优化

2023-02-27 12:23:41 +08:00
parent ef3d34c77e
commit de9af64338
1 changed files with 2 additions and 2 deletions
@@ -137,8 +137,8 @@ class BookshelfFragment1 : BaseBookshelfFragment(R.layout.fragment_bookshelf),
        override fun getItemPosition(`object`: Any): Int {
            val fragment = `object` as BooksFragment
            val position = fragment.position
-            val group = bookGroups[position]
-            if (fragment.groupId != group.groupId) {
+            val group = bookGroups.getOrNull(position)
+            if (fragment.groupId != group?.groupId) {
                return POSITION_NONE
            }
            return POSITION_UNCHANGED