RecyclerAdapter to simplify adapting recyclerView

ListClick.java

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;

public class ListClick implements RecyclerView.OnItemTouchListener {
    private GestureDetector gestureDetector;
    private ClickListener clickListener;

    public ListClick(Context context, final RecyclerView recyclerView, final ClickListener clickListener) {
        this.clickListener = clickListener;
        gestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
            @Override
            public boolean onSingleTapUp(MotionEvent e) {
                return true;
            }

            @Override
            public void onLongPress(MotionEvent e) {
                View child = recyclerView.findChildViewUnder(e.getX(), e.getY());
                if (child != null && clickListener != null) {
                    clickListener.onLongClick(child, recyclerView.getChildAdapterPosition(child)); // in case of deprication: use getChildAdapterPosition
                }
            }
        });
    }
    @Override
    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {

        View child = rv.findChildViewUnder(e.getX(), e.getY());
        if (child != null && clickListener != null && gestureDetector.onTouchEvent(e)) {
            clickListener.onClick(child, rv.getChildAdapterPosition(child)); // in case of deprication: use getChildAdapterPosition
        }
        return false;
    }

    @Override
    public void onTouchEvent(RecyclerView rv, MotionEvent e) {
    }

    @Override
    public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {

    }



    public interface ClickListener {
        void onClick(View view, int position);

		/**
		* to Add support for extension methods you must use Java 8 or above
		* to do that Add this block to `build.gradle(Module: your module like app)` inside android block 
			compileOptions {
				targetCompatibility 1.8
				sourceCompatibility 1.8
			}
		* This feature makes onLongClick optional
		*/
        default void onLongClick(View view, int position) {}	
    }
}

ListConfig.java

import android.content.Context;
import android.content.res.Resources;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import java.util.List;

public class ListConfig<T> {

    private Context c;
    private List<T> set;
    private RecyclerView list;
    private int resLayout = 0;
    private RecyclerView.LayoutManager layoutManager;
    private ListClick.ClickListener onClick;
    private BindHolder<T> bindHolder;
    private CreateViewHolder createViewHolder = null;

    public ListConfig(Context c) {
        this.c = c;
    }

    public ListConfig<T> with(List<T> set) {
        if (set == null) throw new NullPointerException("List of data can not be null");
        else this.set = set;
        return this;
    }

    public ListConfig<T> resLayout(int layout) {
        this.resLayout = layout;
        return this;
    }

    public ListConfig<T> layoutManager(RecyclerView.LayoutManager layoutManager) {
        if (layoutManager == null) throw new NullPointerException("If you want to use default, Don't invoke this function.");
        this.layoutManager = layoutManager;
        return this;
    }

    public ListConfig<T> onBindViewHolder(BindHolder<T> onBind) {
        bindHolder = onBind;
        return this;
    }

    public ListConfig<T> onClick(ListClick.ClickListener listener) {
        onClick = listener;
        return this;
    }

    /**
    * OnCreateView holder can be customized here. This is optional
    */
    public ListConfig<T> setOnCreateViewHolder(CreateViewHolder onCreateViewHolder) {
        this.createViewHolder = onCreateViewHolder;
        return this;
    }



    public void into(RecyclerView list) {
        this.list = list;
        list.setLayoutManager(layoutManager == null ? new LinearLayoutManager(c) : layoutManager);
        list.setHasFixedSize(true);
        list.setAdapter(new Adapter(set, resLayout, bindHolder, createViewHolder));
        list.addOnItemTouchListener(new ListClick(c, list, onClick));
    }

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

    public class Adapter extends RecyclerView.Adapter<VH> {

        private List<T> set;
        private int resLayout;
        private BindHolder<T> bindHolder;
        private CreateViewHolder createViewHolder = null;

        public Adapter(List<T> set, int resLayout, BindHolder<T> bindHolder, CreateViewHolder createViewHolder) {
            this.set = set;
            this.resLayout = resLayout;
            this.bindHolder = bindHolder;
            this.createViewHolder = createViewHolder;
        }

        @Override
        public VH onCreateViewHolder(ViewGroup parent, int viewType) {
            if (createViewHolder == null) {
                if (resLayout == 0) throw new Resources.NotFoundException("You have not passed the resource or correct resource.");
                View v = LayoutInflater.from(parent.getContext()).inflate(resLayout, parent, false);
                return new VH(v);
            } else {
                return createViewHolder.onCreateViewHolder(parent, viewType);
            }
        }

        @Override
        public void onBindViewHolder(VH holder, int position) {
            bindHolder.onBind(holder, set.get(position), position);
        }

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

    //Interfaces
    public interface BindHolder<T> {
        void onBind(VH holder, T item, int position);
    }

    public interface CreateViewHolder {
        VH onCreateViewHolder(ViewGroup parent, int viewType);
    }

}

Usage.java

new ListConfig<Datum>(context) //pass Context and Generic can be anything
    .with(set) // List of <Datum>
    .resLayout(R.layout.layout) // Resource layout
    .layoutManager(new GridLayouManager(context, 2)) // Optional: default is LinearLayoutManager
    .onBindViewHolder((holder, item, position) -> { // what happens in onBindViewHolder and also in ViewHolder
        // Also item is `set.get(position)`
        TextView title = holder.itemView.findViewById(R.id.name); // Create and instantiate your views here using itemView of holder
        title.setText(item.getName());
        title.setTextColor(color);
        TextView model = holder.itemView.findViewById(R.id.model);
        model.setText(item.getModel());
        /* Assume you have a Datum class that has name and model (For example) */
    })
    .onClick((view, position) -> { // onClick - Optional: OnLongClick is also available
        Toast.makeText(getActivity(), "Item clicked!", Toast.LENGTH_SHORT).show();
    })
    .into(list); // must be invoked at the end of chain (returns void) - Others can be moved in order