What is Automatic Reference Counting (ARC) in iOS operating system?
What does 2x resolution mean?
Which framework delivers event to custom object when app is in foreground?
How to measure your application's performance on an iphone device?
How you can add frameworks in xcode project?
Explain difference between release and autorelease?
Explain about Viewcontroller lifecycle.
What is view object in iOS operating system?
How do I get ios 13?
What is framework in ios?
What is the difference between viewdidload and viewwillappear?
what are the controllers are available in objective C
Explain xib?