Who calls the main function of you app during the app launch cycle in iOS operating system?
What is the current iphone ios?
What language is ios written?
What is background state in ios?
What json framework supported by ios?
What does use core data mean in xcode?
Explain why delegates and notifications are different.
What is the protocol in ios?
What are ui elements and some common ways you can add them to your app?
What is cococa and cocoa touch?
What is atomic and nonatomic in iOS operating system? What is run loop in iOS ?
What are different instruments xcode supports for app profiling?
What is thread in ios?