using System;
using System.IO;
using System.Text;
using System.Xml;
using System.Net;
using System.Xml.Serialization;
using System.Xml.Linq;
using Android.Telephony;
using Android.Widget;

namespace TrackingApp
{
	public class DataXmlGenerator
	{
		private static DataXmlGenerator m_XMLGenerator = new DataXmlGenerator();
		private static dynamic YaLocator = new
		{
			Version = "1.0",
			ApiKey = @"AB8KN1EBAAAAt-_0awMAtvZAzciQJO3iFHMvHyCRkBhG0mcAAAAAAAAAAACIqk6bjAfT-oQaEeb9uU8Cavl2-g==",
			CountryCode = 250,
			OperatorId = 1,
			CellId = 12,
			Lac = 6405,
			SignalStrengthGsm = -45,
			SignalStrengthWiFi = -90,
			Age = 1000,
			Mac = "0123456789AB",
			IP = "37.218.149.199"
		};

		private DataXmlGenerator ()
		{
		}

		public static DataXmlGenerator GetInstance()
		{
			return m_XMLGenerator;
		}

		public void XMLsender()
		{
			System.Net.ServicePointManager.Expect100Continue = false;
			
			var req = (HttpWebRequest)WebRequest.Create("http://api.lbs.yandex.net/geolocation");
			
			req.Method = WebRequestMethods.Http.Post;
			req.ContentType = "application/x-www-form-urlencoded";
			req.Headers[HttpRequestHeader.AcceptEncoding] = "identity";
			var xDoc = new XDocument( 
				new XElement("ya_lbs_request",
			             new XElement("common",
			             new XElement("version", YaLocator.Version),
			             new XElement("api_key", YaLocator.ApiKey)),
			             new XElement("gsm_cells",
			             new XElement("countrycode", YaLocator.CountryCode),
			             new XElement("operatorid", YaLocator.OperatorId),
			             new XElement("cellid", YaLocator.CellId),
			             new XElement("lac", YaLocator.Lac),
			             new XElement("signal_strength", YaLocator.SignalStrengthGsm),
			             new XElement("age", YaLocator.Age)),
			             new XElement("wifi_networks",
			             new XElement("network",
			             new XElement("mac", YaLocator.Mac),
			             new XElement("signal_strength", YaLocator.SignalStrengthWiFi))),
			             new XElement("ip",
			             new XElement("address_v4", YaLocator.IP))));
			var sentData = System.Text.Encoding.UTF8.GetBytes(string.Format("xml={0}", xDoc.ToString()));
			req.ContentLength = sentData.Length;

			using (var sendStream = req.GetRequestStream())
			{
				sendStream.Write(sentData, 0, sentData.Length);
			}
			var response = (HttpWebResponse)req.GetResponse();
			var buf = new byte[response.ContentLength];
			
			using (var respStream = response.GetResponseStream())
			{
				respStream.Read(buf, 0, buf.Length);
				string m = System.Text.Encoding.UTF8.GetString(buf);
			}
		}
	}}

var response = (HttpWebResponse)req.GetResponse();