科大讯飞语音识别DEMO

        下面是重要代码，完整DEMO，请在最下面的地址下载。

XML文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:gravity="center_horizontal"
    android:orientation="vertical" >

    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="0dip"
        android:layout_weight="1" >

        <EditText
            android:id="@+id/txt_result"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:editable="false"
            android:gravity="top|left"
            android:paddingBottom="40dip"
            android:textSize="20sp" />
    </RelativeLayout>

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" >

        <Button
            android:id="@+id/bt_search"
            android:layout_width="0dip"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="搜索" >
        </Button>

        <Button
            android:id="@android:id/button2"
            android:layout_width="0dip"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dip"
            android:layout_weight="1"
            android:text="取消" />
    </LinearLayout>

</LinearLayout>

Activity类

package com.test.demo;

import java.util.ArrayList;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;

import com.iflytek.speech.RecognizerResult;
import com.iflytek.speech.SpeechConfig.RATE;
import com.iflytek.speech.SpeechError;
import com.iflytek.ui.RecognizerDialog;
import com.iflytek.ui.RecognizerDialogListener;

 
public class HelloDemoActivity extends Activity implements OnClickListener {
    protected static final String TAG = "ThirdActivity";
    private EditText txt_result;
    private RecognizerDialog rd;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.demo);
        findView();
        //RecognizerDialog(Context context, String params); "appid=1234567,usr=test,pwd=12345"  usr、pwd不是必选的
        //创建语音识别dailog对象，appid到讯飞就注册获取
        rd = new RecognizerDialog(this ,"appid=50e1b967");
    }

    private void findView() {
        txt_result = (EditText) findViewById(R.id.txt_result);
        findViewById(R.id.bt_search).setOnClickListener(this);
    }
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
        case R.id.bt_search:
            showReconigizerDialog();
            break;

        default:
            break;
        }
    }

    private void showReconigizerDialog() {
        //setEngine(String engine,String params,String grammar);
        /**
         * 识别引擎选择，目前支持以下五种
            “sms”：普通文本转写
            “poi”：地名搜索
            “vsearch”：热词搜索
            “vsearch”：热词搜索
            “video”：视频音乐搜索
            “asr”：命令词识别
            
            params    引擎参数配置列表
            附加参数列表，每项中间以逗号分隔，如在地图搜索时可指定搜索区域：“area=安徽省合肥市”，无附加参数传null
         */
        rd.setEngine("sms", null, null);
        
        //设置采样频率，默认是16k，android手机一般只支持8k、16k.为了更好的识别，直接弄成16k即可。
        rd.setSampleRate(RATE.rate16k);
        
        final StringBuilder sb = new StringBuilder();
        Log.i(TAG, "识别准备开始.............");
        
        //设置识别后的回调结果
        rd.setListener(new RecognizerDialogListener() {
            @Override
            public void onResults(ArrayList<RecognizerResult> result, boolean isLast) {
                for (RecognizerResult recognizerResult : result) {
                    sb.append(recognizerResult.text);
                    Log.i(TAG, "识别一条结果为::"+recognizerResult.text);
                }
            }
            @Override
            public void onEnd(SpeechError error) {
                Log.i(TAG, "识别完成.............");
                txt_result.setText(sb.toString());
                Log.i(TAG, "识别完成:"+txt_result.getText().toString());
            }
        });
        //先设置为空，等识别完成后设置内容
        txt_result.setText(""); 
        rd.show();
    }

}

配置文件

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.test.demo"
    android:versionCode="1"
    android:versionName="1.0" >
    <uses-sdk android:minSdkVersion="10" />
    <uses-permission android:name="android.permission.RECORD_AUDIO" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name=".HelloDemoActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

完整DEMO下载地址：http://download.csdn.net/detail/androidsj/5234326