This tag should be used only on questions that are about Objective-C features or depend on code in the language.
I saw the "new type" BOOL (YES, NO). I read that this type is almost like a char. For testing …
c objective-c types booleanI know that the presence of the more view controller (navigation bar) pushes down the UIView by its height. I …
ios objective-c swift uinavigationcontroller uinavigationbarI have an app where the UITableView's separator inset is set to custom values - Right 0, Left 0. This works perfectly …
ios objective-c swift uitableview ios8Does @synchronized not use "lock" and "unlock" to achieve mutual exclusion? How does it do lock/unlock then? The output …
objective-c synchronizationhttps://developer.apple.com/videos/wwdc/2015/?id=711 @5:55 I can't seem to be able to add this to my info.plist. …
ios objective-c xcode ios9In iOS 7 the UIStatusBar has been designed in a way that it merges with the view like this: (GUI designed …
ios objective-c ios7 statusbarMy singleton accessor method is usually some variant of: static MyClass *gInstance = NULL; + (MyClass *)instance { @synchronized(self) { if (gInstance == NULL) …
objective-c design-patterns singleton object-initializersHow do you remove the back button text. Current back button: < Back Desired back button: < AnythingElse None of …
ios objective-c swiftSo I have an NSArray "myArray" with NSNumbers and NSStrings. I need them in another UIView so i go like …
objective-c nsstring nsarray nsnumberI'm looking for a way to get a background location update every n minutes in my iOS application. I'm using …
ios objective-c core-location background-process