Android 基于百度语音的语音交互功能(推荐)

package com.example.administrator.baiduvoicetest;
import android.content.Intent;
import android.os.Bundle;
import android.os.Environment;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.util.AndroidRuntimeException;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import com.baidu.speech.EventListener;
import com.baidu.speech.EventManager;
import com.baidu.speech.EventManagerFactory;
import com.baidu.tts.auth.AuthInfo;
import com.baidu.tts.client.SpeechError;
import com.baidu.tts.client.SpeechSynthesizer;
import com.baidu.tts.client.SpeechSynthesizerListener;
import com.baidu.tts.client.TtsMode;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
public class MainActivity extends AppCompatActivity {
private TextView txtResult;
private EditText mInput;
private EventManager mWpEventManager;
private SpeechSynthesizer mSpeechSynthesizer;
private String mSampleDirPath;
private static final String SAMPLE_DIR_NAME = "baiduTTS";
private static final String SPEECH_FEMALE_MODEL_NAME = "bd_etts_speech_female.dat";
private static final String SPEECH_MALE_MODEL_NAME = "bd_etts_speech_male.dat";
private static final String TEXT_MODEL_NAME = "bd_etts_text.dat";
private static final String LICENSE_FILE_NAME = "temp_license";
private static final String ENGLISH_SPEECH_FEMALE_MODEL_NAME = "bd_etts_speech_female_en.dat";
private static final String ENGLISH_SPEECH_MALE_MODEL_NAME = "bd_etts_speech_male_en.dat";
private static final String ENGLISH_TEXT_MODEL_NAME = "bd_etts_text_en.dat";
private static final String TAG = "MainActivity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
txtResult = (TextView) findViewById(R.id.txtResult);
txtResult.setText("请说唤醒词: 小度你好或者百度一下nn"+
"离在线语法识别(首次使用需要联网授权)n"+
"语音识别开始后你可以说(可以根据语法自行定义离线说法):n" +
" 1. 打电话给张三(离线)n" +
" 2. 打电话给李四(离线)n" +
" 3. 打开计算器(离线)n" +
" 4. 明天天气怎么样(需要联网)n" +
" ..." +
"n");
mInput= (EditText) findViewById(R.id.input);
mInput.setVisibility(View.GONE);
initialEnv();
initialTts();
}
@Override
protected void onResume() {
super.onResume();
// 唤醒功能打开步骤
// 1) 创建唤醒事件管理器
mWpEventManager = EventManagerFactory.create(MainActivity.this,"wp");
// 2) 注册唤醒事件监听器
mWpEventManager.registerListener(new EventListener() {
@Override
public void onEvent(String name,String params,byte[] data,int offset,int length) {
Log.d(TAG,String.format("event: name=%s,params=%s",name,params));
try {
JSONObject json = new JSONObject(params);
if ("wp.data".equals(name)) { // 每次唤醒成功,将会回调name=wp.data的时间,被激活的唤醒词在params的word字段
String word = json.getString("word");
txtResult.append("唤醒成功,唤醒词: " + word + "rn");
mInput.setText("唤醒成功，请说出指令");
//mInput.setText("succeed");
Toast.makeText(MainActivity.this,mInput.getText(),Toast.LENGTH_LONG).show();
speak();
//延时3秒，防止语音合成的内容又被语音识别
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
e.printStackTrace();
}
Intent intent = new Intent("com.baidu.action.RECOGNIZE_SPEECH");
intent.putExtra("grammar","asset:///baidu_speech_grammardemo.bsg"); // 设置离线的授权文件(离线模块需要授权),该语法可以用自定义语义工具生成,链接http://yuyin.baidu.com/asr#m5
//intent.putExtra("slot-data",your slots); // 设置grammar中需要覆盖的词条,如联系人名
startActivityForResult(intent,1);
} else if ("wp.exit".equals(name)) {
txtResult.append("唤醒已经停止: " + params + "rn");
}
} catch (JSONException e) {
throw new AndroidRuntimeException(e);
}
}
});
// 3) 通知唤醒管理器,启动唤醒功能
HashMap params = new HashMap();
params.put("kws-file","assets:///WakeUpDemo.bin"); // 设置唤醒资源,唤醒资源请到 http://yuyin.baidu.com/wake#m4 来评估和导出
mWpEventManager.send("wp.start",new JSONObject(params).toString(),null,0);
}
@Override
protected void onActivityResult(int requestCode,int resultCode,Intent data) {
