CODEWITHSUNDEEP
swiftuiswift-package-manager
swalkner
swalkner

Reputation: 17329

SwiftUI preview not working when including view with asset from other SPM module

In my project, I use multiple SPM to split up my app into smaller chunks/modules. This works perfect, including SwiftUI previews which can include views from other modules as well.

Unless there are Images involved; then the preview agent crashes. I created a small Pot showing this... https://github.com/arkulpa/SPMAssetPOC

Images are shown correctly as long as the preview only contains views with assets from the current SPM, but as soon as there's a view (including an asset) from another SPM, the PreviewAgent crashes...

enter image description here

Upvotes: 1

Views: 1879

Answers (1)

Tom GODDARD
Tom GODDARD

Reputation: 711

This is definitely a bug. The issue is related to loading bundle resources transitively.

"This is a known issue when using resources of transitive dependencies while previewing a standalone package. Using an app as the preview host as you are doing is the recommended workaround at the moment."

See the Swift forums here for more details: https://forums.swift.org/t/xcode-previews-swiftpm-resources-xcpreviewagent-crashed/51680

Upvotes: 1

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