Android语音识别简单示例

布局文件：

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    ><TextView      android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="实现语音识别效果"    android:id="@+id/tvTitle"    />    <Button      android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="实现语音识别效果"    android:id="@+id/btn"    />      <ListView      android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:id="@+id/listview"    /></LinearLayout>

源代码：

package app.imo;import java.util.List;import android.app.Activity;import android.content.Intent;import android.content.pm.PackageManager;import android.content.pm.ResolveInfo;import android.os.Bundle;import android.speech.RecognizerIntent;import android.view.View;import android.view.View.OnClickListener;import android.widget.ArrayAdapter;import android.widget.Button;import android.widget.ListView;public class SpeakActivity extends Activity implements OnClickListener{private Button btn ;private ListView listView;private static final int REQUEST_CODE = 1;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.speak);                btn = (Button) this.findViewById(R.id.btn);        listView = (ListView) this.findViewById(R.id.listview);                /**         * 下面是判断当前手机是否支持语音识别功能         */        PackageManager pm = getPackageManager();        List<ResolveInfo> list = pm.queryIntentActivities(new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);        if(list.size()!=0)        {        btn.setOnClickListener(this);        }else{        btn.setEnabled(false);        btn.setText("当前语音识别设备不可用...");        }            }public void onClick(View v) {if(v.getId()==R.id.btn){/** * 启动手机内置的语言识别功能 */Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);  //设置为当前手机的语言类型intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "请说话，我识别");//出现语言识别界面上面需要显示的提示startActivityForResult(intent,REQUEST_CODE);}}@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {/** * 回调获取从谷歌得到的数据 */if(requestCode==REQUEST_CODE&&resultCode==RESULT_OK){List<String> list = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);listView.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,list)); //把数据显示在listview中}super.onActivityResult(requestCode, resultCode, data);}}