This tag should be used only on questions that are about Objective-C features or depend on code in the language.
Only my second time using UICollectionView's and perhaps I have bitten off more than I can chew but nevertheless: I …
ios objective-c uicollectionviewWhat is a "delegate" in Objective C's iPhone development?
ios iphone objective-c delegates uiapplicationdelegateIs it possible to specify a method block parameter in Objective-C without using a typedef? It must be, like function …
objective-c parameters objective-c-blocksI have a big problem with my iOS App: it crashes sometimes without detailed debug error. The stack trace is …
ios objective-c c crash mallocI need to invoke an initial GET HTTP request with Basic Authentication. This would be the first time the request …
ios iphone objective-c nsurlconnectionIn a certain (consistent) point when my app is running, I consistently get the xcode error message Terminated due to …
ios objective-c memory-management automatic-ref-countingHow do you return a multiline text CGSize from the new iOS 7 method sizeWithAttributes? I would like this to produce …
objective-c ios7What is the difference between weak and strong property setter attributes in Objective-C? @property(retain, [weak/strong]) __attribute__((NSObject)) CFDictionaryRef …
iphone ios objective-c automatic-ref-countingIf I create a UITableViewController, for example via File → New Project... → iOS → Master-Detail Application in Xcode, a UITableView is created …
ios objective-c uitableview interface-builderI want to check if the app is running in the background. In: locationManagerDidUpdateLocation { if(app is runing in background){ …
ios objective-c uiapplicationdelegate application-lifecycle ios-background-mode