notifyDataSetChanged

JD Retail Technology

May 18, 2020 · Mobile Development

Resolving List Reordering and Top Blank Space Issues in Android StaggeredGridLayoutManager

This article analyzes why StaggeredGridLayoutManager can cause item reordering and blank gaps at the top of a RecyclerView, explains the underlying measurement and layout mechanisms, and presents code‑level solutions such as disabling gap handling, invalidating span assignments, and using notifyItemRangeChanged instead of notifyDataSetChanged.