android - Clicking on item programmatically in RecyclerView

Question

I am loading a list of categories and depending on which is selected, I need to show the products of the corresponding category in the RecyclerView. So when I first start the Fragment I need to simulate the user clicking in a default category - in this case, it would be the first one.

How can I perform this?

Answer 1

Without your code we don't know how you implement your onClickListener.

Normally, you implement and set the item onClickListener in the viewHolder of your RecyclerView.Adapter.
For example: ViewHolder.itemView.setOnClickListener(listener);

So the solution is you can use recyclerView.findViewHolderForAdapterPosition(0).itemView.performClick()

PS: Do not use findViewHolderForLayoutPosition() according to the Doc