Fix crash related to AppDelegate #156
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eschramm
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Oct 9, 2025
eschramm
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LGTM - yikes, this makes me wonder how much we should be monitoring the main fork. It's frustrating that they make most of their updates in monster PRs with no documentation so it's hard to know what we should take.
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(To clarify, this was only causing crashes in the refactor branch of our app. So, no impact in production for us) |
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Several lines of ResearchKit v2 code get a UIWindow instance via the AppDelegate instance. This causes a crash in apps with a newer UIScene/SwiftUI lifecycle: the
[UIApplicationDelegate window]selector is not guaranteed to exist.Pulled in some recent updates to the main ResearchKit fork to implement this fix.
Testing
Launch basically any ResearchKit v2 survey, and ensure the app does not immediately crash.