Android TTS 實(shí)戰(zhàn)二：全世界都知道我愛(ài)你
[導(dǎo)讀]1.簡(jiǎn)介實(shí)戰(zhàn)而建立在實(shí)戰(zhàn)一的基礎(chǔ)上，只加了一個(gè) Spinner ，給上一個(gè) Demo 增加語(yǔ)言選擇功能，可以使用 TTS 引擎支持的English、French、German、Italian和Span
1.簡(jiǎn)介
實(shí)戰(zhàn)而建立在實(shí)戰(zhàn)一的基礎(chǔ)上，只加了一個(gè) Spinner ，給上一個(gè) Demo 增加語(yǔ)言選擇功能，可以使用 TTS 引擎支持的English、French、German、Italian和Spanish這5大語(yǔ)言來(lái)進(jìn)行相應(yīng)的語(yǔ)音合成，并用這5種外語(yǔ)向她說(shuō)出“我愛(ài)你”。讓全世界都知道我愛(ài)你～-～wlh
2.實(shí)例
xml布局代碼
Java代碼
package?com.example.androidttsdemo2;
import?java.util.Locale;
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.util.Log;
import?android.view.View;
import?android.view.View.OnClickListener;
import?android.widget.AdapterView;
import?android.widget.ArrayAdapter;
import?android.widget.Button;
import?android.widget.EditText;
import?android.widget.Spinner;
import?android.widget.AdapterView.OnItemSelectedListener;
public?class?MainActivity?extends?Activity?implements?OnInitListener?{
????/**
?????*?Called?when?the?activity?is?first?created.
?????*/
????private?EditText?inputText?=?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?Spinner?langSelect?=?null;
????private?String?languages[]?=?{"English",?"French",?"German",?"Italian",?"Spanish"};
????@Override
????public?void?onCreate(Bundle?savedInstanceState)?{
????????super.onCreate(savedInstanceState);
????????setContentView(R.layout.activity_main);
????????//檢查T(mén)TS數(shù)據(jù)是否已經(jīng)安裝并且可用
????????Intent?checkIntent?=?new?Intent();
????????checkIntent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
????????startActivityForResult(checkIntent,?REQ_TTS_STATUS_CHECK);
????????inputText?=?(EditText)?findViewById(R.id.inputText);
????????speakBtn?=?(Button)?findViewById(R.id.speakBtn);
????????inputText.setText("This?is?an?example?of?speech?synthesis.");
????????speakBtn.setOnClickListener(new?OnClickListener()?{
????????????public?void?onClick(View?v)?{
????????????????//?TODO?Auto-generated?method?stub
????????????????mTts.speak(inputText.getText().toString(),?TextToSpeech.QUEUE_ADD,?null);
????????????????//朗讀輸入框里的內(nèi)容
????????????}
????????});
????????langSelect?=?(Spinner)?findViewById(R.id.langSelect);
????????inputText.setText("I?love?you");
????????ArrayAdapteradapter?=?new?ArrayAdapter(this,?android.R.layout.simple_spinner_item,?languages);
????????adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
????????langSelect.setAdapter(adapter);
????????langSelect.setSelection(0);
????????langSelect.setOnItemSelectedListener(new?OnItemSelectedListener()?{
????????????public?void?onItemSelected(AdapterView?parent,?View?view,
???????????????????????????????????????int?position,?long?id)?{
????????????????//?TODO?Auto-generated?method?stub
????????????????int?pos?=?langSelect.getSelectedItemPosition();
????????????????int?result?=?-1;
????????????????switch?(pos)?{
????????????????????case?0:?{
????????????????????????inputText.setText("I?love?you");
????????????????????????result?=?mTts.setLanguage(Locale.US);
????????????????????}
????????????????????break;
????????????????????case?1:?{
????????????????????????inputText.setText("Je?t'aime");
????????????????????????result?=?mTts.setLanguage(Locale.FRENCH);
????????????????????}
????????????????????break;
????????????????????case?2:?{
????????????????????????inputText.setText("Ich?liebe?dich");
????????????????????????result?=?mTts.setLanguage(Locale.GERMAN);
????????????????????}
????????????????????break;
????????????????????case?3:?{
????????????????????????inputText.setText("Ti?amo");
????????????????????????result?=?mTts.setLanguage(Locale.ITALIAN);
????????????????????}
????????????????????break;
????????????????????case?4:?{
????????????????????????inputText.setText("Te?quiero");
????????????????????????result?=?mTts.setLanguage(new?Locale("spa",?"ESP"));
????????????????????}