super.onActivityResult(requestCode,resultCode,data);
if (resultCode == RESULT_OK) {
Bundle results = data.getExtras();
ArrayList<String> results_recognition = results.getStringArrayList("results_recognition");
//txtResult.append("识别结果(数组形式): " + results_recognition + "n");
//将数组形式的识别结果变为正常的String类型，例：[给张三打电话]变成给张三打电话
String str=results_recognition+"";
String res=str.substring(str.indexOf("[")+1,str.indexOf("]"));
txtResult.append(res+"n");
mInput.setText("好的，马上执行"+res);
speak();
Toast.makeText(MainActivity.this,Toast.LENGTH_LONG).show();
}
}
private void initialTts() {
this.mSpeechSynthesizer = SpeechSynthesizer.getInstance();
this.mSpeechSynthesizer.setContext(this);
this.mSpeechSynthesizer.setSpeechSynthesizerListener(new SpeechSynthesizerListener() {
@Override
public void onSynthesizeStart(String s) {
}
@Override
public void onSynthesizeDataArrived(String s,byte[] bytes,int i) {
}
@Override
public void onSynthesizeFinish(String s) {
}
@Override
public void onSpeechStart(String s) {
}
@Override
public void onSpeechProgressChanged(String s,int i) {
}
@Override
public void onSpeechFinish(String s) {
}
@Override
public void onError(String s,SpeechError speechError) {
}
});
// 文本模型文件路径 (离线引擎使用)
this.mSpeechSynthesizer.setParam(SpeechSynthesizer.PARAM_TTS_TEXT_MODEL_FILE,mSampleDirPath + "/"
+ TEXT_MODEL_NAME);
// 声学模型文件路径 (离线引擎使用)
this.mSpeechSynthesizer.setParam(SpeechSynthesizer.PARAM_TTS_SPEECH_MODEL_FILE,mSampleDirPath + "/"
+ SPEECH_FEMALE_MODEL_NAME);
// 本地授权文件路径,如未设置将使用默认路径.设置临时授权文件路径，LICENCE_FILE_NAME请替换成临时授权文件的实际路径，仅在使用临时license文件时需要进行设置，如果在[应用管理]中开通了正式离线授权，不需要设置该参数，建议将该行代码删除（离线引擎）
// 如果合成结果出现临时授权文件将要到期的提示，说明使用了临时授权文件，请删除临时授权即可。
this.mSpeechSynthesizer.setParam(SpeechSynthesizer.PARAM_TTS_LICENCE_FILE,mSampleDirPath + "/"
+ LICENSE_FILE_NAME);
// 请替换为语音开发者平台上注册应用得到的App ID (离线授权)
this.mSpeechSynthesizer.setAppId("xxx"/*这里只是为了让Demo运行使用的APPID,请替换成自己的id。*/);
// 请替换为语音开发者平台注册应用得到的apikey和secretkey (在线授权)
this.mSpeechSynthesizer.setApiKey("xxx","xxx"/*这里只是为了让Demo正常运行使用APIKey,请替换成自己的APIKey*/);
// 发音人（在线引擎），可用参数为0,1,2,3。。。（服务器端会动态增加，各值含义参考文档，以文档说明为准。0--普通女声，1--普通男声，2--特别男声，3--情感男声。。。）
this.mSpeechSynthesizer.setParam(SpeechSynthesizer.PARAM_SPEAKER,"0");
// 设置Mix模式的合成策略
this.mSpeechSynthesizer.setParam(SpeechSynthesizer.PARAM_MIX_MODE,SpeechSynthesizer.MIX_MODE_DEFAULT);
// 授权检测接口(只是通过AuthInfo进行检验授权是否成功。)
// AuthInfo接口用于测试开发者是否成功申请了在线或者离线授权，如果测试授权成功了，可以删除AuthInfo部分的代码（该接口首次验证时比较耗时），不会影响正常使用（合成使用时SDK内部会自动验证授权）
AuthInfo authInfo = this.mSpeechSynthesizer.auth(TtsMode.MIX);
if (authInfo.isSuccess()) {
Toast.makeText(this,"auth success",Toast.LENGTH_LONG).show();
} else {
String errorMsg = authInfo.getTtsError().getDetailMessage();
Toast.makeText(this,"auth failed errorMsg=" + errorMsg,Toast.LENGTH_LONG).show();
}
// 初始化tts
mSpeechSynthesizer.initTts(TtsMode.MIX);
// 加载离线英文资源（提供离线英文合成功能）
int result =
mSpeechSynthesizer.loadEnglishModel(mSampleDirPath + "/" + ENGLISH_TEXT_MODEL_NAME,mSampleDirPath
+ "/" + ENGLISH_SPEECH_FEMALE_MODEL_NAME);
//Toast.makeText(this,"loadEnglishModel result=" + result,Toast.LENGTH_LONG).show();
//打印引擎信息和model基本信息
//printEngineInfo();
}
private void speak() {
String text = this.mInput.getText().toString();
//需要合成的文本text的长度不能超过1024个GBK字节。
if (TextUtils.isEmpty(mInput.getText())) {
text = "欢迎使用百度语音合成SDK,百度语音为你提供支持。";
mInput.setText(text);
}
int result = this.mSpeechSynthesizer.speak(text);
if (result < 0) {
Toast.makeText(this,"error,please look up error code in doc or URL:http://yuyin.baidu.com/docs/tts/122 ",Toast.LENGTH_LONG).show();
}
}
private void initialEnv() {
if (mSampleDirPath == null) {
String sdcardPath = Environment.getExternalStorageDirectory().toString();
