What is view controller xcode?
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How can a user respond or react to the state transitions on the app?
What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?
How to change the content of your app in order to change the views displayed in the corresponding window?
What is the use of controller object UIApplication?
What is gcd in ios swift?
what is navigation controller?
Difference between release and autorelease ?
Explain arc?
Why do we override drawrect: method?
What is a singleton?
Explain me app bundle?
Procedure to push the app in appstore?