I need to execute the method after rendering the recyclerview how to do it?

Question

Android

In the adapter's onBindViewHolder method, the FAB is added to the list. After you need to find this FAB and execute its clicklistener, and animate it into invisible. PS I have a media player and when the screen is rotated, it gets lost and the position, title is saved in the onSaveInstanceState method. But when I find that FAB in onCreate, onBind is executed after onCreate and an error occurs that the sheet size is 0, and I'm looking for 1