[NUI] add null check in collectionview
authorEverLEEst(SangHyeon Lee) <sh10233.lee@samsung.com>
Tue, 9 Nov 2021 06:39:15 +0000 (15:39 +0900)
committerdongsug-song <35130733+dongsug-song@users.noreply.github.com>
Thu, 11 Nov 2021 06:23:09 +0000 (15:23 +0900)
commite7e008af5e6153d2e83d208b4807e7a1145282a9
treee94be5296495f2fba65296c5b7eb202331f569c5
parent2359cee20e9066ac62b7188157efde90062bc13b
[NUI] add null check in collectionview

null value is abnormal in collectionview,
but adding null value check for code management.
src/Tizen.NUI.Components/Controls/RecyclerView/CollectionView.cs
src/Tizen.NUI.Components/Controls/RecyclerView/Item/RecyclerViewItem.Internal.cs
src/Tizen.NUI.Components/Controls/RecyclerView/Item/RecyclerViewItem.cs