高斋晓开卷，独共圣人语。这篇文章主要讲述Android 简单的语音播报相关的知识，希望能为你提供帮助。
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Main.class
【Android 简单的语音播报】 

package com.example.myapp;

import android.app.AlertDialog;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;
import android.speech.tts.TextToSpeechService;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Toast;

import java.util.Date;
import java.util.HashMap;
import java.util.Locale;

/**
* 语音播报
* 局限不支持中文
*/
public class Main extends AppCompatActivity {

private static final String TAG = "Main";
private TextToSpeech mSpeech = null;
private EditText edit = null;
private String choosedLanguage;
private RadioButton english, chainese, german, french, taiWan;
private RadioGroup languageGroup;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
initUI();
initLanguageList();
mSpeech = new TextToSpeech(Main.this, new TTSListener());

//langs = getResources().getStringArray(R.array.languages); // 得到语言数组
//langSpinner = (Spinner) findViewById(R.id.spinner);
//edit = (EditText) findViewById(R.id.edit);
//btn = (Button) findViewById(R.id.btn);
//btn.setOnClickListener(new BtnListener());
//
//for (int i = 0; i < langs.length; i++) {
//langList.add(langs[i]);
//}
//// 设置下拉框的适配器和样式
//langAdapter = new ArrayAdapter< String> (Main.this,
//android.R.layout.simple_spinner_item, langList);
//langAdapter
//.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
//langSpinner.setAdapter(langAdapter);
//
//// 下拉框监听器
//langSpinner
//.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
//@Override
//public void onItemSelected(AdapterView< ?> adapter,
//View view, int position, long id) {
//// TODO Auto-generated method stub
//curLang = (String) langSpinner.getAdapter().getItem(
//(int) id);
//if(mSpeech != null)
//{
//mSpeech.stop();
//mSpeech.shutdown();
//mSpeech = null;
//}
//// 创建TTS对象
//mSpeech = new TextToSpeech(Main.this, new TTSListener());
//Toast.makeText(Main.this, "select = " + curLang, Toast.LENGTH_SHORT).show();
//}
//
//@Override
//public void onNothingSelected(AdapterView< ?> arg0) {
//// TODO Auto-generated method stub
//
//}
//});
//}

//private int SetLanguage(String lang) {
//int result = 0;
//if (lang.equals("CANADA")) {
//result = mSpeech.setLanguage(Locale.CANADA);
//} else if (lang.equals("CANADA_FRENCH")) {
//result = mSpeech.setLanguage(Locale.CANADA_FRENCH);
//} else if (lang.equals("CHINA")) {
//result = mSpeech.setLanguage(Locale.CHINA);
//} else if (lang.equals("CHINESE")) {
//result = mSpeech.setLanguage(Locale.CHINESE);
//} else if (lang.equals("ENGLISH")) {
//result = mSpeech.setLanguage(Locale.ENGLISH);
//} else if (lang.equals("FRANCE")) {
//result = mSpeech.setLanguage(Locale.FRANCE);
//} else if (lang.equals("FRENCH")) {
//result = mSpeech.setLanguage(Locale.FRENCH);
//} else if (lang.equals("GERMAN")) {
//result = mSpeech.setLanguage(Locale.GERMAN);
//} else if (lang.equals("GERMANY")) {
//result = mSpeech.setLanguage(Locale.GERMANY);
//} else if (lang.equals("ITALIAN")) {
//result = mSpeech.setLanguage(Locale.ITALIAN);
//} else if (lang.equals("ITALY")) {
//result = mSpeech.setLanguage(Locale.ITALY);
//} else if (lang.equals("JAPAN")) {
//result = mSpeech.setLanguage(Locale.JAPAN);
//} else if (lang.equals("JAPANESE")) {
//result = mSpeech.setLanguage(Locale.JAPANESE);
//} else if (lang.equals("KOREA")) {
//result = mSpeech.setLanguage(Locale.KOREA);
//} else if (lang.equals("KOREAN")) {
//result = mSpeech.setLanguage(Locale.KOREAN);
//} else if (lang.equals("PRC")) {
//result = mSpeech.setLanguage(Locale.PRC);
//} else if (lang.equals("ROOT")) {
//result = mSpeech.setLanguage(Locale.ROOT);
//} else if (lang.equals("SIMPLIFIED_CHINESE")) {
//result = mSpeech.setLanguage(Locale.SIMPLIFIED_CHINESE);
//} else if (lang.equals("TAIWAN")) {
//result = mSpeech.setLanguage(Locale.TAIWAN);
//} else if (lang.equals("TRADITIONAL_CHINESE")) {
//result = mSpeech.setLanguage(Locale.TRADITIONAL_CHINESE);
//} else if (lang.equals("UK")) {
//result = mSpeech.setLanguage(Locale.UK);
//} else if (lang.equals("US")) {
//result = mSpeech.setLanguage(Locale.US);
//}
//return result;
//}
//
//private class TTSListener implements OnInitListener {
//
//@Override
//public void onInit(int status) {
//// TODO Auto-generated method stub
//if (status == TextToSpeech.SUCCESS) {
////int result = mSpeech.setLanguage(Locale.ENGLISH);
//int result = SetLanguage(curLang);
////如果打印为-2，说明不支持这种语言
//Toast.makeText(Main.this, "-------------result = " + result, Toast.LENGTH_LONG).show();
//if (result == TextToSpeech.LANG_MISSING_DATA
//|| result == TextToSpeech.LANG_NOT_SUPPORTED) {
//System.out.println("-------------not use");
//} else {
//mSpeech.speak("i love you", TextToSpeech.QUEUE_FLUSH, null);
//}
//}
//}
//
//}
//
//private class BtnListener implements OnClickListener {
//
//@Override
//public void onClick(View v) {
//// TODO Auto-generated method stub
//mSpeech.speak(edit.getText().toString(), TextToSpeech.QUEUE_FLUSH,
//null);
//}
//
//}
//
//@Override
//protected void onDestroy() {
//// TODO Auto-generated method stub
//if (mSpeech != null) {
//mSpeech.stop();
//mSpeech.shutdown();
//mSpeech = null;
//}
//super.onDestroy();
//}
//
//}
}

