This tag should be used only on questions that are about Objective-C features or depend on code in the language.
I was wondering how I can format the textField that I'm using for a phone number (ie like the "Add …
iphone objective-c cocoa-touch iphone-sdk-3.0I'm doing the Facebook integration tutorial, I want to show my MainViewViewController if the user has a valid token for …
objective-c xcode facebook ios6 appdelegateI watched a video with xcode 3, that shows a button "Design" that displays a UML diagram, but I can't find …
objective-c ios4 xcode4 uml xcode3to4What is the difference between a protocol and a delegate? and, How can we declare variables in a protocol class?
ios objective-c delegates protocolsWe are using a UICollectionView to display cell that cover the full screen (minus the status and nav bar). The …
ios objective-c uicollectionview uicollectionviewlayoutI have to set autoresizingMask programmatically for UIView. I don't know how to implement this.
iphone objective-c ios uiview autoresizingmaskDoes anybody know of a way to customize the appearance of the string based UISegmentedControl? I am trying to set …
ios objective-c uisegmentedcontrolA while ago I asked a question about square detection and karlphillip came up with a decent result. Now I …
c++ objective-c opencv image-processing object-detectionI have a NSPredicate like this: NSPredicate *predicate = [NSPredicate predicateWithFormat:@"entity.name CONTAINS %@", myString]; But that will return anything which …
objective-c ios core-data nsstring nspredicateI'm making an app, and I have a class with quite a lot properties and I was wondering if it …
objective-c properties default-value