chadbag

chadbag has asked 16 questions and find answers to 7 problems.

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About

Been doing OpenStep / Cocoa / ObjC based WebObjects / Cocoa Touch (as appropriate) since 1996. Now working mostly on iOS and iPadOS with Swift, with some Cocoa on macOS.

chadbag questions

NSFetchedResultsController feeding table view while background update of same persistent store causes deadlock
app is asking for AppleID when being run
iOS SpriteKit: applyForce to physics body totally different effect depending on device model
iOS: EKEventStore sources / defaultCalendarForNewEvents / calendarsForEntityType all return nothing AFTER authorization
iOS in-app purchase item not returned in products but only in invalidProductIdentifiers in sandbox. How to debug?
iOS 7: modal view controller status bar is wrong color but normal view controllers are correct
super respondsToSelector: returns true but actually calling super (selector) gives "unrecognized selector sent to instance"

chadbag answers

Apple Push Notification Collapse Key Equivalent
iphone CLLocationmanager Region monitoring callbacks not triggered
UISplitViewController EXC_BAD_ACCESS on rotation using ARC
iOS: EKEventStore sources / defaultCalendarForNewEvents / calendarsForEntityType all return nothing AFTER authorization
Why separate Voip certificate is required for Pushkit when APNS Universal Client SSL Certificate has been introduced?
How to correctly manage the NSManagedObjectContext in each view controller?