ghost
commented
1 year ago We've added this issue to our backlog, and we will work to address it as time and resources allow. If you have any additional information or questions about this issue, please leave a comment. For additional info about issue management, please read our Triage Process.
Zhanglirong-Winnie
Description
If you have a CollectionView with an item within it with a height of
0, the rest of the items no longer render, breaking the view.I have a list of boxes that grow in size in my reproduction sample. The first item starts with 0. It works on Android and Windows, but on iOS and Catalyst, it fails to render unless the item has at least a height of 1.
While my example is extreme, I think it can happen in practice. If you have a collectionview template without a defined height, you could hit this issue. For example, if you have an image that loads dynamically. If no images load before the view loads, the effective height is zero, which would break the view.
e. I also checked against net8 preview 6, and it's broken there as well, same issue.
Steps to Reproduce
CollectionIncreaseBoxSizePageis the page set to run at startup.You should see:
But you'll actually see.
Link to public reproduction project repository
https://github.com/drasticactions/UIBenchmarks/commit/d0cffc2363cb853da8ae9f3985174a2d33a79a90
Version with bug
7.0.49
Last version that worked well
Unknown/Other
Affected platforms
iOS, macOS
Affected platform versions
Current versions of iOS/Catalyst.
Did you find any workaround?
Make sure that the DataTemplate within the CollectionView has at least a height of 1. You can do this by setting whatever the container is to have
MinimumHeightRequest="1"Relevant log output
No response