package com.example.nativetts;
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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.UtteranceProgressListener;
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import android.util.Log;
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import java.util.Locale;
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import org.json.JSONObject;
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import io.dcloud.feature.expand.unimodule.UniModule;
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import io.dcloud.b;
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public class NativeTTSModule extends UniModule {
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private static final String TAG = "NativeTTS";
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private TextToSpeech mTts = null;
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private boolean isInitialized = false;
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private b moduleContext = null;
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public NativeTTSModule(b reactContext) {
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super(reactContext);
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this.moduleContext = reactContext;
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Context context = reactContext.getContext();
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if (context != null) {
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initTTS(context);
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}
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}
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private void initTTS(Context context) {
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mTts = new TextToSpeech(context, new TextToSpeech.OnInitListener() {
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@Override
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public void onInit(int status) {
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if (status == TextToSpeech.SUCCESS) {
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int result = mTts.setLanguage(Locale.CHINA);
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if (result == TextToSpeech.LANG_MISSING_DATA || result == TextToSpeech.LANG_NOT_SUPPORTED) {
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Log.e(TAG, "TTS 语言不支持");
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isInitialized = false;
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} else {
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isInitialized = true;
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mTts.setSpeechRate(1.0f);
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mTts.setPitch(1.0f);
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Log.d(TAG, "TTS 初始化成功");
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}
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} else {
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Log.e(TAG, "TTS 初始化失败");
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isInitialized = false;
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}
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}
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});
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}
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@Override
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public String getModuleName() {
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return "native-tts";
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}
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@Override
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public JSONObject exec(JSONObject params, String callbackId) {
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String method = "";
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try {
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method = params.getString("method");
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Log.d(TAG, "exec method: " + method);
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if ("init".equals(method)) {
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JSONObject result = new JSONObject();
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result.put("status", isInitialized ? 1 : 0);
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result.put("message", isInitialized ? "初始化成功" : "初始化失败");
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return result;
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} else if ("speak".equals(method)) {
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String text = params.getString("text");
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speakText(text, callbackId);
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} else if ("stop".equals(method)) {
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stopSpeak();
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JSONObject result = new JSONObject();
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result.put("status", 0);
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result.put("message", "已停止");
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return result;
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} else if ("setSpeed".equals(method)) {
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double speed = params.optDouble("speed", 1.0);
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if (mTts != null) {
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mTts.setSpeechRate((float) speed);
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}
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JSONObject result = new JSONObject();
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result.put("status", 0);
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return result;
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} else if ("setPitch".equals(method)) {
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double pitch = params.optDouble("pitch", 1.0);
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if (mTts != null) {
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mTts.setPitch((float) pitch);
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}
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JSONObject result = new JSONObject();
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result.put("status", 0);
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return result;
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} else if ("destroy".equals(method)) {
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destroyTTS();
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JSONObject result = new JSONObject();
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result.put("status", 0);
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result.put("message", "已销毁");
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return result;
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} else if ("isReady".equals(method)) {
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JSONObject result = new JSONObject();
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result.put("status", isInitialized ? 1 : 0);
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return result;
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} else if ("isSpeaking".equals(method)) {
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JSONObject result = new JSONObject();
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result.put("status", (mTts != null && mTts.isSpeaking()) ? 1 : 0);
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return result;
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}
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} catch (Exception e) {
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Log.e(TAG, "exec error: " + e.getMessage());
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}
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return null;
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}
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private void speakText(String text, final String callbackId) {
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if (!isInitialized || mTts == null) {
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try {
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JSONObject result = new JSONObject();
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result.put("status", -1);
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result.put("message", "TTS 未初始化");
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sendCallback(callbackId, result);
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} catch (Exception e) {}
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return;
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}
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if (text == null || text.isEmpty()) {
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try {
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JSONObject result = new JSONObject();
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result.put("status", -1);
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result.put("message", "文本不能为空");
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sendCallback(callbackId, result);
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} catch (Exception e) {}
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return;
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}
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if (mTts.isSpeaking()) {
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mTts.stop();
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}
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mTts.setOnUtteranceProgressListener(new UtteranceProgressListener() {
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@Override
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public void onStart(String utteranceId) {
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Log.d(TAG, "TTS 开始: " + text);
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}
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@Override
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public void onDone(String utteranceId) {
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Log.d(TAG, "TTS 完成");
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try {
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JSONObject result = new JSONObject();
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result.put("status", 0);
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result.put("message", "播报完成");
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sendCallback(callbackId, result);
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} catch (Exception e) {}
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}
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@Override
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public void onError(String utteranceId) {
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Log.e(TAG, "TTS 错误");
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try {
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JSONObject result = new JSONObject();
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result.put("status", -1);
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result.put("message", "TTS 播报失败");
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sendCallback(callbackId, result);
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} catch (Exception e) {}
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}
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});
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String utteranceId = "tts_" + System.currentTimeMillis();
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int resultCode = mTts.speak(text, TextToSpeech.QUEUE_FLUSH, null, utteranceId);
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if (resultCode == TextToSpeech.ERROR) {
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try {
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JSONObject result = new JSONObject();
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result.put("status", -1);
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result.put("message", "TTS 启动失败");
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sendCallback(callbackId, result);
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} catch (Exception e) {}
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}
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}
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private void stopSpeak() {
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if (mTts != null && mTts.isSpeaking()) {
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mTts.stop();
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Log.d(TAG, "TTS 停止");
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}
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}
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private void destroyTTS() {
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if (mTts != null) {
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mTts.stop();
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mTts.shutdown();
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mTts = null;
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}
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isInitialized = false;
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Log.d(TAG, "TTS 销毁");
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}
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private void sendCallback(String callbackId, JSONObject result) {
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if (callbackId != null && moduleContext != null) {
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try {
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moduleContext.a(callbackId, result);
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} catch (Exception e) {
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Log.e(TAG, "sendCallback error: " + e.getMessage());
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}
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}
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}
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}
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