[Bug] CollectionView HorizontalItemSpacing unexpected layout

[VladislavAntonyuk]

Description

Steps to Reproduce

1. Create collection view
2. Add ItemLayout

			<CollectionView.ItemsLayout>
				<GridItemsLayout Orientation="Vertical"
				                 HorizontalItemSpacing="50"
                                                 VerticalItemSpacing="10">
					<GridItemsLayout.Span>
						<OnIdiom
							x:TypeArguments="x:Int32"
							Default="2"
							Tablet="4"
							Desktop="6"/>
					</GridItemsLayout.Span>
				</GridItemsLayout>
			</CollectionView.ItemsLayout>

Expected Behavior

all columns have the same width

Actual Behavior

The first column and the second column has different width

Basic Information

• Version with issue: 5.0.1-nightly
• Platform Target Frameworks:
  • Android: Android SDK 30

Screenshots

Reproduction Link

Workaround

[rmarinho]

Seems to work fine on iOS ,but we see the issue on Android.

[VladislavAntonyuk]

I am not sure if it is related on not, but I also see on Android, the last item has invalid height:

[Zure1]

@VladislavAntonyuk This is not related and has been fixed for Xamarin.Forms 5.0: #10624

[ThanhNg]

Sorry but any updates or work-around for this?

[chaoyebugao]

Same problem....

[kiaser]

same problem