private void initUI() {
edit = findViewById(R.id.test_text);
languageGroup = findViewById(R.id.language_Group);
english = findViewById(R.id.language_English);
chainese = findViewById(R.id.language_Chainese);
german = findViewById(R.id.language_German);
french = findViewById(R.id.language_French);
taiWan = findViewById(R.id.language_TaiWan);
//View.OnClickListener handle =new View.OnClickListener(){
//public void onClick(View v){
//switch(v.getId()){
//case R.id.language_English:
//choosedLanguage="英文";
//break;
//case R.id.language_Chainese:
//choosedLanguage="中文";
//break;
//case R.id.language_German:
//choosedLanguage="德语";
//break;
//case R.id.language_French:
//choosedLanguage="法语";
//break;
//}
//
//}
//};
//english.setOnClickListener(handle);
//chainese.setOnClickListener(handle);
//german.setOnClickListener(handle);
//french.setOnClickListener(handle);
}

private void initLanguageList() {

SharedData.languageList.put("英语", Locale.ENGLISH);
SharedData.languageList.put("中文", Locale.CHINESE);
SharedData.languageList.put("德语", Locale.GERMAN);
SharedData.languageList.put("法语", Locale.FRENCH);
SharedData.languageList.put("台湾话", Locale.TAIWAN);
}

public void openAudioFile(View view) {
choosedLanguage = getLanguage(languageGroup);
int supported = mSpeech.setLanguage(SharedData.languageList.get(choosedLanguage));
mSpeech.setSpeechRate(SharedData.voice_speed);
mSpeech.setPitch(SharedData.voice_pitch);

Log.i(TAG, "选择语言: " + choosedLanguage + "--" + SharedData.languageList.get(choosedLanguage));
//mSpeech.setAudioAttributes(new AudioAttributes());
// mSpeech.setVoice(new Voice(null,Locale.US,Voice.QUALITY_HIGH,Voice.LATENCY_NORMAL,false,null));
if ((supported != TextToSpeech.LANG_AVAILABLE) & & (supported != TextToSpeech.LANG_COUNTRY_AVAILABLE)) {
//语言设置失败
Log.i(TAG, "语言设置失败: " + choosedLanguage);
} else {
Log.i(TAG, "语言设置成功: " + choosedLanguage);
}

