This tag should be used only on questions that are about Objective-C features or depend on code in the language.
Possible Duplicate: How to Rotate a UIImage 90 degrees? How to programmatically rotate image by 90 Degrees in iPhone?
iphone objective-c cocoa-touch ios4 image-rotationUsing the Facebook iOS SDK, how can I get an NSArray of all my friends and send them an invitation …
ios objective-c facebook cocoa-touch facebook-friendsWhat's the difference between NSNumber and NSInteger? Are there more primitives like these that I should know about? Is there …
iphone objective-c nsnumber primitive-types nsintegerI try to get data from server. I use NSURLConnectionDelegate, NSURLConnectionDataDelegate. There is code (Objective - C). -(void)sendRequest { …
ios objective-c nsurlconnection nsurlrequest http-status-code-411This is the Obj-C code: CGContextSetStrokeColorWithColor(context, [[UIColor lightGrayColor] CGColor]); How do I write it in swift.
objective-c swift colors uicolorI have a very simple table and when tocuh a cell it opens a new view with one UITextfield. All …
iphone objective-c interface uitextfield builderI've encountered a problem where my button should remain "pressed down" while it shows popover called from it. Popover is …
objective-c ios uibutton ibactionThe icons show fine in ios 6 but not in ios 7. I'm setting the selected state in the viewController viewDidLoad method. …
objective-c uitabbar ios7When should I use init: and when should I use initWithNibName:bundle: when creating a view controller?
iphone objective-c uiviewcontroller initializationCan someone briefly explain to me how ARC works? I know it's different from Garbage Collection, but I was just …
objective-c cocoa-touch garbage-collection automatic-ref-counting