????????????????????break;
????????????????????default:
????????????????????????break;
????????????????}
????????????????//設(shè)置發(fā)音語(yǔ)言
????????????????if?(result?==?TextToSpeech.LANG_MISSING_DATA?||?result?==?TextToSpeech.LANG_NOT_SUPPORTED)
????????????????//判斷語(yǔ)言是否可用
????????????????{
????????????????????Log.v(TAG,?"Language?is?not?available");
????????????????????speakBtn.setEnabled(false);
????????????????}?else?{
????????????????????speakBtn.setEnabled(true);
????????????????}
????????????}
????????????public?void?onNothingSelected(AdapterView?arg)?{
????????????????//?TODO?Auto-generated?method?stub
????????????}
????????});
????}
????//實(shí)現(xiàn)TTS初始化接口
????@Override
????public?void?onInit(int?status)?{
????????//?TODO?Auto-generated?method?stub
????????//TTS?Engine初始化完成
????????if?(status?==?TextToSpeech.SUCCESS)?{
????????????int?result?=?mTts.setLanguage(Locale.US);
????????????//設(shè)置發(fā)音語(yǔ)言
????????????if?(result?==?TextToSpeech.LANG_MISSING_DATA?||?result?==?TextToSpeech.LANG_NOT_SUPPORTED)
????????????//判斷語(yǔ)言是否可用
????????????{
????????????????Log.v(TAG,?"Language?is?not?available");
????????????????speakBtn.setEnabled(false);
????????????}?else?{
????????????????mTts.speak("This?is?an?example?of?speech?synthesis.",?TextToSpeech.QUEUE_ADD,?null);
????????????????speakBtn.setEnabled(true);
????????????}
????????}
????}
????protected?void?onActivityResult(int?requestCode,?int?resultCode,?Intent?data)?{
????????if?(requestCode?==?REQ_TTS_STATUS_CHECK)?{
????????????switch?(resultCode)?{
????????????????case?TextToSpeech.Engine.CHECK_VOICE_DATA_PASS:
????????????????????//這個(gè)返回結(jié)果表明TTS?Engine可以用
????????????????{
????????????????????mTts?=?new?TextToSpeech(this,?this);
????????????????????Log.v(TAG,?"TTS?Engine?is?installed!");
????????????????}
????????????????break;
????????????????case?TextToSpeech.Engine.CHECK_VOICE_DATA_BAD_DATA:
????????????????????//需要的語(yǔ)音數(shù)據(jù)已損壞
????????????????case?TextToSpeech.Engine.CHECK_VOICE_DATA_MISSING_DATA:
????????????????????//缺少需要語(yǔ)言的語(yǔ)音數(shù)據(jù)
????????????????case?TextToSpeech.Engine.CHECK_VOICE_DATA_MISSING_VOLUME:
????????????????????//缺少需要語(yǔ)言的發(fā)音數(shù)據(jù)
????????????????{
????????????????????//這三種情況都表明數(shù)據(jù)有錯(cuò),重新下載安裝需要的數(shù)據(jù)
????????????????????Log.v(TAG,?"Need?language?stuff:"?+?resultCode);
????????????????????Intent?dataIntent?=?new?Intent();
????????????????????dataIntent.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
????????????????????startActivity(dataIntent);
????????????????}
????????????????break;
????????????????case?TextToSpeech.Engine.CHECK_VOICE_DATA_FAIL:
????????????????????//檢查失敗
????????????????default:
????????????????????Log.v(TAG,?"Got?a?failure.?TTS?apparently?not?available");
????????????????????break;
????????????}
????????}?else?{
????????????//其他Intent返回的結(jié)果
????????}
????}
????@Override
????protected?void?onPause()?{
????????//?TODO?Auto-generated?method?stub
????????super.onPause();
????????if?(mTts?!=?null)
????????//activity暫停時(shí)也停止TTS
????????{
????????????mTts.stop();
????????}
????}
????@Override
????protected?void?onDestroy()?{
????????//?TODO?Auto-generated?method?stub
????????super.onDestroy();
????????//釋放TTS的資源
????????mTts.shutdown();
????}
}
在選擇不同的item時(shí)，為inputText設(shè)置不同語(yǔ)言“我愛(ài)你”對(duì)應(yīng)的文本，并且為T(mén)TS實(shí)例設(shè)置語(yǔ)言。
為T(mén)TS引擎設(shè)置語(yǔ)言的API為
public int setLanguage (Locale loc)；
使用Locale這個(gè)表示語(yǔ)言及國(guó)家區(qū)域的類來(lái)設(shè)置語(yǔ)言，目前支持English、French、German、Italian和Spanish這5大語(yǔ)言，返回的結(jié)果為
LANG_AVAILABLE, LANG_COUNTRY_AVAILABLE, LANG_COUNTRY_VAR_AVAILABLE, LANG_MISSING_DATA 和LANG_NOT_SUPPORTED。
其中LANG_MISSING_DATA 和LANG_NOT_SUPPORTED表示無(wú)法使用當(dāng)前進(jìn)行設(shè)置的語(yǔ)言，另外的幾個(gè)表示設(shè)置的語(yǔ)言有效。
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