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 2357

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

1 2143

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

1 3222

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

1 2639

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

1 2751

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

1 2898

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

1 3103

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

1 2271

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

1 2019

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

1 2372

How can you respond to state transitions on your app?

1 2534

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

1 2107

What is the use of controller object UIApplication?

1 3031

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

1 3029

Which app specific objects store the app's content?

1 3345

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Un-Answered Questions { Apple iOS }

What is tableview datasource?

729

Define iterator protocol?

765

What is meaning of 'synthesize' keyword ?

807

What is the difference between stack and heap?

852

Name the application thread from where uikit classes should be used?

928

What is arc in ios?

738

What are the popular apps of iphone?

847

If any app can run in the background, what about battery life?

761

When would you say that an app is not in a running state?

925

What does ios stand for in texting?

787

Difference between coredata & sqlite?

862

In mapKit frame work, how to get current user location

1294

Is uikit thread safe?

776

What is ipad screen size?

793

Explain how you can migrate to Xcode?

947

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