This tag should be used only on questions that are about Objective-C features or depend on code in the language.
I have to create a custom UIView that will have round corners, a border, a shadow and its drawRect() method …
ios objective-c uiview swift drawrectUITableView set to static cells. Is it possible to hide some of the cells programmatically?
ios objective-c uitableviewI have a UIView which is placed on the screen via several constraints. Some of the constraints are owned by …
ios objective-c uiview constraints autolayoutI am wondering how my iPhone app can take a screen shot of a specific UIView as a UIImage. I …
ios objective-c uiview screenshotI got the opposite issue from here. By default in iOS7, back swipe gesture of UINavigationController's stack could pop the …
ios objective-c uinavigationcontroller uinavigationbar uinavigationitemI am getting EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0) on dispatch_semaphore_dispose but don't really know …
ios objective-c exception grand-central-dispatchI've been trying to get rid of the white spaces in an NSString, but none of the methods I've tried …
objective-c string cocoa nsstringWhat is the purpose of #pragma marks in Xcode? Does their location in .m files matter? Should some #pragma come …
objective-c xcode pragmaI want to display a string like this in a UILabel: There are 5 results. Where the number 5 is red in …
ios objective-c swift uilabel textcolorIs there a way to determine how much time a method needs to execute (in milliseconds)?
ios objective-c optimization time