api_uicontrols/com.tomtom.tools.android.api.uicontrols.recyclerview.group/ListGroupItemsCollection/getNumberOfItemsInGroupOrNull

getNumberOfItemsInGroupOrNull

open fun getNumberOfItemsInGroupOrNull(position: Int): Int?
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Returns number of items in the group at position, or null if item is not a group member. If there are group member items in the list, the list is treated as one large group.

Throws

when the position is not in itemsGroupInfo.