SubViews disappear in Interface Builder

Question

Ok so this is really weird. I don't use interface builder anymore because of all of it's quirks like this one, but I am working on an old project I did. When I go to interface builder all of the Subviews are not visible, and they're opaque in the document outline. See photo below.

When the app runs, it works fine. There is also a problem when compressing the project to a zip file, an error occurs. Anyone know how to fix this?

Answer 1

您应该在此处检查size类，我认为您的旧项目是针对size类构建的，您可以在另一个