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 2441

. 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 2732

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

1 2847

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

1 2991

. 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 2366

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 2469

How can you respond to state transitions on your app?

1 2613

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

1 2216

What is the use of controller object UIApplication?

1 3114

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

1 3130

Which app specific objects store the app's content?

1 3423

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Un-Answered Questions { Apple iOS }

What is array in ios?

778

Explain parent-child context setup. How does it work?

773

What are ui elements and some common ways you can add them to your app?

807

Mention the short-cut to edit variables in Scope?

801

Do you know any other changes to ios 7 since wwdc?

787

Difference between cocoa, cocoa touch and objective c?

784

In a single model, can I have few entities in one sqlite db file and remaining in another sqlite db file?

873

is code completion is active by default in iphone development?

798

Explain ios 7 airdrop?

793

What is meaning of 'nonatomic' keyword?

921

What is difference between nsnotification and delegate?

776

How does the runtime handle message passing? What is message forwarding?

895

Can I have relationship between entities in separate stores (in case of configurations)?

846

What is the difference between atomic and nonatomic properties?

868

Which object manage the presentation of app's content on the screen?

843

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