String tempStr = edit.getText().toString();
mSpeech.speak(tempStr, TextToSpeech.QUEUE_FLUSH, null);
Log.i(TAG, "测试文本: " + tempStr);
Log.i(TAG, "当前语速: " + SharedData.voice_speed + "， 最快语速1.5");
Log.i(TAG, "当前音调：" + SharedData.voice_pitch + "， 最高音调2.0");
//Log.i(TAG, "test: 执行了");
}

//保存音频文件
public void saveAudioFile(View view) {
HashMap< String, String> myHashRender = new HashMap< > ();
myHashRender.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, edit.getText().toString());
mSpeech.synthesizeToFile(edit.getText().toString(), myHashRender,
"/mnt/sdcard/" + new Date().toString().replace(" ", "_").trim() + ".wav");
Log.i(TAG, "saveAudioFile: " + "/mnt/sdcard/" + new Date().toString().replace(" ", "_").trim() + ".wav" + "文件保存成功");
Toast.makeText(this, "文件保存成功", Toast.LENGTH_SHORT).show();
}

private String getLanguage(RadioGroup languageGroup) {
int choosedButtonID = languageGroup.getCheckedRadioButtonId();
String tempStr = "";
if (choosedButtonID == english.getId()) {
tempStr = "英语";
} else if (choosedButtonID == chainese.getId()) {
tempStr = "中文";
} else if (choosedButtonID == german.getId()) {
tempStr = "德语";
} else if (choosedButtonID == french.getId()) {
tempStr = "法语";
} else if (choosedButtonID == taiWan.getId()) {
tempStr = "台湾话";
} else {

}
return tempStr;
}

//增加音量
public void increVoice(View view) {
if (SharedData.voice_speed > = 1.5f) {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setMessage("速度已经最快，无法调整");
dialog.show();
} else {
SharedData.voice_speed += 0.1f;
}
}

//减小音量
public void decreVoice(View view) {
if (SharedData.voice_speed < = 0.1f) {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setMessage("速度已经最慢，无法调整");
dialog.show();
} else {
SharedData.voice_speed -= 0.1f;
}
}

//升高音调
public void increPitch(View view) {
if (SharedData.voice_pitch > = 2.0f) {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setMessage("音调已经最高，无法调整");
dialog.show();
} else {
SharedData.voice_pitch += 0.1f;
}
}

//减低音调
public void decrePitch(View view) {
if (SharedData.voice_pitch < = 0.1f) {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setMessage("音调已经最低，无法调整");
dialog.show();
} else {
SharedData.voice_pitch -= 0.1f;
}
}

private class TTSListener implements OnInitListener {
@Override
public void onInit(int status) {
// TODO Auto-generated method stub
if (status == TextToSpeech.SUCCESS) {
//int supported = mSpeech.setLanguage(Locale.US);
//if ((supported != TextToSpeech.LANG_AVAILABLE) & & (supported != TextToSpeech.LANG_COUNTRY_AVAILABLE)) {
//Toast.makeText(Main.this, "不支持当前语言！", Toast.LENGTH_SHORT).show();
//Log.i(TAG, "onInit: 支持当前选择语言");
//}else{
//
//}
Log.i(TAG, "onInit: TTS引擎初始化成功");
} else {
Log.i(TAG, "onInit: TTS引擎初始化失败");
}
}
}

@Override
protected void onDestroy() {
// TODO Auto-generated method stub
if (mSpeech != null) {
mSpeech.stop();
mSpeech.shutdown();
mSpeech = null;
}
super.onDestroy();
}

