Code Readibility Sleepy

ArtikelAdapter.java

package id.diamondsleep.adapter;

import android.content.Context;
import android.content.Intent;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import com.bumptech.glide.Glide;
import com.google.gson.Gson;

import java.util.ArrayList;

import id.diamondsleep.R;
import id.diamondsleep.model.Artikel;
import id.diamondsleep.utilities.ConstantValue;
import id.diamondsleep.utilities.Penghitungan;
import id.diamondsleep.view.activity.TipsArtikelDetailActivity;

/**
 * Created by nonomang on 17/05/17.
 */

public class ArtikelAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {

    public final int TYPE_ARTIKEL = 0;
    public final int TYPE_LOAD = 1;
    Context context;
    ArrayList<Artikel> mArtikels;
    OnLoadMoreListener loadMoreListener;
    boolean isLoading = false, isMoreDataAvailable = true;

    public ArtikelAdapter(Context context, ArrayList<Artikel> mArtikels) {
        this.context = context;
        this.mArtikels = mArtikels;
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        LayoutInflater inflater = LayoutInflater.from(context);
        if (viewType == TYPE_ARTIKEL) {
            return new ArtikelHolder(inflater.inflate(R.layout.adapter_article, parent, false));
        } else {
            return new LoadHolder(inflater.inflate(R.layout.adapter_load, parent, false));
        }
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
        if (position >= getItemCount() - 1 && isMoreDataAvailable && isLoading && loadMoreListener != null) {
            isLoading = true;
            loadMoreListener.onLoadMore();
        }

        if (getItemViewType(position) == TYPE_ARTIKEL) {
            ((ArtikelHolder) holder).bindData(mArtikels.get(position));
        }
    }

    @Override
    public int getItemViewType(int position) {
        if (mArtikels.get(position).getIsi().equals("loadArtikel")) {
            return TYPE_LOAD;
        } else {
            return TYPE_ARTIKEL;
        }
    }

    @Override
    public int getItemCount() {
        return mArtikels.size();
    }

    public void setMoreDataAvailable(boolean moreDataAvailable) {
        isMoreDataAvailable = moreDataAvailable;
    }

    public void notifyDataChanged() {
        notifyDataSetChanged();
        isLoading = false;
    }

    public void setLoadMoreListener(OnLoadMoreListener loadMoreListener) {
        this.loadMoreListener = loadMoreListener;
    }

    public interface OnLoadMoreListener {
        void onLoadMore();
    }

    static class LoadHolder extends RecyclerView.ViewHolder {
        public LoadHolder(View itemView) {
            super(itemView);
        }
    }

    class ArtikelHolder extends RecyclerView.ViewHolder {

        TextView artikel_judul, artikel_pengirim, artikel_tanggal;
        ImageView artikel_gambar;

        public ArtikelHolder(final View itemView) {
            super(itemView);
            artikel_judul = (TextView) itemView.findViewById(R.id.title_article);
            artikel_pengirim = (TextView) itemView.findViewById(R.id.pembuat_article);
            artikel_tanggal = (TextView) itemView.findViewById(R.id.tv_tgl_post_articleadapter);
            artikel_gambar = (ImageView) itemView.findViewById(R.id.img_artikel);

            itemView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    Intent intent = new Intent(view.getContext(), TipsArtikelDetailActivity.class);
                    intent.putExtra("detailArtikel", new Gson().toJson(mArtikels.get(getAdapterPosition())));
                    itemView.getContext().startActivity(intent);
//                    Toast.makeText(context, "Clicked", Toast.LENGTH_SHORT).show();
                }
            });
        }

        void bindData(Artikel artikel) {
            if (artikel.getJudul().length() > 43) {
                artikel_judul.setText(artikel.getJudul().substring(0, 40) + "...");
            } else {
                artikel_judul.setText(artikel.getJudul());
            }

            artikel_pengirim.setText(artikel.getPengirim());

//            String[] tanggal = artikel.getTanggal().split("-");
            String tanggal = Penghitungan.convertDateFromDBFormat(artikel.getTanggal());
            artikel_tanggal.setText(tanggal);

            try {
                String image_uri = ConstantValue.Api.PICTURE_URI + artikel.getGambar();
                Glide.with(context).load(image_uri).into(artikel_gambar);
            } catch (Exception ex) {
                Log.e("Connection", ex.getMessage());
                Glide.with(context).load(R.mipmap.ic_sad_black).into(artikel_gambar);
            }
        }
    }

}