protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);

            SetContentView(Resource.Layout.layout_register);

            var btnSave        = FindViewById <Button> (Resource.Id.btnGuardar);
            var txtNombre      = FindViewById <TextView> (Resource.Id.txtNombreCompleto);
            var txtEmail       = FindViewById <TextView> (Resource.Id.txtEmailRegistro);
            var txtPassword    = FindViewById <TextView> (Resource.Id.txtContraseña);
            var txtPassConfirm = FindViewById <TextView> (Resource.Id.txtContraseñaConfirmar);

            var      IniciarSesion = FindViewById <TextView> (Resource.Id.txtIniciarSesion);
            Typeface font          = Typeface.CreateFromAsset(Application.Context.Assets, "Fonts/HelveticaNeue-Thin.otf");

            _supporttoolbar = FindViewById <Android.Support.V7.Widget.Toolbar> (Resource.Id.ToolBarRegistro);
            var ToolbarTitle = FindViewById <TextView> (Resource.Id.toolbar_titleRegister);

            ToolbarTitle.SetText(Resource.String.Registro);
            //_supporttoolbar.SetTitle(Resource.String.Registro);
            SetSupportActionBar(_supporttoolbar);
            SupportActionBar.SetDisplayHomeAsUpEnabled(false);

            btnSave.SetTypeface(font, TypefaceStyle.Normal);

            _supporttoolbar.Click += (object sender, EventArgs e) =>
            {
                StartActivity(typeof(MainActivity));
            };

            IniciarSesion.Click += (object sender, EventArgs e) =>
            {
                StartActivity(typeof(IniciarSesionActivity));
            };

            btnSave.Click += (object sender, EventArgs e) => {
                btnSave.SetBackgroundColor(Color.White);
                btnSave.SetTextColor(Color.Orange);
                string strNombre      = txtNombre.Text.Trim();
                string strEmail       = txtEmail.Text.Trim();
                string strPassword    = txtPassword.Text.Trim();
                string strPassConfirm = txtPassConfirm.Text.Trim();
                string string_key     = "41f579fc-1445-4065-ab10-c06d50e724d3";

                services_911consumidor_com.COCOService cliente = new Navigation_View.services_911consumidor_com.COCOService();

                cliente.AccountRegistration(new Navigation_View.services_911consumidor_com.UserDTO {
                    FirstName = strNombre,
                    Email     = strEmail,
                    Password  = strPassword,
                    Device    = string.Empty
                }, string_key);

                Xamarin.Auth.Account account = new Xamarin.Auth.Account(strEmail, AccountCore.Dictionary(strNombre, strEmail, strPassword));

                AccountStore.Create(this).Save(account, "consumidor");

                new Android.Support.V7.App.AlertDialog.Builder(this)
                .SetMessage("Su cuenta ha sido registrada.")
                .SetTitle("ATENCIÓN")
                .Show();

                StartActivity(typeof(MainActivity));
            };
            // Create your application here
        }
        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);

            SetContentView(Resource.Layout.layout_iniciar_sesion);

            Typeface font          = Typeface.CreateFromAsset(Application.Context.Assets, "Fonts/HelveticaNeue-Thin.otf");
            var      btnIniciar    = FindViewById <Button> (Resource.Id.btnIniciar);
            var      txtContraseña = FindViewById <TextView> (Resource.Id.txtContraseñaSesion);
            var      txtEmail      = FindViewById <TextView> (Resource.Id.txtEmailSesion);

            btnIniciar.SetTypeface(font, TypefaceStyle.Normal);

            _supporttoolbar = FindViewById <Android.Support.V7.Widget.Toolbar> (Resource.Id.ToolBarSesion);
            var ToolbarTitle = FindViewById <TextView> (Resource.Id.toolbar_sesion);

            ToolbarTitle.SetText(Resource.String.Sesion);
            SetSupportActionBar(_supporttoolbar);
            SupportActionBar.SetDisplayHomeAsUpEnabled(false);


            btnIniciar.Click += (object sender, EventArgs e) => {
                btnIniciar.SetBackgroundColor(Color.White);
                btnIniciar.SetTextColor(Color.Orange);
                string string_key = "41f579fc-1445-4065-ab10-c06d50e724d3";
                string UserEmail  = txtEmail.Text.Trim();
                string Password   = txtContraseña.Text.Trim();

                try {
                    services_911consumidor_com.COCOService cliente = new Navigation_View.services_911consumidor_com.COCOService();
                    services_911consumidor_com.UserDTO     Usuario = new Navigation_View.services_911consumidor_com.UserDTO();

                    Usuario = cliente.AccountLogin(new Navigation_View.services_911consumidor_com.UserDTO {
                        Email    = UserEmail,
                        Password = Password
                    }, string_key);

                    Xamarin.Auth.Account account = new Xamarin.Auth.Account(Usuario.Email, AccountCore.Dictionary(Usuario.FirstName, Usuario.Email, Password));
                    AccountStore.Create(this).Save(account, "consumidor");
                    new Android.Support.V7.App.AlertDialog.Builder(this)
                    .SetMessage("Conexión Satisfactoria")
                    .SetPositiveButton("OK", delegate {
                        Console.WriteLine("OK");
                    })
                    .SetTitle("ATENCIÓN")
                    .Show();

                    StartActivity(typeof(MainActivity));
                } catch (Exception ex) {
                    var MensajeError = ex.Message.Remove(0, 43);
                    new Android.Support.V7.App.AlertDialog.Builder(this)
                    .SetMessage("Error en la conexión: " + MensajeError)
                    .SetPositiveButton("OK", delegate {
                        Console.WriteLine("OK");
                    })
                    .SetTitle("ATENCIÓN")
                    .Show();
                }
            };

            // Create your application here
        }