Post Data (Http client)

public String postMethod(String conUrl, JSONObject nvps) throws Exception {

		String result = null;
		InputStream is = null;

		HttpClient httpclient = new DefaultHttpClient();
		URI u = new URI(conUrl);
		HttpPost httppost = new HttpPost(u);
		HttpParams httpParameters = new BasicHttpParams();
		int timeoutConnection = 24000;

		HttpConnectionParams.setConnectionTimeout(httpParameters,
				timeoutConnection);
				
				// Here add some Header Info if needed
 		httppost.setHeader("Content-Type", "application/json");  // to define content type in json
		httppost.setHeader("Accept",
				"application/json, text/javascript, */*;q=0.01"); // to accept in JSON in UTF8
				
		// Here post Json String (In above httpPost object accept application/json in UTF8 format)		
		httppost.setEntity(new ByteArrayEntity(nvps.toString().getBytes("UTF8")));

		HttpResponse response = httpclient.execute(httppost);
		HttpEntity entity = response.getEntity();

		if (entity != null) {
			is = entity.getContent();
			result = getStringfromInputStream(is);
			entity.consumeContent();
		}
		httpclient.getConnectionManager().shutdown();
		return result;

	}
	/**
	   Convert Input stream to String by using bufferd reader
	   Neha you should use volly api if you need.
	*/
	public String getStringfromInputStream(InputStream is) {

		String result = null;

		try {
			BufferedReader reader = new BufferedReader(new InputStreamReader(
					is, "iso-8859-1"), 8);
			StringBuilder sb = new StringBuilder();
			String line = null;
			while ((line = reader.readLine()) != null) {
				sb.append(line + "\n");
			}
			is.close();
			result = sb.toString();
		} catch (Exception e) {
			Helper.printStackTrace(e);
		}
		return result;

	}