Http post request with no Encoding and reading the stream revieved from the server

HttpPostJsonPayload

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpEntity;
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.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONObject;

import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {

	TextView edt;
	String url="http://YOUR-URL/samplepost";
	String finalResult="";
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		edt=(TextView) findViewById(R.id.txtId);
		new LongOperation().execute("");
	}


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

		@Override
		protected String doInBackground(String... params) {
			finalResult=postData();
			return "Executed";
		}

		@Override
		protected void onPostExecute(String result) {
			Log.d("ANSWER", finalResult);
			edt.setText(finalResult);
		}

		@Override
		protected void onPreExecute() {}

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

	public String postData() {
		InputStream inputStream = null;
		String result = "";
		try {
		// 1. create HttpClient
			HttpClient httpclient = new DefaultHttpClient();
			// 2. make POST request to the given URL
			HttpPost httpPost = new HttpPost(url);
			String json = "";
			// 3. build jsonObject
			JSONObject jsonObject = new JSONObject();
			jsonObject.accumulate("name", "carl");
			
			//SET THE HTTP PARAMS
                        HttpParams httpParameters = httpPost.getParams();
                        // Set the connection timeout in milliseconds until a connection is established.
                        HttpConnectionParams.setConnectionTimeout(httpParameters, 10000);
                        // Set the socket timeout in milliseconds which is the timeout for waiting for data.
                        HttpConnectionParams.setSoTimeout(httpParameters, 10000);
            
			// 4. convert JSONObject to JSON to String
			json = jsonObject.toString();
			// 5. set json to StringEntity
			StringEntity se = new StringEntity(json);
			// 6. set httpPost Entity
			httpPost.setEntity(se);
			// 7. Set some headers to inform server about the type of the content   
			httpPost.setHeader("Accept", "application/json");
			httpPost.setHeader("Content-type", "application/json");
			// 8. Execute POST request to the given URL
			HttpResponse httpResponse = httpclient.execute(httpPost);
			// 9. receive response as inputStream
			inputStream = httpResponse.getEntity().getContent();
			// 10. convert inputstream to string
			if(inputStream != null)
				result = convertInputStreamToString(inputStream);
			else
				result = "Did not work!";

		} catch (Exception e) {
			Log.d("InputStream", e.getLocalizedMessage());
		}
		// 11. return result

		return result;
	} 

	private static String convertInputStreamToString(InputStream inputStream) throws IOException{
		BufferedReader bufferedReader = new BufferedReader( new InputStreamReader(inputStream));
		String line = "";
		String result = "";
		while((line = bufferedReader.readLine()) != null)
			result += line;
		inputStream.close();
		return result;
	}   
}