android recycleview横向滑动

上图：

activity的代码：
/*
* 推荐关注的列表
* */

var recommendAdapter: RecommendAdapter? = null
var recommendBean = mutableListOf()

   var manager: LinearLayoutManager = LinearLayoutManager(mContext)
    manager.setOrientation(LinearLayoutManager.HORIZONTAL);
    rv_recommend.layoutManager = manager
    recommendAdapter = RecommendAdapter(arrayListOf())
    recommendAdapter?.bindToRecyclerView(rv_recommend)

/*

• 返回数据的回调，根据你自己的情况给adapter赋值
  */

override fun recommendList(mutableList: MutableList?) {
    recommendBean = mutableList!!
    recommendAdapter?.setNewData(mutableList)
}

item的布局：

bg_storke_white的代码：