android 语音唤醒 实例源码

【实例截图】

【核心代码】

package com.iflytek.mscv5plusdemo;


import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
import android.widget.Toast;

import com.iflytek.cloud.SpeechConstant;
import com.iflytek.cloud.SpeechError;
import com.iflytek.cloud.SpeechUtility;
import com.iflytek.cloud.VoiceWakeuper;
import com.iflytek.cloud.WakeuperListener;
import com.iflytek.cloud.WakeuperResult;
import com.iflytek.cloud.util.ResourceUtil;
import com.iflytek.cloud.util.ResourceUtil.RESOURCE_TYPE;

public class WakeDemo extends Activity implements OnClickListener {
private String TAG = "ivw";
private Toast mToast;
private TextView textView;
// 语音唤醒对象
private VoiceWakeuper mIvw;
// 唤醒结果内容
private String resultString;
// 设置门限值 ： 门限值越低越容易被唤醒
private TextView tvThresh;
private SeekBar seekbarThresh;
private final static int MAX = 60;
private final static int MIN = -20;
private int curThresh = MIN;
private String threshStr = "门限值：";
// 引擎类型

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.wake_activity);

initUi();

// 加载识唤醒地资源，resPath为本地识别资源路径
StringBuffer param = new StringBuffer();
String resPath = ResourceUtil.generateResourcePath(WakeDemo.this,
RESOURCE_TYPE.assets, "ivw/" getString(R.string.app_id) ".jet");

param.append(SpeechConstant.IVW_RES_PATH "=" resPath);
param.append("," ResourceUtil.ENGINE_START "=" SpeechConstant.ENG_IVW);
boolean ret = SpeechUtility.getUtility().setParameter(
ResourceUtil.ENGINE_START, param.toString());
if (!ret) {
Log.d(TAG, "启动本地引擎失败！");
}
// 初始化唤醒对象
mIvw = VoiceWakeuper.createWakeuper(this, null);
}

/**
* 
*/
private void initUi() {
findViewById(R.id.btn_start).setOnClickListener(this);
findViewById(R.id.btn_stop).setOnClickListener(this);
mToast = Toast.makeText(this, "", Toast.LENGTH_SHORT);
textView = (TextView) findViewById(R.id.txt_show_msg);
tvThresh = (TextView)findViewById(R.id.txt_thresh);
seekbarThresh = (SeekBar)findViewById(R.id.seekBar_thresh);
seekbarThresh.setMax(MAX - MIN);
seekbarThresh.setProgress(0);
tvThresh.setText(threshStr MIN);
seekbarThresh.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {

@Override
public void onStopTrackingTouch(SeekBar arg0) {
}

@Override
public void onStartTrackingTouch(SeekBar arg0) {
}

@Override
public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2) {
curThresh = seekbarThresh.getProgress() MIN;
tvThresh.setText(threshStr curThresh);
}
});

}

@Override
public void onClick(View v) {
Log.d("value", "curThresh:" curThresh);
switch (v.getId()) {
case R.id.btn_start:
//非空判断，防止因空指针使程序崩溃
mIvw = VoiceWakeuper.getWakeuper();
if(mIvw != null) {
resultString = "";
textView.setText(resultString);
// 清空参数
mIvw.setParameter(SpeechConstant.PARAMS, null);
/**
* 唤醒门限值，根据资源携带的唤醒词个数按照“id:门限;id:门限”的格式传入
* 示例demo默认设置第一个唤醒词，建议开发者根据定制资源中唤醒词个数进行设置
*/
mIvw.setParameter(SpeechConstant.IVW_THRESHOLD, "0:"
curThresh);
// 设置唤醒模式
mIvw.setParameter(SpeechConstant.IVW_SST, "wakeup");
// 设置持续进行唤醒
mIvw.setParameter(SpeechConstant.KEEP_ALIVE, "1");
mIvw.startListening(mWakeuperListener);
} else {
showTip("唤醒未初始化");
}
break;

case R.id.btn_stop:
mIvw = VoiceWakeuper.getWakeuper();
if (mIvw != null) {
mIvw.stopListening();
} else {
showTip("唤醒未初始化");
}
break;

default:
break;
}
}


private WakeuperListener mWakeuperListener = new WakeuperListener() {

@Override
public void onResult(WakeuperResult result) {
try {
String text = result.getResultString();
JSONObject object;
object = new JSONObject(text);
StringBuffer buffer = new StringBuffer();
buffer.append("【RAW】 " text);
buffer.append("\n");
buffer.append("【操作类型】" object.optString("sst"));
buffer.append("\n");
buffer.append("【唤醒词id】" object.optString("id"));
buffer.append("\n");
buffer.append("【得分】" object.optString("score"));
String score=object.optString("score");
if (score.equals("10")) {
   
 
   
}



          buffer.append("\n");
buffer.append("【前端点】" object.optString("bos"));
buffer.append("\n");
buffer.append("【尾端点】" object.optString("eos"));
resultString =buffer.toString();
} catch (JSONException e) {
resultString = "结果解析出错";
e.printStackTrace();
}
textView.setText(resultString);
}

@Override
public void onError(SpeechError error) {
showTip(error.getPlainDescription(true));
}

@Override
public void onBeginOfSpeech() {
showTip("开始说话");
}

@Override
public void onEvent(int eventType, int isLast, int arg2, Bundle obj) {

}

@Override
public void onVolumeChanged(int volume) {
// TODO Auto-generated method stub

}
};

@Override
protected void onDestroy() {
super.onDestroy();
Log.d(TAG, "onDestroy WakeDemo");
mIvw = VoiceWakeuper.getWakeuper();
if (mIvw != null) {
mIvw.destroy();
} else {
showTip("唤醒未初始化");
}
}

private void showTip(final String str) {
runOnUiThread(new Runnable() {

@Override
public void run() {
mToast.setText(str);
mToast.show();
}
});
}

}