Explain retain counts in iOS operating system?
Do you know what is iphone reference library?
Explain the difference between nil and nil?
What is mvp in ios?
Tell me the hierarchy of uibutton.
What json framework is supported by ios (iphone os)?
Assume that your app is running in the foreground but is currently not receiving events. In which sate it would be in?
what are fetched properties? How do you create a fetched property?
What is difference between 'assign' and 'retain' keyword?
What is ios appdelegate?
Explain ios multitasking?
Explain layer objects?
Whats the difference between frame and bounds?