Check if first item size == 0

Change-Id: I41acffad84d9db1cf407f77b04530643933f98bf
2 years ago · 2dba522663
parent bdf3ee3cb0
commit 2dba522663
1 changed files with 4 additions and 1 deletions
--- a/core/designsystem/src/main/java/com/google/samples/apps/nowinandroid/core/designsystem/component/scrollbar/LazyScrollbarUtilities.kt
+++ b/core/designsystem/src/main/java/com/google/samples/apps/nowinandroid/core/designsystem/component/scrollbar/LazyScrollbarUtilities.kt
@ -116,8 +116,11 @@ internal inline fun <LazyState : ScrollableState, LazyStateItem> LazyState.inter

    if (firstItemIndex < 0) return Float.NaN

+    val firstItemSize = itemSize(firstItem)
+    if (firstItemSize == 0) return Float.NaN
+
    val itemOffset = offset(firstItem).toFloat()
-    val offsetPercentage = abs(itemOffset) / itemSize(firstItem)
+    val offsetPercentage = abs(itemOffset) / firstItemSize

    val nextItem = nextItemOnMainAxis(firstItem) ?: return firstItemIndex + offsetPercentage