HotelFragment.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using Newtonsoft.Json.Linq;

using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Newtonsoft.Json;

namespace PariwisataApp
{
    public class HotelFragment : Android.Support.V4.App.Fragment
    {
        ListView DaftarHotel;
        ProgressBar progress;
        private List<Hotel> itemHotel;




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

            // Create your fragment here
        }

        public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
        {
            //Menampilkan layout untuk fragment
            View view = inflater.Inflate(Resource.Layout.hotelLayout, container, false);
            string id = Arguments.GetString("idkabupaten");
            Uri BaseUri = new Uri("https://banyu.center/pariwisataapp/api/getHotelbyKabupaten/" + id);
            DaftarHotel = view.FindViewById<ListView>(Resource.Id.hoteldataList);
            itemHotel = new List<Hotel>();
            var webClient = new WebClient();
            webClient.DownloadStringAsync(BaseUri);


            progress = view.FindViewById<ProgressBar>(Resource.Id.hotelprogressBar);
            progress.Visibility = ViewStates.Visible;
            webClient.DownloadStringCompleted += WebClient_DownloadStringCompleted;


            return view;
        }

        private void WebClient_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
        {
            Activity.RunOnUiThread(() =>
            {
                itemHotel = JsonConvert.DeserializeObject<List<Hotel>>(e.Result);
                //CustomListAdapter customListAdapter = new CustomListAdapter(this.Activity, itemKabupaten);
                DaftarHotel.Adapter = new HotelListAdapter(this.Activity, itemHotel);
                progress.Visibility = ViewStates.Gone;
                DaftarHotel.ItemClick += DaftarHotel_ItemClick; ;

            });
        }

        void DaftarHotel_ItemClick(object sender, AdapterView.ItemClickEventArgs e)
        {
            Hotel Idnya = itemHotel.ElementAt(e.Position);
            Toast.MakeText(this.Activity, Idnya.id.ToString(), ToastLength.Short).Show();
            string str = Idnya.id.ToString();
            string kab = Idnya.id_kabupaten.ToString();


            //Arahkan ke Fragment WisataFragment
            var transaction = this.FragmentManager.BeginTransaction();
            Bundle bundle = new Bundle();
            //Kirimkan argument untuk id
            bundle.PutString("idx", str);
            bundle.PutString("idkab", kab);


            DetailHotelFragment detailHotel = new DetailHotelFragment();
            detailHotel.Arguments = bundle;
            transaction.Replace(Resource.Id.HomeFrameLayout, detailHotel);
            transaction.AddToBackStack(null);
            transaction.Commit();

        }




    }
}