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 2444

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

1 2227

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

1 3294

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

1 2734

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 2371

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 3117

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

1 3133

Which app specific objects store the app's content?

1 3425

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Un-Answered Questions { Apple iOS }

Multitasking support is available from which version in iOS operating system?

921

How to parse json?

870

Explain difference between mrc and arc?

831

What is difference between synchronous and asynchronous in web request in iOS operating system?

824

How are non-atomic and atomic properties different? Which one is the default property for synthesized properties? When would a user operate one over the other?

823

What is nsfetchedresultscontroller?

891

What json framework is supported by ios (iphone os)?

829

What is nsmanagedobjectcontext? What are the different concurrency types? Explain each type.

730

When dealing with property declarations, what is the difference between atomic and non-atomic?

1496

What is onboarding and why is it so important for mobile design? : IOS Architect

821

What is concurrency in ios?

859

what does @synthesize do?

854

What is delegate and protocol in ios?

849

Which is the framework that is used to construct application’s user interface for ios?

768

What is strong weak in ios?

838

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