Groupie: Scroll to a certain Item in RecyclerView

[alvin-nt]

By following your example, I managed to create some expandable list, using RowHeader extends ExpandableItem and RowItem extends Item.

I am using Section to wrap every ExpandableGroup(RowHeader)

Let's say I have all references of the header in a Map, and I want to be able to scroll the recyclerView to a particular RowHeader.

My questions:

1. Is it better to store the ExpandableGroup or the RowHeader reference in the map?
2. How to scroll the RecyclerView to a particular RowHeader?

[lisawray]

You can hold a reference to either -- whatever you prefer!

If you hold a reference to the group, you can call:

val position = GroupAdapter.getAdapterPosition(group)

If you hold a reference to the header, you can call

val position = GroupAdapter.getAdapterPosition(item)

In either case, you can just use the position to scroll:

RecyclerView.smoothScrollToPosition(position)

[rup4kt43]

@lisawray can you help me on how to get the reference of the group ,I am facing some difficulties.

[Zhuinden]

You need to scroll to the position of the item 🤔