This tag should be used only on questions that are about Objective-C features or depend on code in the language.
I am studying Objective-C and I came across this "for...in" statement. I searched for it but i still don't …
objective-c for-in-loopI'm working on a small iphone project and i would need to check if the userName entered only contains alphanumerical …
iphone objective-c string alphanumericI am reading an iOS dev book and in it saw a reference to a info.plist file used as …
objective-c xcode plistOur iOS application is for specific users. So, we used device unique identifier for user identification. This approach works fine …
ios iphone objective-c uniqueidentifierI have a GPS coordinate (latitude, longitude) and I quickly want to place a single pin on a MKMapView showing …
iphone objective-c cocoa-touch mkmapviewOk I want to add a UIImageView as a subview and then remove it after a couple of seconds in …
iphone objective-c ios uiimageview subviewiOS 7.1 UPDATE: Looks like the workaround for modifying the alpha channel in the UINavigationBar has been ignored in this update. …
ios objective-c uikit uinavigationbar ios7As a Java developer who is reading Apple's Objective-C 2.0 documentation: I wonder what "sending a message to nil" means - …
objective-cI know this might sound like a dumb question, but I have looked every where. How can I do this? …
objective-c ios4 uitableviewI have a method which should support being called from any queue, and should expect to. It runs some code …
iphone ios objective-c grand-central-dispatch dispatch