RecyclerView.OnItemClickListener

OnItemClickAdapter

package org.taosha.android.widget;

import android.support.v7.widget.RecyclerView;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;

/**
 * Created by San on 8/31/15.
 */
public class OnItemClickAdapter implements RecyclerView.OnItemTouchListener {
    private final OnItemClickListener mOnItemClickListener;
    private boolean mIsNotClick;
    private View mClickingChild;
    private boolean mDisallowIntercept;

    public OnItemClickAdapter(OnItemClickListener onItemClickListener) {
        this.mOnItemClickListener = onItemClickListener;
    }

    @Override
    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent ev) {
        int action = ev.getActionMasked();

        if (action != MotionEvent.ACTION_DOWN && mDisallowIntercept)
            return false;

        switch (action) {
            case MotionEvent.ACTION_UP: {
                if (!mIsNotClick && mClickingChild != null) {
                    performOnItemClick(rv, mClickingChild);
                }
                break;
            }
            case MotionEvent.ACTION_MOVE: {
                if (!mIsNotClick && mClickingChild != null) {
                    View child = rv.findChildViewUnder(ev.getX(), ev.getY());
                    if (child != mClickingChild) {
                        mIsNotClick = true;
                        mClickingChild.setPressed(false);
                    }
                }
                break;
            }
            case MotionEvent.ACTION_DOWN: {
                final View child = mClickingChild = rv.findChildViewUnder(ev.getX(), ev.getY());
                if (child != null) {
                    child.setPressed(true);
                    mIsNotClick = false;
                } else {
                    mIsNotClick = true;
                }
                mDisallowIntercept = false;
                break;
            }
        }
        return false;
    }

    private void performOnItemClick(RecyclerView rv, View child) {
        RecyclerView.ViewHolder vh = rv.getChildViewHolder(child);
        rv.post(() -> {
            mOnItemClickListener.onItemClick(rv, vh);
        });
    }

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

    }

    @Override
    public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {
        this.mDisallowIntercept = disallowIntercept;
    }

    public interface OnItemClickListener {
        void onItemClick(RecyclerView rv, RecyclerView.ViewHolder viewHolder);
    }
}