This tag should be used only on questions that are about Objective-C features or depend on code in the language.
I'm getting an error Variable is not assignable (missing __block type specifier) on the line aPerson = participant;. How can I …
objective-c compiler-errors objective-c-blocksI just upgraded my iPhone 5 iOS 7 to four beta version. Now when I run my app from Xcode 5 on this …
objective-c statusbar ios7On iPhone NSLocalizedString returns the string in the language of the iPhone. Is it possible to force NSLocalizedString to use …
ios objective-c localization internationalization nslocalizedstringI am using UICollectionView first time in my iPad application. I have set UICollectionView such that its size and cell …
ios objective-c ipad uicollectionviewI know that a lot people already asked tons of questions about this, but even with the answers I can't …
objective-c ios constraints autolayoutHey all. I'm still pretty new to iPhone development, and I'm having a bit of trouble figuring out how to …
iphone objective-c uinavigationcontroller uinavigationbar uinavigationitemHow do I test whether an object is an instance of a particular class in Objective-C? Let's say I want …
objective-cI am trying to achieve a dropBox sync and need to compare the dates of two files. One is on …
iphone objective-c cocoa-touch nsdateI have a UIView inside a UIViewm and I want the inner UIView to be always centered inside the outer …
iphone objective-c ios ipadMaybe this is obvious, but I don't know how to declare class properties in Objective-C. I need to cache per-class …
objective-c cocoa oop