MainActivity

package com.******.******;

import android.app.ProgressDialog;
import android.content.Context;
import android.support.design.widget.Snackbar;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.DefaultItemAnimator;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.TextView;

import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonArrayRequest;
import com.android.volley.toolbox.Volley;
import com.novalnvall.memeunfaedah.adapter.GalleryAdapter;
import com.novalnvall.memeunfaedah.adapter.ProfilAdapter;
import com.novalnvall.memeunfaedah.adapter.TabbedAdapter;
import com.novalnvall.memeunfaedah.model.Gallery;

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

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity implements SwipeRefreshLayout.OnRefreshListener {
    private TabbedAdapter adapter;
    private RecyclerView recyclerView;
    private SwipeRefreshLayout swipeRefreshLayout;
    private Context mContext;
    private ProgressDialog mPrgoresDialog;
    private Snackbar mSnackbar;
    private ProfilAdapter mAdapter;
    private ArrayList<Gallery> galleryArrayList;
    private RequestQueue requestQueue;
    private String nama;
    private TextView nama2;

    private ProgressBar progressBar;

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

        // Swipe refresh
        swipeRefreshLayout =  findViewById(R.id.swipe);
        swipeRefreshLayout.setColorSchemeColors(getResources().getColor(R.color.colorPrimaryDark));
        swipeRefreshLayout.setOnRefreshListener(this);

        //Progresbar
        progressBar = findViewById(R.id.progress_bar2);

        // Recycle View
        recyclerView = findViewById(R.id.recy2);




        loadData();
        // Adapter
        galleryArrayList = new ArrayList<>();
        mAdapter = new ProfilAdapter(this, galleryArrayList);
        RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager(this);
        recyclerView.setLayoutManager(mLayoutManager);
        recyclerView.setItemAnimator(new DefaultItemAnimator());
        recyclerView.setAdapter(mAdapter);



    }
    private void loadData(){
        String jsonUrl="http://192.168.43.171/meme/profil.php";
        showProgressBar();

        JsonArrayRequest jsonArrayRequest =  new JsonArrayRequest(jsonUrl, new Response.Listener<JSONArray>() {
            @Override
            public void onResponse(JSONArray response) {
                galleryArrayList.clear();
                    try {
                        for (int i = 0; i < response.length(); i++) {
                            JSONObject jsonObject = response.getJSONObject(i);
                            Gallery gallery = new Gallery();
                            gallery.setNama_admin(jsonObject.getString("nama_admin"));
                            gallery.setCaption(jsonObject.getString("caption"));
                            gallery.setIkon(jsonObject.getString("ikon"));
                            gallery.setSumber(jsonObject.getString("sumber"));
                            gallery.setGambar(jsonObject.getString("gambar"));
                            gallery.setKategori(jsonObject.getString("kategori"));
                            gallery.setId(jsonObject.getInt("id"));
                            galleryArrayList.add(gallery);
                        }

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

                mAdapter.notifyDataSetChanged();
                hideProgressBar();
                swipeRefreshLayout.setRefreshing(false);
            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                Log.e("Volley", error.toString());

                hideProgressBar();
                mSnackbar = Snackbar.make(swipeRefreshLayout,"Coba Lagi", Snackbar.LENGTH_INDEFINITE).setAction("RETRY", new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {
                        loadData();
                    }
                });
            }
        });
        RequestQueue requestQueue = Volley.newRequestQueue(this);
        requestQueue.add(jsonArrayRequest);

    }

    private void showProgressBar() {
        progressBar.setVisibility(View.VISIBLE);
    }

    private void hideProgressBar() {
        progressBar.setVisibility(View.GONE);
    }

    private void updateProgressBar(int progress) {
        progressBar.setProgress(progress);
    }

    @Override
    public void onRefresh() {
        loadData();
    }
    }