This tag should be used only on questions that are about Objective-C features or depend on code in the language.
I am trying to get a string name of a class from the class object itself. // For instance [NSArray className]; // @"…
objective-c reflection metaprogramming objective-c-runtimeI have a view which has dynamic height and I am trying to change this view height priority in run …
ios objective-c autolayout constraintsI need to generate HMAC-SHA1 in Objective C. But i didnt find anything that works. I tried with CommonCrypto, using …
c objective-c sha1 hmacI have Constants NSString, that I want to call like: [newString isEqualToString:CONSTANT_STRING]; Any wrong code here? I got …
objective-c nsstring warnings constantsHow to make this complex animation repeat and autoreverse? Is there any way to add options UIViewAnimationOptionAutoreverse | UIViewAnimationOptionRepeat to this …
ios objective-c uiview uiviewanimationI want to make an application which creates sound, music, or system sound when an iPhone is in silent mode. …
iphone objective-c ipad avaudioplayerIf I run this request from my terminal I can see the JSON requests as normally: curl -XGET 192.168.0.6:8888/scripts/data/…
ios objective-c json nsurlrequestif you tell an objective c object to removeObservers: for a key path and that key path has not been …
objective-c cocoa key key-value-observingI'm new to iPhone development and Xcode in general and have no idea how to begin troubleshooting an EXC_BAD_…
iphone objective-c xcode debugging exc-bad-accessI'm trying to get the file path of a file called "temp.pdf" which is located in the NSTemporaryDirectory folder (…
objective-c ios cocoa nsbundle