Effective Migration to Mac Catalyst
summary
Catalyst compiles an iPad UIKit codebase to run on macOS but requires fixes: missing frameworks like UIWebView and CoreTelephony cause compile or link failures, third‑party static libs need an annex II framework format or xcframeworks, and conditional compilation using targetEnvironment(.macCatalyst) is essential. Demonstrated tooling uses an NSPrincipalClass plugin loaded from bundle to call AppKit APIs (example: tiles window to right) and a working example is published in the Catalyst Playground repo; tested on Xcode beta 4 and functional with those caveats.
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chapters (5)
- 0:00Introduction to Catalyst
- 3:30Beyond the checkbox
- 6:56Mac patterns with UIKit
- 14:44Live demo with AppKit bundles
- 19:33Should you use Catalyst
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