主要方法

setLanguage：設定語言的型別

speak：傳入文字播放聲音

synthesizeToFile：傳入文字儲存為音訊

shutdown：釋放TextToSpeech資源

package prictise.lxm.prictise;

import android.app.Activity;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import java.util.Locale;

/**
 * 使用TextToSpeech實現自動朗讀
 */
public class MainActivity extends Activity{

    TextToSpeech textToSpeech;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        //獲取介面檢視
        final EditText edTxtSpeak = (EditText)findViewById(R.id.edTxt_speak);
        final Button btnSpeak = (Button)findViewById(R.id.btn_speak);
        final Button btnSave = (Button)findViewById(R.id.btn_save);

        textToSpeech = new TextToSpeech(this,new TextToSpeech.OnInitListener() {
            @Override
            public void onInit(int status) {
                //初始化成功，設定語言
                if(status == TextToSpeech.SUCCESS){
                    //設定語言為美式英語
                    int result = textToSpeech.setLanguage(Locale.US);
                    //設定語言為中文
                   // int result = textToSpeech.setLanguage(Locale.CHINA);
                    if(result != TextToSpeech.LANG_AVAILABLE &&
                            result != TextToSpeech.LANG_COUNTRY_AVAILABLE){ //不支援當前語言
                        Toast.makeText(MainActivity.this,"不支援" + textToSpeech.getLanguage().
                                getDisplayName(),Toast.LENGTH_SHORT).show();
                        //設定發音按鈕不可用
                        btnSave.setEnabled(false);
                        btnSpeak.setEnabled(false);
                    }
                }
            }
        });

        //播放按鈕
        btnSpeak.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                textToSpeech.speak(edTxtSpeak.getText().toString(),TextToSpeech.QUEUE_ADD,null);
            }
        });

        btnSave.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                textToSpeech.synthesizeToFile(edTxtSpeak.getText().toString(),null,"speakUs");
            }
        });
    }

    protected void onDestroy() {
        //釋放tts
        if(textToSpeech != null) {
            textToSpeech.shutdown();
        }
        super.onDestroy();
    }


}