
        Intent intent = new Intent();
        intent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
        startActivityForResult(intent, CHECK_TTS);        
    }

    // ¥Á¥§¥Ã¥¯¤Î·ë²Ì¤ò¼õ¤±¼è¤ë
    protected void onActivityResult(int requestCode, int resultCode,
            Intent data) {
        if (requestCode == CHECK_TTS) {
            if (resultCode == TextToSpeech.Engine.CHECK_VOICE_DATA_PASS) {
                //¥¤¥ó¥¹¥È¡¼¥ëºÑ¤Ê¤é¥¦¥§¥ë¥«¥à¥á¥Ã¥»¡¼¥¸¤òȯÏÃ
                startTTS("Welcome to TTS application, Let`s start!");
            }
            else {
                //¥¤¥ó¥¹¥È¡¼¥ë̵¤·¤Ê¤é
                Intent install = new Intent();
                install.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
                startActivity(install);
            }
        }
    }

    /**
     * ¹çÀ®¤ò¼Â¹Ô
     * @param text Æɤ߾夲¤¿¤¤¥Æ¥­¥¹¥È
     */
    private void startTTS(String text) {
        mTts.speak(text, TextToSpeech.QUEUE_FLUSH, null);
    }

    /**
     * ¥Ø¥ë¥×¥¬¥¤¥É¤òÆɤ߾夲¤ë
     * @param v
     */
    public void startGuide(View v) {
        mTts.setLanguage(Locale.US);
        startTTS(getString(R.string.guide));
    }

    /**
     * ¸À¸ìÁªÂò¥Ü¥¿¥ó
     * @param v
     */
    public void onSelectLang(View v) {
        AlertDialog.Builder ab = new AlertDialog.Builder(this);
        String[] str = {"English","French","German","Italian","United Kingdom"};
        ab.setItems(str, new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int i) {
                switch (i){
                    case 0:
                        mTts.setLanguage(Locale.US);
                        break;
                    case 1:
                        mTts.setLanguage(Locale.FRENCH);
                        break;
                    case 2:
                        mTts.setLanguage(Locale.GERMAN);
                        break;
                    case 3:
                        mTts.setLanguage(Locale.ITALIAN);
                        break;
                    case 4:
                        mTts.setLanguage(Locale.UK);
                            break;
                }
                
            }
        });
        ab.show();
    }

    public void onInit(int status) {        
        if (status == TextToSpeech.SUCCESS) {
            if (mTts.isLanguageAvailable(Locale.US) >= 
                    TextToSpeech.LANG_AVAILABLE) {
                //¥¢¥á¥ê¥«±Ñ¸ì¤ËÀßÄê
                mTts.setLanguage(Locale.US);
            }
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();

        mTts.shutdown();
    }
}


20111228-171254

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