<notifyDataSetChanged() is not working when observ...

# stackoverflow

[user]

notifyDataSetChanged() is not working when observer list update data
When i observe data from observer list notifyDataSetChanged() is not working help will appreciated
categoryModel.mainCategoryList.observe(requireActivity()) {
when (it.status) {
Status.SUCCESS -> {if (it.data?.statusCode == 200) {
viewBinding.shimmerViewContainer.visibility = View.GONE
viewBinding.shimmerViewContainer.stopShimmer()
categoryList = ArrayList()...