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Apple iOS Interview Questions
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What are the tools required to develop iOS applications? 

B-Ways TecnoSoft,

1 1695

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

 1 1436

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

 1 2622

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

 1 2160

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

 1 2111

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

 1 2330

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

 1 2609

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

 1 1768

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

 1 1527

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

 1 1782

 How can you respond to state transitions on your app? 

 1 1929

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

 1 1606

What is the use of controller object UIApplication?

 1 2424

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

 1 2355

 Which app specific objects store the app's content?

 1 2798

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Un-Answered Questions { Apple iOS }

Why uicontrol is provided if we can create custom uiview?

453

What is dependency injection in ios?

449

What is closures in ios?

427

What happens if iapplication object does not handle an event?

446

Explain parent-child context setup. How does it work? What are the advantages?

420




What is categories in iOS?

512

Explain the different types of ios application states.

429

What do you mean by rest?

441

What is @synthesize in objective-c ?

472

What is a memory leak?

488

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

416

DB updation when app new version comes ?

887

Tell me the hierarchy of uibutton.

564

What is ipa?

427

What is 1x 2x?

433

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