Android语音识别功能使用

package com.king.android.speical;

import java.util.ArrayList;

import com.king.android.R;

import android.app.Activity;

import android.content.ActivityNotFoundException;

import android.content.Intent;

import android.os.Bundle;

import android.speech.RecognizerIntent;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.Toast;

/**

 * 描述：语音识别功能(只有在真机才能测试)

 * 作者：Andy.Liu

 * 时间： 2012-7-16  上午07:38:27

 **/

public class VoiceActivity extends Activity implements OnClickListener{

private static final int VOICE_RECOGNITION_REQUEST_CODE = 4321;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

Button btnVoice = (Button) findViewById(R.id.btn_voice);

btnVoice.setVisibility(View.VISIBLE);

btnVoice.setOnClickListener(this);

}

@Override

public void onClick(View v) {

switch(v.getId()){

case R.id.btn_voice:

doStartVoice();

}

}

/**

* 

*TODO：开始语音

*Author：Andy.Liu

*Create Time：2012-7-16 上午07:42:48

*TAG：

*Return：void

*/

private void doStartVoice(){

try{

//通过intent传递语音识别的模式，

Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);

//语言模式和自由形式的主意识别

intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);

//提示语音开始

intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "开始语音");

startActivityForResult(intent, VOICE_RECOGNITION_REQUEST_CODE);

}catch(ActivityNotFoundException e){

//找到到语音设备

Toast.makeText(VoiceActivity.this, "没有找到设备", Toast.LENGTH_LONG).show();

}

}

@Override

protected void onActivityResult(int requestCode, int resultCode, Intent data) {

if(VOICE_RECOGNITION_REQUEST_CODE==requestCode&&RESULT_OK ==resultCode){

ArrayList<String> results = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);

StringBuilder sb = new StringBuilder();

for(String voice:results){

sb.append(voice);

}

Toast.makeText(VoiceActivity.this, sb.toString(), Toast.LENGTH_LONG).show();

}

super.onActivityResult(requestCode, resultCode, data);

}

}