Start Android system's voice recognizer using Intent

package com.AndroidRecognizer;

import java.util.ArrayList;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.speech.RecognizerIntent;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;

public class AndroidRecognizer extends Activity {
 
 Button startRecognizer;
 Spinner spinnerResult;
 
 private static final int RQS_RECOGNITION = 1;
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
     startRecognizer = (Button)findViewById(R.id.startrecognizer);
     spinnerResult = (Spinner)findViewById(R.id.result);
     
     startRecognizer.setOnClickListener(startRecognizerOnClickListener);
        
    }
    
    private Button.OnClickListener startRecognizerOnClickListener
     = new Button.OnClickListener(){

   @Override
   public void onClick(View arg0) {
    // TODO Auto-generated method stub
    Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
    intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
      RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
    intent.putExtra(RecognizerIntent.EXTRA_PROMPT,
      "Speech to Recognize");
    startActivityForResult(intent, RQS_RECOGNITION);
   }
    };

 @Override
 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
  // TODO Auto-generated method stub
  if((requestCode == RQS_RECOGNITION) & (resultCode == RESULT_OK)){
   
   ArrayList<String> result = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
       
      ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
                 android.R.layout.simple_list_item_1, result);
      adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
      spinnerResult.setAdapter(adapter);
   
  }
   
 }   
}

<?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="@string/hello"
    />
<Button  
    android:id="@+id/startrecognizer"
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="Start Recognizer"
    />
<Spinner
    android:id="@+id/result"
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    />
</LinearLayout>