This tag should be used only on questions that are about Objective-C features or depend on code in the language.
I have a simple view (left side of the picture) and i need to create some kind of overlay (right …
ios objective-c calayer quartz-coreAm I correct in thinking that to change the checkmark for "on" to "off", I must change the CellAccessoryType between …
objective-c iphone tablecell checkmarkI'm currently developing an app for iPad. The development started for iOS 4.2 and is now continuing (and I think will …
objective-c ios5 automatic-ref-counting xcode4.2I would like to know how to parse a hex string, representing a number, in Objective-C. I am willing to …
iphone objective-c string parsing hexI need to detect when the device is in portrait orientation so that I can fire off a special animation. …
ios objective-c swift orientation uideviceI did search on how to check if NSDictionary key exists or not and came up with the solution. But …
iphone objective-c nsstring nsdictionaryThis question discusses encrypting data on the iPhone using the crypt() function. As an alternative, is there a keychain on …
iphone objective-c cocoa-touch keychainSo I have no experience with arrays... But I need to use one to populate a UIPickerView. I am obtaining …
objective-c arrays nsarray csvWith the following snippet, I'm adding a drop shadow effect to one my UIView. Which works pretty well. But as …
ios objective-c uiview calayerI have a project in Objective-C as well as in swift by taking MyProjectName-Bridging-Header.h and i also configured the …
ios objective-c swift xcode xcode9