Apple iOS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apple iOS Interview Questions

Questions Answers Views Company eMail

What are the tools required to develop iOS applications?

B-Ways TecnoSoft,

1 2445

. Name the framework that is used to construct application’s user interface for iOS.

1 2229

Which API is used to write test scripts that help in exercising the application's user interface elements?

1 3296

. Why an app on iOS device behaves differently when running in foreground than in background?

1 2735

How can an operating system improve battery life while running an app?

1 2851

Which framework delivers event to custom object when app is in foreground?

1 2992

. When an app is said to be in not running state?

1 3188

. Name the app sate which it reaches briefly on its way to being suspended

1 2375

An app is loaded into memory but is not executing any code. In which state will be in?

1 2106

Assume that system is running low on memory. What can system do for suspended apps?

1 2471

How can you respond to state transitions on your app?

1 2613

. List down app's state transitions when it gets launched.

1 2222

What is the use of controller object UIApplication?

1 3119

How is the app delegate is declared by Xcode project templates?

1 3134

Which app specific objects store the app's content?

1 3425

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Un-Answered Questions { Apple iOS }

What is bridging header in ios?

855

Why iphone apps are popular?

876

What are ios apps written in?

809

An app is loaded into memory but is not executing any code. In which state will it be in?

778

How is retain different from assign?

783

What are layer objects in iOS operating system?

832

What framework is used to construct application's ios user interface?

824

What is ios architecture?

832

what are fetched properties? How do you create a fetched property?

803

What is main thread checker?

838

What do you know about the ios kernel?

855

What is gcd ios?

886

Explain the architecture of iphone? : IOS Architect

735

What is the difference between atomic and nonatomic properties? Which is the default for synthesized properties?

773

How we can wait for some thread to finish before starting another?

797

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