This tag should be used only on questions that are about Objective-C features or depend on code in the language.
I have an UIView and I set a background image in this way: self.view.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"…
iphone objective-c uiview backgroundFirst, I'm not sure I really understand what a selector is. From my understanding, it's the name of a method, …
objective-c selectorThere are several examples of the UIPanGestureRecognizer class. For example I have read this and I am still not able …
iphone objective-c ipad dragI'm approaching iOS development and I'd like to have one of my first applications to perform a HTTP POST request. …
iphone objective-c iosAs the question states, I would mainly like to know whether or not my code is running in the simulator, …
ios objective-c swift xcode ios-simulatorI am developing exclusively for iOS 5 using ARC. Should IBOutlets to UIViews (and subclasses) be strong or weak? The following: @…
ios objective-c cocoa-touch interface-builder automatic-ref-countingI know NSDictionaries as something where you need a key in order to get a value. But how can I …
ios objective-c foreach iteration nsdictionaryI'm using a UITableView to layout content 'pages'. I'm using the headers of the table view to layout certain images …
ios objective-c iphone cocoa-touch uikitI can't seem to modify the font size of a UILabel with the following code: itemTitle.font = [UIFont systemFontOfSize:25]; As …
objective-c iphone fonts uilabel font-sizefirst of all, I know there is only support for voip, audio and location apps to run in background and …
iphone objective-c ios4 background-process keep-alive