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interviewquestiononline on 09/02/19


Interview questions ios

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IOS Interview Questions

 / Published in: AppleScript


What is IOS Which JSON framework is supported by iOS? Difference Between Atomic and Nonatomic List of Different Types of iOS Application States. Difference Between ‘app ID’ from ‘bundle ID Which are the Ways of Achieving Concurrency in iOS? Which is the framework that is used to construct application’s user interface for iOS? Which is the application thread from where UIKit classes should be used? Which API would you use to write test scripts to exercise the application’s UI elements? When would you say that an app is not in a running state? When is an app said to be in active state? Which are the app’s state transitions when it is launched? What is Content offset What is NSLayoutAnchor? What is Main Thread Checker What is Decoding or Deserialization and Encoding or Serialization What is the purpose of using IBAction and IBOutlet? What is the reuseIdentifier used for? Difference between viewDidLoad and viewDidAppear What is KVC and KVO What is Swift and what is Objective-C? What is SpriteKit and what is SceneKit? Differentiate between ‘assign’ and ‘retain’ keyword. How is retain different from assign?


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