RecyclerView single and double click listener on items of a RecyclerView.

ItemClickSupport.java

/**
 * Created by Hugo Visser.
 * Please see http://www.littlerobots.nl/blog/Handle-Android-RecyclerView-Clicks/
 *
 * Modified by Filippo Beraldo:
 * - Added OnDoubleClickListener in place of the standard OnClickListener.
 */

public class ItemClickSupport {
    private final RecyclerView mRecyclerView;
    private OnItemClickListener mOnItemClickListener;
    private OnDoubleClickListener mOnDoubleClickListener = new OnDoubleClickListener() {
        @Override
        public void onDoubleClick(View v) {
            if (mOnItemClickListener != null) {
                RecyclerView.ViewHolder holder = mRecyclerView.getChildViewHolder(v);
                mOnItemClickListener.onItemDoubleClicked(mRecyclerView, holder.getAdapterPosition(), v);
            }
        }

        @Override
        public void onSingleClick(View v) {
            if (mOnItemClickListener != null) {
                RecyclerView.ViewHolder holder = mRecyclerView.getChildViewHolder(v);
                mOnItemClickListener.onItemClicked(mRecyclerView, holder.getAdapterPosition(), v);
            }
        }
    };

    private RecyclerView.OnChildAttachStateChangeListener mAttachListener
            = new RecyclerView.OnChildAttachStateChangeListener() {
        @Override
        public void onChildViewAttachedToWindow(View view) {
            if (mOnItemClickListener != null) {
                view.setOnClickListener(mOnDoubleClickListener);
            }
        }

        @Override
        public void onChildViewDetachedFromWindow(View view) {

        }
    };

    private ItemClickSupport(RecyclerView recyclerView) {
        mRecyclerView = recyclerView;
        mRecyclerView.setTag(R.id.item_click_support, this);
        mRecyclerView.addOnChildAttachStateChangeListener(mAttachListener);
    }

    public static ItemClickSupport addTo(RecyclerView view) {
        ItemClickSupport support = (ItemClickSupport) view.getTag(R.id.item_click_support);
        if (support == null) {
            support = new ItemClickSupport(view);
        }
        return support;
    }

    public static ItemClickSupport removeFrom(RecyclerView view) {
        ItemClickSupport support = (ItemClickSupport) view.getTag(R.id.item_click_support);
        if (support != null) {
            support.detach(view);
        }
        return support;
    }

    public ItemClickSupport setOnItemClickListener(OnItemClickListener listener) {
        mOnItemClickListener = listener;
        return this;
    }

    private void detach(RecyclerView view) {
        view.removeOnChildAttachStateChangeListener(mAttachListener);
        view.setTag(R.id.item_click_support, null);
    }

    public interface OnItemClickListener {
        void onItemClicked(RecyclerView recyclerView, int position, View v);
        void onItemDoubleClicked(RecyclerView recyclerView, int position, View v);
    }
}

MyFragment.java

@Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.grid, container, false);

        mRecyclerView = (RecyclerView) rootView.findViewById(R.id.recyclerView);
        mRecyclerView.setHasFixedSize(true);
        mRecyclerView.setLayoutManager(new GridLayoutManager(getActivity(),
                2, GridLayoutManager.VERTICAL, false));

      // Make sure your recyler view adapter implements getItemAt(position), which return the item from the dataset placed at position
      // in this case I use getProductId() from my POJO Product class
      
        ItemClickSupport.addTo(mRecyclerView)
                .setOnItemClickListener(new ItemClickSupport.OnItemClickListener() {
                    @Override
                    public void onItemClicked(RecyclerView recyclerView, int position, View v) {
                        Log.d("ITEM CLICK", "Item single clicked " + mRecyclerViewAdapter.getItemAt(position).getProductId());
                    }

                    @Override
                    public void onItemDoubleClicked(RecyclerView recyclerView, int position, View v) {
                        Log.d("ITEM CLICK", "Item double clicked " + mRecyclerViewAdapter.getItemAt(position).getProductId());
                    }
                });

        return rootView;
    }

OnDoubleClickListener.java

/**
 * Wire
 * Copyright (C) 2016 Wire Swiss GmbH
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Please see 
 * https://github.com/wireapp/wire-android/blob/master/wire-ui/src/main/java/com/waz/zclient/ui/views/OnDoubleClickListener.java
 */

import android.os.Handler;
import android.os.Looper;
import android.view.View;
import android.view.ViewConfiguration;

/**
 * Doesn't care about which view is clicked, so should only be used for a single View.
 *
 * Modified by Filippo Beraldo on 02/02/17:
 * - Added the ability to pass the View v when the click event occurs.
 */
public abstract class OnDoubleClickListener implements View.OnClickListener {
    private final int doubleClickTimeout;
    private Handler handler;

    private long firstClickTime;

    public OnDoubleClickListener() {
        doubleClickTimeout = ViewConfiguration.getDoubleTapTimeout();
        firstClickTime = 0L;
        handler = new Handler(Looper.getMainLooper());
    }

    @Override
    public void onClick(final View v) {
        long now = System.currentTimeMillis();

        if (now - firstClickTime < doubleClickTimeout) {
            handler.removeCallbacksAndMessages(null);
            firstClickTime = 0L;
            onDoubleClick(v);
        } else {
            firstClickTime = now;
            handler.postDelayed(new Runnable() {
                @Override
                public void run() {
                    onSingleClick(v);
                    firstClickTime = 0L;
                }
            }, doubleClickTimeout);
        }
    }

    public abstract void onDoubleClick(View v);

    public abstract void onSingleClick(View v);

    public void reset() {
        handler.removeCallbacksAndMessages(null);
    }
}