package com.kuanzhai.driver.base.gaode.gpsnav.util;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.speech.tts.TextToSpeech;
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import android.speech.tts.TextToSpeech.OnUtteranceCompletedListener;
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import android.speech.tts.UtteranceProgressListener;
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import java.util.Locale;
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/**
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* 系统播报类,部分手机不支持中文播报
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*/
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@SuppressLint("NewApi")
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public class SystemTTS extends UtteranceProgressListener implements TTS, OnUtteranceCompletedListener {
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private Context mContext;
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private static SystemTTS singleton;
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private TextToSpeech textToSpeech; // 系统语音播报类
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private boolean isSuccess = true;
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public static SystemTTS getInstance(Context context) {
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if (singleton == null) {
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synchronized (SystemTTS.class) {
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if (singleton == null) {
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singleton = new SystemTTS(context);
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}
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}
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}
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return singleton;
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}
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private SystemTTS(Context context) {
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this.mContext = context.getApplicationContext();
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textToSpeech = new TextToSpeech(mContext, new TextToSpeech.OnInitListener() {
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@Override
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public void onInit(int i) {
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//系统语音初始化成功
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if (i == TextToSpeech.SUCCESS) {
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int result = textToSpeech.setLanguage(Locale.CHINA);
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textToSpeech.setPitch(1.0f);// 设置音调，值越大声音越尖（女生），值越小则变成男声,1.0是常规
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textToSpeech.setSpeechRate(1.0f);
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textToSpeech.setOnUtteranceProgressListener(SystemTTS.this);
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textToSpeech.setOnUtteranceCompletedListener(SystemTTS.this);
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if (result == TextToSpeech.LANG_MISSING_DATA
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|| result == TextToSpeech.LANG_NOT_SUPPORTED) {
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//系统不支持中文播报
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isSuccess = false;
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}
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}
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}
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});
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}
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public void destroy() {
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stopSpeak();
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if (textToSpeech != null) {
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textToSpeech.shutdown();
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}
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singleton = null;
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}
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public void init() {
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}
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public void playText(String playText) {
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if (!isSuccess) {
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return;
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}
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if (textToSpeech != null) {
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textToSpeech.speak(playText,
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TextToSpeech.QUEUE_ADD, null, null);
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}
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}
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public void stopSpeak() {
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if (textToSpeech != null) {
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textToSpeech.stop();
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}
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}
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@Override
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public boolean isPlaying() {
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return textToSpeech.isSpeaking();
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}
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ICallBack callBack = null;
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@Override
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public void setCallback(ICallBack callback) {
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callBack = callback;
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}
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//播报完成回调
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@Override
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public void onUtteranceCompleted(String utteranceId) {
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}
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@Override
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public void onStart(String utteranceId) {
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}
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@Override
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public void onDone(String utteranceId) {
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}
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@Override
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public void onError(String utteranceId) {
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}
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}
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