Explain ios 7 airdrop?
Do you know which json framework is supported by ios?
What is a protocol in objective-c programming language?
Explain app bundle?
Explain me does ios support multitasking?
Explain what is a class?
Explain ios switching applications?
If any app can run in the background, what about battery life?
What do you know about home screen of ios?
Does ios supports multi-tasking functionality?
What is the mean of not running state in ios?
What are selectors in objective-c?
Explain what is storyboard?
Explain the significance of autorelease?
Explain mutable and immutable types in objective c programming language?