Who calls the main function of you app during the app launch cycle?
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What is oops in ios?
An app is loaded into memory but is not executing any code. In which state will be in?
Explain ios 7 airdrop?
What manual memory management?
Explain which all events will perform an ios application in background
What are the different delete rules that a relationship can have? Which one takes ownership?
What is urlsession?
How do you setup/initialise a core data stack in your application? Is this activity performed on main thread? If not, why?
Explain ios multitasking?
What is an NSOperationQueue and how/would you use it in iOS operating system?
Explain iglistkit?
Tell me what is fast enumeration?