Post request with android

post request.java

package com.example.httprequest;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends Activity {

	EditText et;
	Button btn;

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

		et = (EditText) findViewById(R.id.editText1);
		btn = (Button) findViewById(R.id.button1);

		new LongOperation().execute("");

	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	public void process(View v) {
		// Toast.makeText(getApplicationContext(), et.getText().toString(),
		// Toast.LENGTH_SHORT).show();

	}

	private class LongOperation extends AsyncTask<String, Void, String> {

		@Override
		protected String doInBackground(String... params) {
			HttpClient httpclient = new DefaultHttpClient();
			HttpPost httppost = new HttpPost("http://localhost/gcg/insert.php");
			
			try {
		        // Add your data
		        List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
		        nameValuePairs.add(new BasicNameValuePair("id", "12345"));
		        nameValuePairs.add(new BasicNameValuePair("stringdata", "AndDev is Cool!"));
		        httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));

		        // Execute HTTP Post Request
		        HttpResponse response = httpclient.execute(httppost);
		        
		    } catch (ClientProtocolException e) {
		        // TODO Auto-generated catch block
		    } catch (IOException e) {
		        // TODO Auto-generated catch block
		    }
			return "Executed";
		}

		@Override
		protected void onPostExecute(String result) {
			// TextView txt = (TextView) findViewById(R.id.output);
			// txt.setText("Executed"); // txt.setText(result);
			// Toast.makeText(getApplicationContext(),
			// et.getText().toString(),Toast.LENGTH_SHORT).show();
			// might want to change "executed" for the returned string passed
			// into onPostExecute() but that is upto you
		}

		@Override
		protected void onPreExecute() {
		}

		@Override
		protected void onProgressUpdate(Void... values) {
		}
	}

}