Xcode Previews doesn't work when used in a package that imports other packages.

UI Frameworks SwiftUI Swift Packages Xcode Xcode Previews SwiftUI

iamlogiq OP

Created Jun ’20

Replies 33

Boosts 20

Views 20k

Participants 38

I keep getting a Xcode Previews error in Xcode 12 from a package that imports other packages. As soon as I remove the dependency I'm able to see the SwiftUI preview. I'm only able to use previews in packages that have no dependencies

The error I get is: "LoadingError: failed to load library at path...Library not loaded " then it point to the dependency that it could not load in the current package.

How can I access Xcode Previews from a package that depends on other packages?

Answered by Developer Tools Engineer in 622246022

Hi,

Sorry to hear you are having problems. We have a received a feedback tracking this same issue, and we are actively investigating it. So far no known workaround.

Boost

sargisfromararat OP

Mar ’24

Change Build configuration from Release to Debug

kevin-sv OP

Apr ’24

Still see this on Xcode 15.3 with imports of a local package. After commenting out the dependencies (both in the View code and the #preview) and removing the #import the #preview starts working again. For now, my only alternative is to put the local package code into the main project. Hopefully a solution will be available before I use the package in another app.

ERenschHG OP

Still have the same issues in Xcode 16.2!