recyclerView.addOnLayoutChangeListener(object : View.OnLayoutChangeListener {
    override fun onLayoutChange(
        v: View?,
        left: Int,
        top: Int,
        right: Int,
        bottom: Int,
        oldLeft: Int,
        oldTop: Int,
        oldRight: Int,
        oldBottom: Int
    ) {
        // 当RecyclerView加载完毕时，移除监听器并自动点击第一个item
        recyclerView.removeOnLayoutChangeListener(this)
        recyclerView.findViewHolderForAdapterPosition(0)?.itemView?.performClick()
    }
})