Android語音辨識功能使用

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：語音辨識功能(只有在真機才能測試) * 作者：Andy.Liu * 時間： 2012-7-16  上午07:38:27 **/public class VoiceActivity extends Activity implements OnClickListener{private static final int VOICE_RECOGNITION_REQUEST_CODE = 4321;@Overrideprotected 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);}@Overridepublic void onClick(View v) {switch(v.getId()){case R.id.btn_voice:doStartVoice();}}/** *  *TODO：開始語音 *Author：Andy.Liu *Create Time：2012-7-16 上午07:42:48 *TAG： *Return：void */private void doStartVoice(){try{//通過intent傳遞語音辨識的模式，Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);//語言模式和自由形式的主意識別intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);//提示音開始intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "開始語音");startActivityForResult(intent, VOICE_RECOGNITION_REQUEST_CODE);}catch(ActivityNotFoundException e){//找到到語音裝置Toast.makeText(VoiceActivity.this, "沒有找到裝置", Toast.LENGTH_LONG).show();}}@Overrideprotected 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);}}