Loading videos

package ga.asfanulla.openvid2.fragments;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

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

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

import ga.asfanulla.openvid2.R;
import ga.asfanulla.openvid2.VideoActivity;

import static ga.asfanulla.openvid2.Constants.FIRST_COLUMN;


public class OneFragment extends Fragment {

    private final String JSONUrl = "http://codetest.000webhostapp.com/samplvid/data.php?cat-1";
    private final String TAG_VIDEOS = "cat1";
    private final String TAG_URL = "video_url";
    private final String TAG_TITLE = "video_title";

    private List<String> videoTitles = new ArrayList<String>();
    private List<String> videoURLs = new ArrayList<String>();
    private ArrayAdapter adapter;

    String name="";
    String VidUrl="";


    private ArrayList<HashMap<String, String>> list;
    Activity activity;
    TextView txtFirst;

    private ProgressDialog loading;

    public OneFragment() {
        // Required empty public constructor
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getData();


    }

    private void getData() {

        loading = ProgressDialog.show(getActivity(),"Please wait...","Fetching...",false,false);

        String url = JSONUrl;

        StringRequest stringRequest = new StringRequest(url, new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {
                loading.dismiss();
                showJSON2(response);
            }
        },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        Toast.makeText(getActivity(),error.getMessage().toString(), Toast.LENGTH_LONG).show();
                    }
                });

        RequestQueue requestQueue = Volley.newRequestQueue(getActivity());
        requestQueue.add(stringRequest);
    }

    private void showJSON2(String response){



        try {
            JSONObject jsonObject = new JSONObject(response);
            JSONArray result = jsonObject.getJSONArray(TAG_VIDEOS);

            ListView listView = (ListView) getView().findViewById(R.id.listview);

            list = new ArrayList<HashMap<String, String>>();
            for (int i=0; i<result.length(); i++) {
                JSONObject notice = result.getJSONObject(i);
                name = notice.getString(TAG_TITLE);
                VidUrl = notice.getString(TAG_URL);

                HashMap<String, String> temp= new HashMap<String, String>();
                temp.put(FIRST_COLUMN, name);
                temp.put(SECOND_COLUMN, VidUrl);
                list.add(temp);

            }

            ListViewAdapters adapter = new ListViewAdapters(getActivity(), list);
            listView.setAdapter(adapter);

            listView.setOnItemClickListener(new AdapterView.OnItemClickListener()
            {
                @Override
                public void onItemClick(AdapterView<?> parent, final View view, int position, long id)
                {
                    int pos=position+1;
                   // Toast.makeText(getActivity(), Integer.toString(pos)+" Clicked", Toast.LENGTH_SHORT).show();
                    Intent intent = new Intent(getActivity(), VideoActivity.class);
                    intent.putExtra("videoUrl", VidUrl);
                    intent.putExtra("videoTitle", FIRST_COLUMN);
                    startActivity(intent);
                }

            });

        } catch (JSONException e) {
            e.printStackTrace();
        }



    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_one, container, false);
    }

}