LapangActivity.,java

package com.ajiagustian28.sukabumi_futsal;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
import com.bumptech.glide.Glide;
import com.ajiagustian28.sukabumi_futsal.adapter.ListLapang;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.HashMap;


public class LapangActivity extends AppCompatActivity {
    Koneksi koneksi = new Koneksi();
    private RecyclerView lvhape;

    private RequestQueue requestQueue;
    private StringRequest stringRequest;

    ArrayList<HashMap<String, String>> list_data;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_lapang);

        String url = koneksi.isi_koneksi() + "lapang_view";

        lvhape = (RecyclerView) findViewById(R.id.lvhape);
        LinearLayoutManager llm = new LinearLayoutManager(this);
        llm.setOrientation(LinearLayoutManager.VERTICAL);
        lvhape.setLayoutManager(llm);

        requestQueue = Volley.newRequestQueue(LapangActivity.this);

        list_data = new ArrayList<HashMap<String, String>>();

        stringRequest = new StringRequest(Request.Method.GET, url, new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {
                Log.d("response ", response);
                try {
                    JSONObject jsonObject = new JSONObject(response);
                    JSONArray jsonArray = jsonObject.getJSONArray("Lapangan");
                    for (int a = 0; a < jsonArray.length(); a++) {
                        JSONObject json = jsonArray.getJSONObject(a);
                        HashMap<String, String> map = new HashMap<String, String>();
                        map.put("id", json.getString("id_lapangan"));
                        map.put("merk", json.getString("jenis_lapangan"));
                        map.put("tipe", json.getString("harga"));
//                        map.put("gambar", json.getString("gambar"));
                        map.put("keterangan", json.getString("F002"));
                        list_data.add(map);
                        ListLapang adapter = new ListLapang(LapangActivity.this, list_data);
                        lvhape.setAdapter(adapter);

                    }
                } catch (JSONException e) {
                    e.printStackTrace();
                    Log.e("error-json-map",e.toString());
                }
            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                Toast.makeText(LapangActivity.this, error.getMessage(), Toast.LENGTH_SHORT).show();
            }
        });

        requestQueue.add(stringRequest);

    }
}