最近开始使用RecyclerView了。RecyclerView很是强大，不过官方不提供点击事件。

在网上找了一下实现方法，有的说在adapter里添加回调接口来实现点击事件与长按事件。 
不过经过测试，有时候会产生这样的现象：点击item跳转到下一个页面，再返回回来时， 
item的点击事件会失效。后来在Stack Overflow找到了新的方法。 
这里 贴上代码：

public class RecyclerItemClickListener implements RecyclerView.OnItemTouchListener {
         public interface OnItemClickListener {
             void onItemClick(View view, int position);        void onItemLongClick(View view, int position);    }    private OnItemClickListener mListener;    private GestureDetector mGestureDetector;    public RecyclerItemClickListener(Context context, final RecyclerView recyclerView, OnItemClickListener listener) {        mListener = listener;        mGestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {            @Override            public boolean onSingleTapUp(MotionEvent e) {                return true;            }            @Override            public void onLongPress(MotionEvent e) {                View childView = recyclerView.findChildViewUnder(e.getX(), e.getY());                if (childView != null && mListener != null) {                    mListener.onItemLongClick(childView, recyclerView.getChildAdapterPosition(childView));                }            }        });    }    @Override    public boolean onInterceptTouchEvent(RecyclerView view, MotionEvent e) {        View childView = view.findChildViewUnder(e.getX(), e.getY());        if (childView != null && mListener != null && mGestureDetector.onTouchEvent(e)) {            mListener.onItemClick(childView, view.getChildAdapterPosition(childView));        }        return false;    }    @Override    public void onTouchEvent(RecyclerView view, MotionEvent motionEvent) {    }    @Override    public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {    }}   
   
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然后在activity中添加事件即可

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