//private int SetLanguage(String lang) {
//int result = 0;
//if (lang.equals("CANADA")) {
//result = mSpeech.setLanguage(Locale.CANADA);
//} else if (lang.equals("CANADA_FRENCH")) {
//result = mSpeech.setLanguage(Locale.CANADA_FRENCH);
//} else if (lang.equals("CHINA")) {
//result = mSpeech.setLanguage(Locale.CHINA);
//} else if (lang.equals("CHINESE")) {
//result = mSpeech.setLanguage(Locale.CHINESE);
//} else if (lang.equals("ENGLISH")) {
//result = mSpeech.setLanguage(Locale.ENGLISH);
//} else if (lang.equals("FRANCE")) {
//result = mSpeech.setLanguage(Locale.FRANCE);
//} else if (lang.equals("FRENCH")) {
//result = mSpeech.setLanguage(Locale.FRENCH);
//} else if (lang.equals("GERMAN")) {
//result = mSpeech.setLanguage(Locale.GERMAN);
//} else if (lang.equals("GERMANY")) {
//result = mSpeech.setLanguage(Locale.GERMANY);
//} else if (lang.equals("ITALIAN")) {
//result = mSpeech.setLanguage(Locale.ITALIAN);
//} else if (lang.equals("ITALY")) {
//result = mSpeech.setLanguage(Locale.ITALY);
//} else if (lang.equals("JAPAN")) {
//result = mSpeech.setLanguage(Locale.JAPAN);
//} else if (lang.equals("JAPANESE")) {
//result = mSpeech.setLanguage(Locale.JAPANESE);
//} else if (lang.equals("KOREA")) {
//result = mSpeech.setLanguage(Locale.KOREA);
//} else if (lang.equals("KOREAN")) {
//result = mSpeech.setLanguage(Locale.KOREAN);
//} else if (lang.equals("PRC")) {
//result = mSpeech.setLanguage(Locale.PRC);
//} else if (lang.equals("ROOT")) {
//result = mSpeech.setLanguage(Locale.ROOT);
//} else if (lang.equals("SIMPLIFIED_CHINESE")) {
//result = mSpeech.setLanguage(Locale.SIMPLIFIED_CHINESE);
//} else if (lang.equals("TAIWAN")) {
//result = mSpeech.setLanguage(Locale.TAIWAN);
//} else if (lang.equals("TRADITIONAL_CHINESE")) {
//result = mSpeech.setLanguage(Locale.TRADITIONAL_CHINESE);
//} else if (lang.equals("UK")) {
//result = mSpeech.setLanguage(Locale.UK);
//} else if (lang.equals("US")) {
//result = mSpeech.setLanguage(Locale.US);
//}
//return result;
//}

}


XML 文件

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

< EditText
android:id="@+id/test_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:textSize="20dp" />

< Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:onClick="openAudioFile"
android:text="播放合成语音"
android:textSize="20dp" />

< Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="4dp"
android:onClick="saveAudioFile"
android:text="保存合成音频"
android:textSize="20dp" />

< LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="160dp"
android:orientation="horizontal">

< RadioGroup
android:id="@+id/language_Group"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:gravity="bottom"
android:orientation="vertical"
android:paddingTop="2.0dip">

< RadioButton
android:id="@+id/language_English"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:checked="true"
android:text="英文" />

< RadioButton
android:id="@+id/language_Chainese"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="中文" />

< RadioButton
android:id="@+id/language_German"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="德语" />

< RadioButton
android:id="@+id/language_French"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="法语" />

< RadioButton
android:id="@+id/language_TaiWan"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="台湾话" />
< /RadioGroup>

< LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">

< LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="80dp"
android:orientation="horizontal">

< Button
android:id="@+id/voice_incre"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:onClick="increVoice"
android:text="加快语速"
android:textSize="20dp" />

< Button
android:id="@+id/voice_decre"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:onClick="decreVoice"
android:text="减慢语速"
android:textSize="20dp" />

< /LinearLayout>

< LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="80dp"
android:orientation="horizontal">

< Button
android:id="@+id/pitch_incre"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:onClick="increPitch"
android:text="升高音调"
android:textSize="20dp" />

< Button
android:id="@+id/pitch_decre"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:onClick="decrePitch"
android:text="降低音调"
android:textSize="20dp" />

< /LinearLayout>
< /LinearLayout>

< /LinearLayout>
< /LinearLayout>

SharedData 工具类

package com.example.myapp;

import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

/**
* author:why
* created on: 2018/6/5 11:28
* description:
*/
public class SharedData {
//语速
public static float voice_speed = 0.5f;
//音调
public static float voice_pitch = 1.0f;
//
public static Map< String, Locale> languageList = new HashMap< String, Locale> ();

}



AndroidManifest.xml配置

< uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"> < /uses-permission>
< uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"> < /uses-permission>

原创：https://blog.csdn.net/hfut_why/article/details/80587630

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