try    {
                String ip = "192.168.163.44";

                int port = 8001;
                IPAddress ipAd = IPAddress.Parse(ip);
                TcpListener myList = new TcpListener(ipAd, port);
                myList.Start();

                while (true)
                {

                    Socket s = myList.AcceptSocket();

                    string url = null;
                    string[] connection = null;
                    string msq = null;
                    byte[] dataByte = null;
                    int i = 0;
                    int numConnection = 0;
                    byte[] readBuffer = new byte[s.ReceiveBufferSize];
                    List<byte[]> msqList = new List<byte[]>();
                    do
                    {
                        ++i;
                        readBuffer = new byte[s.ReceiveBufferSize];
                        int numberOfBytesRead = s.Receive(readBuffer);
                        msq = null;

                        if (i == 1)
                        {
                            numConnection = Int32.Parse(Encoding.ASCII.GetString(TrimEnd(readBuffer)));
                            urltext.Text = numConnection.ToString();
                            Debug.WriteLine("recieved: {0}", numConnection);
                        }

                    } while (i < numConnection);


                    s.Close();

                }
                myList.Stop();

            }
            catch (Exception ex)
            {
                Console.WriteLine("Error..... " + ex.StackTrace);
                Console.ReadLine();
            }`

namespace App2
    {
        public partial class MainPage : ContentPage
       {
             public MainPage()
            {

        InitializeComponent();

              //Here//

            }
        }
    }