public class RecyclerViewClickListener implements RecyclerView.OnItemTouchListener {
    private int mLastDownX,mLastDownY;
    //該值記錄了最小滑動距離
    private int touchSlop ;
    private OnItemClickListener mListener;
    //是否是單擊事件
    private boolean isSingleTapUp = false;
    //是否是長按事件
    private boolean isLongPressUp 
 
= false;
    private boolean isMove = false;
    private long mDownTime;

    //內部介面，定義點選方法以及長按方法
    public interface OnItemClickListener {
        void onItemClick(View view, int position);

        void onItemLongClick(View view, int position);
    }

    public RecyclerViewClickListener(Context context, OnItemClickListener listener){
        touchSlop 
 
= ViewConfiguration.get(context).getScaledTouchSlop();
        mListener = listener;
    }
    @Override
    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
        int x = (int) e.getX();
        int y = (int) e.getY();
        switch (e.getAction()){
            /**
             *  
 
如果是ACTION_DOWN事件，那麼記錄當前按下的位置，
             *  記錄當前的系統時間。
             */
            case MotionEvent.ACTION_DOWN:
                mLastDownX = x;
                mLastDownY = y;
                mDownTime = System.currentTimeMillis();
                isMove = false;
                break;
            /**
             *  如果是ACTION_MOVE事件，此時根據TouchSlop判斷使用者在按下的時候是否滑動了，
             *  如果滑動了，那麼接下來將不處理點選事件
             */
            case MotionEvent.ACTION_MOVE:
                if(Math.abs(x - mLastDownX)>touchSlop || Math.abs(y - mLastDownY)>touchSlop){
                    isMove = true;
                }
                break;
            /**
             *  如果是ACTION_UP事件，那麼根據isMove標誌位來判斷是否需要處理點選事件；
             *  根據系統時間的差值來判斷是哪種事件，如果按下事件超過1ms，則認為是長按事件，
             *  否則是單擊事件。
             */
            case MotionEvent.ACTION_UP:
                if(isMove){
                    break;
                }
                if(System.currentTimeMillis()-mDownTime > 1000){
                    isLongPressUp = true;
                }else {
                    isSingleTapUp = true;
                }
                break;
        }
        if(isSingleTapUp ){
            //根據觸控座標來獲取childView
            View childView = rv.findChildViewUnder(e.getX(),e.getY());
            isSingleTapUp = false;
            if(childView != null){
                //回撥mListener#onItemClick方法
                mListener.onItemClick(childView,rv.getChildLayoutPosition(childView));
                return true;
            }
            return false;
        }
        if (isLongPressUp ){
            View childView = rv.findChildViewUnder(e.getX(),e.getY());
            isLongPressUp = false;
            if(childView != null){
                mListener.onItemLongClick(childView, rv.getChildLayoutPosition(childView));
                return true;
            }
            return false;
        }
        return false;
    }
    @Override
    public void onTouchEvent(RecyclerView rv, MotionEvent e) {

    }
    @Override
    public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {

    }
}

//點選監聽

mrecyclerview1.addOnItemTouchListener(new RecyclerViewClickListener(getActivity(), new RecyclerViewClickListener.OnItemClickListener() {
    @Override
    public void onItemClick(View view, int position) {
       
    }
    @Override
    public void onItemLongClick(View view, int position) {
    }
}));