android: how to setSelection the spinner from recyclerview

问题

I have Spinner and a RecyclerView. I could scroll the recyclerview from the spinners setOnItemSelectedListener by mLayoutManager.scrollToPosition(position);

But how to achieve the reverse. If i scroll the RecyclerView I want the spinner also change. I dont have access to spinner.setSelection within the recyclerviewer.

来源：https://stackoverflow.com/questions/48062571/android-how-to-setselection-the-spinner-from-recyclerview