This tag should be used only on questions that are about Objective-C features or depend on code in the language.
Is there any way to split strings in objective c into arrays? I mean like this - input string Yes:0:42:…
iphone objective-c function splitHow can I change inactive icon/text color on iOS 7 tab bar? The one in gray color.
ios objective-c uitabbarcontroller uitabbar uitabbaritemI have a UICollectionView and it works fine, but I want to add a few UICollectionViewCells items programmatically into the …
ios objective-c collectionviewHow can we check if a string is made up of numbers only. I am taking out a substring from …
iphone objective-c cocoa-touch ios nsstringI need to know about the usage of delegate methods in Objective-C. Can anyone point me to the correct source?
objective-c cocoa-touch delegatesI'm currently working with the mapkit and am stuck. I have a custom annotation view I am using, and I …
ios objective-c mapkit mkmapview mkannotationviewI tested out some isa swizzling with Swift, and found that it only works when NSObject is a super-class (directly …
objective-c swift objective-c-runtimeI am trying to compile and run a simple tutorial for an Objective C app using Interface Builder. I am …
ios objective-c xcode4 xib sigabrtI followed this thread, but the method didRegisterForRemoteNotificationsWithDeviceToken is still not called : the documentation says : After you call the registerForRemoteNotifications …
ios objective-c apple-push-notifications ios13In my project I must control action of 40 buttons, but I don't want to create 40 IBAction, can I use only …
ios objective-c ibaction