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 is advantage of categories? What is difference between implementing a category and inheritance?

729

What is an iphone app?

862

What are the requirements for developing iphone apps?

800

What is push notification?

913

Assume that your app is running in the foreground but is currently not receiving events. In which sate it would be in?

880

When to use nsmutablearray and when to use nsarray?

768

Describe the functionality of accelerometer of an iphone ?

822

What is cococa and cocoa touch?

911

What happens when we invoke a method on a nil pointer?

777

What is latest mac os version?

885

What is meaning of 'synthesize' keyword ?

860

What is meaning of 'retain' keyword?

890

What is the meaning of 'weak' keyword?

837

What are the viewcontroller lifecycle in ios?

899

What is difference strong and weak reference ? Explain.

852

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Un-Answered Questions { Apple iOS }

What are ios protocols?

779

Do you know which json framework is supported by ios?

817

How to start a thread?

771

Explain layer objects?

850

What is latest mac os version?

885

What is a category and when is it used?

893

Explain how do I get a call when my ipad rings?

812

What does ns stand for ios?

859

Explain mutable and immutable types in objective c programming language?

836

What are delegates in ios swift?

800

What is strong in ios?

787

What is swift and what is objective-c?

810

How to download xcode for iphone development?

729

what is the use of PO command in Xcode?

958

What is App Bundle in iOS operating system?

906

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