mSampleDirPath = sdcardPath + "/" + SAMPLE_DIR_NAME;
}
makeDir(mSampleDirPath);
copyFromAssetsToSdcard(false,SPEECH_FEMALE_MODEL_NAME,mSampleDirPath + "/" + SPEECH_FEMALE_MODEL_NAME);
copyFromAssetsToSdcard(false,SPEECH_MALE_MODEL_NAME,mSampleDirPath + "/" + SPEECH_MALE_MODEL_NAME);
copyFromAssetsToSdcard(false,TEXT_MODEL_NAME,mSampleDirPath + "/" + TEXT_MODEL_NAME);
copyFromAssetsToSdcard(false,LICENSE_FILE_NAME,mSampleDirPath + "/" + LICENSE_FILE_NAME);
copyFromAssetsToSdcard(false,"english/" + ENGLISH_SPEECH_FEMALE_MODEL_NAME,mSampleDirPath + "/"
+ ENGLISH_SPEECH_FEMALE_MODEL_NAME);
copyFromAssetsToSdcard(false,"english/" + ENGLISH_SPEECH_MALE_MODEL_NAME,mSampleDirPath + "/"
+ ENGLISH_SPEECH_MALE_MODEL_NAME);
copyFromAssetsToSdcard(false,"english/" + ENGLISH_TEXT_MODEL_NAME,mSampleDirPath + "/"
+ ENGLISH_TEXT_MODEL_NAME);
}
private void makeDir(String dirPath) {
File file = new File(dirPath);
if (!file.exists()) {
file.mkdirs();
}
}
/**
* 将sample工程需要的资源文件拷贝到SD卡中使用（授权文件为临时授权文件，请注册正式授权）
*
* @param isCover 是否覆盖已存在的目标文件
* @param source
* @param dest
*/
private void copyFromAssetsToSdcard(boolean isCover,String source,String dest) {
File file = new File(dest);
if (isCover || (!isCover && !file.exists())) {
InputStream is = null;
FileOutputStream fos = null;
try {
is = getResources().getAssets().open(source);
String path = dest;
fos = new FileOutputStream(path);
byte[] buffer = new byte[1024];
int size = 0;
while ((size = is.read(buffer,1024)) >= 0) {
fos.write(buffer,size);
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (fos != null) {
try {
fos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
try {
if (is != null) {
is.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
@Override
protected void onStop() {
super.onStop();
// 停止唤醒监听
mWpEventManager.send("wp.stop",0);
}
}

<?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:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.example.administrator.baiduvoicetest.MainActivity">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="18dp"
android:padding="8dp"
android:id="@+id/txtResult" />
<EditText
android:id="@+id/input"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:hint="input" />
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.administrator.baiduvoicetest">
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
<uses-permission android:name="android.permission.WRITE_SETTINGS" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<!-- begin: baidu speech sdk-->
<!--
离线功能指南：
1. 在百度语音开放平台注册应用，http://yuyin.baidu.com/app
2. 为您的应用的“申请离线授权页面”，填写程序包名
3. 在当前应用的AndroidManifest.xml中填写相应的APP_ID（或在代码中设置appid参数）
4. 根据场景下载并集成相应的资源，见http://yuyin.baidu.com/docs/asr/131和http://yuyin.baidu.com/asr/download
另外需要注意的是离线功能只是在线功能的“增强”，不能永久不联网使用（特别是首次使用）。
-->
<!-- 请填写真实的APP_ID API_KEY SECRET_KEY -->
<meta-data android:name="com.baidu.speech.APP_ID" android:value="8888274"/>
<meta-data android:name="com.baidu.speech.API_KEY" android:value="FOFOGnjFERG3UTZC4FdDnXhM"/>
<meta-data android:name="com.baidu.speech.SECRET_KEY" android:value="63830985f5b05d2863f13ad07c7feaa3"/>
<service android:name="com.baidu.speech.VoiceRecognitionService" android:exported="false" />
<activity
android:name="com.baidu.voicerecognition.android.ui.BaiduASRDigitalDialog"
android:configChanges="orientation|keyboardHidden|screenLayout"
android:theme="@android:style/Theme.Dialog"
android:exported="false"
android:screenOrientation="portrait">
<intent-filter>
<action android:name="com.baidu.action.RECOGNIZE_SPEECH" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<!-- end : baidu speech sdk-->
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>