swift
SwiftUI EXC_BAD_ACCESS from deallocated ObservableObject
SwiftUI.*Thread.*Crash.*EXC_BAD_ACCESS.*ObservableObject
Fixes
- 1.Hold a strong reference to the ObservableObject in the view hierarchy
- 2.Use @StateObject (not @ObservedObject) for objects the view owns
- 3.Ensure object isn't deallocated while async work references it
iosswiftuimemory
Related Errors
swift3 fixes
SwiftUI preview crash
SwiftUI.*Previews.*crashed.*The preview process was terminated
- •Clean build folder: Cmd+Shift+K, then rebuild
- •Check for force-unwrapped optionals or fatalError in preview code
swift3 fixes
Swift Combine publisher cancelled unexpectedly
Swift.*Combine.*Cancelled.*sink received completion.*failure
- •Store the AnyCancellable in a Set to prevent premature deallocation
- •Use .store(in: &cancellables) to retain the subscription
swift3 fixes
Core Data model incompatible with persistent store
CoreData.*NSInternalInconsistencyException.*model.*incompatible.*store
- •Add a migration mapping model for schema changes
- •Use lightweight migration: addPersistentStore with NSMigratePersistentStoresAutomaticallyOption