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One way to detect when a Kotlin RecyclerView has finished scrolling is to implement the addOnScrollListener method on the RecyclerView and listen for the onScrollStateChanged event. In this event, you can check if the newState is equal to SCROLL_STATE_IDLE, which indicates that the scrolling has ended.

Here's an example code snippet:

recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
    override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
        super.onScrollStateChanged(recyclerView, newState)
        if (newState == RecyclerView.SCROLL_STATE_IDLE) {
            // The scrolling has ended
        }
    }
})