等recyclerview 加载完毕就点击第一个条目

Posted 2023-03-09 安果移不动

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()
    
)