RecyclerView条目的点击事件

public class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
    private List<GoodsBean.GoodsListBean> list;
    private Context context;
    //2、定义一个属性
    private OnItemClickListener onItemClickListener;

    //1、接口回调第一步，先定义一个接口
    public interface OnItemClickListener {
        public void onItemClick(int a);
    }

    //3、定义一个方法
    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }

    public MyAdapter(List<GoodsBean.GoodsListBean> list, Context context) {
        this.list = list;
        this.context = context;
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(context).inflate(R.layout.item,parent,false);
        return new MyViewHolder(view);
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
        MyViewHolder my = (MyViewHolder) holder;
        Uri uri = Uri.parse(list.get(position).getImage_url()+"");
        my.img.setImageURI(uri);
        my.tv_01.setText(list.get(position).getGoods_name());
        my.tv_02.setText("￥"+list.get(position).getGroup().getPrice()+"");
        my.ll.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onItemClickListener.onItemClick(list.get(position).getGoods_id());
            }
        });
    }


    @Override
    public int getItemCount() {
        return list.size();
    }
    class MyViewHolder extends RecyclerView.ViewHolder{

        private final SimpleDraweeView img;
        private final TextView tv_01;
        private final TextView tv_02;
        private LinearLayout ll;

        public MyViewHolder(View itemView) {
            super(itemView);
            img = itemView.findViewById(R.id.img);
            tv_01 = itemView.findViewById(R.id.tv_01);
            tv_02 = itemView.findViewById(R.id.tv_02);
            ll = itemView.findViewById(R.id.ll);
        }
    }
}