This tag should be used only on questions that are about Objective-C features or depend on code in the language.
I'm working through some exercises and have got a warning that states: Implicit conversion loses integer precision: 'NSUInteger' (aka 'unsigned …
objective-c compiler-warnings implicit-conversionI've just upgraded to XCode 4.5 GM and found out that you can now apply the '4" Retina' size to your …
iphone ios objective-c screen deviceI have an iOS project using CocoaPods. Everything was working smoothly until another developer started to work on the same …
objective-c ios cocoa build cocoapodsThis one has me stumped. Is it possible at all to change the background color of a UIButton in Cocoa …
objective-c iphone cocoa-touch uibuttonI'd like to convert an int to a NSString in Objective C. How can I do this?
objective-cI have an app that runs on the iPhone and iPod Touch, it can run on the Retina iPad and …
ios objective-c swift ipad deviceNow that iPhone 3.0 SDK is public, I think I can ask this question for those of you that have already …
ios objective-c iphone audio recordingMany classes in Cocoa/Cocoa Touch have the NS prefix. What does it mean?
ios objective-c cocoa cocoa-touchWhat is the appropriate way of dealing with large text files in Objective-C? Let's say I need to read each …
objective-c file-io nsstring enumerate nsstreamI'm all for language diversity, but Objective C is insane. So I'm curious: is it possible to code iPhone apps …
c++ iphone objective-c