This tag should be used only on questions that are about Objective-C features or depend on code in the language.
How do you add custom initializers to UIViewController subclasses in Swift? I've created a sub class of UIViewController that looks …
ios objective-c swift uiviewcontroller initializationIs there a way to know if a UIScrollView has reached the top or bottom inside - (void)scrollViewDidEndDragging:(UIScrollView *)…
ios objective-c iphone uiscrollview uiscrollviewdelegateLet's say I have an NSURL? Whether or not it already has an empty query string, how do I add …
objective-c query-string nsurlI have an app which displays quite a lot of data in a UITableView. I already added the UISearchBar and …
ios objective-c uitableview uisearchbar uisearchdisplaycontrollerMy UICollectionView cells contain UILabels with multiline text. I don't know the height of the cells until the text has …
objective-c uicollectionview uicollectionviewcellI try to import a Swift Protocol named AnalyticProtocol into an Objective-C class named AnalyticFactory. protocol AnalyticProtocol { } I'm starting from …
objective-c swiftI'm using Xcode 4.6.1 to code on Objective-C. I want to know how can I keep the navigation bar shown when …
ios objective-c xcode4.6How can i convert the following date "Sun Jul 17 07:48:34 +0000 2011" to the following format "2011-07-17 07:48:34"? I used NSDateFormatter as shown …
iphone objective-c ios nsdate nsdateformatterI want to port a python app that uses mechanize for the iPhone. This app needs to login to a …
iphone objective-c cookies www-mechanizeI'm used to programming and having log messages be viewable. I know you used to be able to use NSLog() …
iphone objective-c cocoa xcode nslog