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?

797

What is push notification?

908

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

879

When to use nsmutablearray and when to use nsarray?

768

Describe the functionality of accelerometer of an iphone ?

818

What is cococa and cocoa touch?

908

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

775

What is latest mac os version?

882

What is meaning of 'synthesize' keyword ?

859

What is meaning of 'retain' keyword?

887

What is the meaning of 'weak' keyword?

835

What are the viewcontroller lifecycle in ios?

894

What is difference strong and weak reference ? Explain.

847

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Un-Answered Questions { Apple iOS }

Explain application sandboxing.

775

Define content offset?

831

Explain alamofire benefits

814

Which programming language is used in ios?

816

What is nspersistentstorecoordinator? What duties does it perform?

806

Can you please explain the difference between frame and bounds?

850

Explain difference between mrc and arc?

829

What is xcode used for?

796

What is foundation framework in ios?

869

What is the purpose of reuseidentifier? What is the benefit of setting it to a non-nil value?

734

What is ios layer?

810

Enlist frameworks for cocoa?

847

When can you get ios 13?

807

Explain parent-child context setup. What are the advantages?

779

What is delegate method?

823

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