Why uicontrol is provided if we can create custom uiview?
Is there any garbage collector concept available in iOS?
Define fast enumeration?
Have you uploaded app on appstore? What is the process?
Which object is create by uiapplicationmain function at app launch time?
how you can delete a smart group created in Xcode?
Why we use delegate in ios?
Explain code signing in ios?
What is atomic and nonatomic in iOS operating system? What is run loop in iOS ?
What is the difference between cocoa and cocoa touch?
Why is delegate weak in ios?
What happens when we invoke a method on a nil pointer?
What is iphone screen size?
Explain about iphone application development?
What is strong and weak in ios?