HtttpGetAndroid Example

using Android.App;
using System.IO;
using Android.OS;
using System.Net;
using System.Text;
using Android.Widget;

namespace HttpTest
{
    [Activity(Label = "HttpGetAndroid", MainLauncher = true, Icon = "@drawable/icon")]
    public class MainActivity : Activity
    {
        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);
            SetContentView(Resource.Layout.Main);

            TextView MessageLabel = FindViewById<TextView>(Resource.Id.SecondName);
            EditText NameTxt = FindViewById<EditText>(Resource.Id.Name);
            EditText SecondName = FindViewById<EditText>(Resource.Id.SecondName);
            Button SendBtn = FindViewById<Button>(Resource.Id.Send);

            string user = "VistaVerde";
            string password = "VistaVerdaPasswordExample";

            SendBtn.Click += delegate
            {
                WebRequest get = WebRequest.Create("http://186.15.27.24/usersdata.php");
                get.Method = "GET";
                get.Credentials = new NetworkCredential(user, password);
                WebResponse res = get.GetResponse();
                StreamReader io = new StreamReader(res.GetResponseStream(), Encoding.ASCII);
                if (io.ReadToEnd().Contains(NameTxt.Text))
                    MessageLabel.Text = "Este usuario ya ha sido registrado";
                else
                    MessageLabel.Text = "Este usuario esta disponible";
            };
        }
    }
}