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); } }

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