login form in android using php and mysql

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Java

JavaSE

Mobile

JavaSE6

Android

Hi
I am developing a login form in android using php and mysql each time i try to test in the emulator it shows the following error
in the stack trace

02-02 17:20:05.137 1145-1145/green.gemstouch.com.samplelogin E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: green.gemstouch.com.samplelogin, PID: 1145
android.os.NetworkOnMainThreadException

see the code below

public class MyActivity extends ActionBarActivity  {

    EditText username, password;
    Button login;
    TextView status;
    HttpPost httppost;
    StringBuffer buffer;
    HttpResponse response;
    HttpClient httpclient;
    List<namevaluepair> nameValuePairs;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_my);
        
        setup();
    }

    private void setup() {
        username = (EditText) findViewById(R.id.username);
        password = (EditText) findViewById(R.id.password);
        login = (Button) findViewById(R.id.login);
        status = (TextView) findViewById(R.id.status);

        login.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View arg0) {
                switch (arg0.getId()){
                    case R.id.login:

                        login();    
                        break;
                }
            }
        });
    }

    private void login() {
        try{
            httpclient = new DefaultHttpClient();
            httppost = new HttpPost("http://10.0.2.2/akadalogin/sample.php");
            nameValuePairs = new ArrayList<namevaluepair>(1);
            nameValuePairs.add(new BasicNameValuePair("username", username.getText().toString().trim()));
            nameValuePairs.add(new BasicNameValuePair("password", password.getText().toString().trim()));
            httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
            response = httpclient.execute(httppost);

            ResponseHandler<string> responseHandler = new BasicResponseHandler();
            final String response = httpclient.execute(httppost, responseHandler);

            status.setText(""+response);
            if (response.equalsIgnoreCase("User found")){
                startActivity(new Intent(MyActivity.this, UserPage.class));
            }



        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

Kindly help