Top "Objective-c" questions

This tag should be used only on questions that are about Objective-C features or depend on code in the language.

Check key exists in NSDictionary

how can I check if this exists?: [[dataArray objectAtIndex:indexPathSet.row] valueForKey:@"SetEntries"] I want to know whether this key …

ios objective-c iphone nsdictionary
How disable Copy, Cut, Select, Select All in UITextView

The UITextView's Copy, Cut, Select, Select All functionality is shown by default when I press down on the screen. But, …

ios objective-c uitextview
How to share an image on Instagram in iOS?

My client wants to share an image on Instagram, Twitter, Facebook. I have done Twitter and Facebook but did not …

ios objective-c swift instagram-api
Periodic iOS background location updates

I'm writing an application that requires background location updates with high accuracy and low frequency. The solution seems to be …

ios objective-c core-location background-task ios-background-mode
How to create IPA in Xcode 6?

In my project I can not figure out how to create an IPA file. Can anyone explain, step by step, …

ios objective-c iphone xcode xcode6
How to identify previous view controller in navigation stack

I have 2 seperate navigationcontrollers, one with RootViewController A and the other with RootViewController B. I am able to push ViewController …

objective-c ios uiviewcontroller uinavigationcontroller
What's the best way to develop a sideswipe menu like the one in Facebook's new iOS app?

It appears that side-swipe menus are becoming a more common interface element as more information gets crammed into each iPhone …

objective-c ios cocoa-touch
NSArray adding elements

I have to create a dynamic NSArray, that is, I don't know the size of the array or what elements …

objective-c nsarray
AutoLayout with hidden UIViews?

I feel like it's a fairly common paradigm to show/hide UIViews, most often UILabels, depending on business logic. My …

ios objective-c autolayout
Dashed line border around UIView

How do I add dashed line border around UIView. Something Like this

ios objective-c iphone uiview