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[iOS] Fix CollectionView crash in iOS 9 #14925

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Nov 25, 2021
Merged

[iOS] Fix CollectionView crash in iOS 9 #14925

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11 changes: 9 additions & 2 deletions Xamarin.Forms.Platform.iOS/CollectionView/ItemsViewController.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -485,14 +485,21 @@ void UpdateEmptyViewVisibility(bool isEmpty)
}
}

void AlignEmptyView()
void AlignEmptyView()
{
if (_emptyUIView == null)
{
return;
}

if (CollectionView.EffectiveUserInterfaceLayoutDirection == UIUserInterfaceLayoutDirection.RightToLeft)
bool isRtl;

if (Forms.IsiOS10OrNewer)
isRtl = CollectionView.EffectiveUserInterfaceLayoutDirection == UIUserInterfaceLayoutDirection.RightToLeft;
else
isRtl = CollectionView.SemanticContentAttribute == UISemanticContentAttribute.ForceRightToLeft;

if (isRtl)
{
if (_emptyUIView.Transform.xx == -1)
{
Expand Down