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";@Overrideprotected 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/n/n"+"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();}@Overrideprotected 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() {@Overridepublic 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 + "/r/n");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 + "/r/n");}} 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, 0);}@Overrideprotected 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,mInput.getText(),Toast.LENGTH_LONG).show();}}private void initialTts() {this.mSpeechSynthesizer = SpeechSynthesizer.getInstance();this.mSpeechSynthesizer.setContext(this);this.mSpeechSynthesizer.setSpeechSynthesizerListener(new SpeechSynthesizerListener() {@Overridepublic void onSynthesizeStart(String s) {}@Overridepublic void onSynthesizeDataArrived(String s, byte[] bytes, int i) {}@Overridepublic void onSynthesizeFinish(String s) {}@Overridepublic void onSpeechStart(String s) {}@Overridepublic void onSpeechProgressChanged(String s, int i) {}@Overridepublic void onSpeechFinish(String s) {}@Overridepublic 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ttsmSpeechSynthesizer.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, 0, 1024)) >= 0) {fos.write(buffer, 0, 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();}}}}@Overrideprotected void onStop() {super.onStop();// 停止唤醒监听mWpEventManager.send("wp.stop", null, null, 0, 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"><TextViewandroid:layout_width="match_parent"android:layout_height="wrap_content"android:textSize="18dp"android:padding="8dp"android:id="@+id/txtResult" /><EditTextandroid: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" /><applicationandroid: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/app2. 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" /><activityandroid: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>