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 the use of the UI Automation API?

1 2225

What is UIApplication?

1 3434

What happens when IApplication does not handle an event?

1 2304

How would you create your own custom view?

1 2152

What is App Bundle?

1 2251

Whats a struct?

1 2183

Whats the difference between NSArray and NSMutableArray?

1 2368

Explain retain counts

1 3363

Whats the difference between frame and bounds?

1 3356

Is a delegate retained?

1 3023

Outline the class hierarchy for a UIButton until NSObject.

1 3450

Multitasking support is available from which version?

1 2630

How many bytes we can send to apple push notification server?

1 2520

Where can you test Apple iPhone apps if you don’t have the device?

1 2141

Which JSON framework is supported by iOS?

B-Ways TecnoSoft,

1 2992

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Un-Answered Questions { Apple iOS }

What are the cpu architectures supported by ios devices?

834

Define encoding or serialization??

920

What is cocoa framework in ios?

897

What is 1x 2x and 3x in ios?

826

What is a serial queue?

835

What is uitableviewdatasource?

843

Explain how you can add frameworks in Xcode project?

835

Explain what is iphone reference library?

851

Garbage collector in iphone?

937

Explain about Viewcontroller lifecycle.

918

What are the location services?

868

Define iterator protocol?

867

What does ns stand for ios?

915

What are ibeacons?

873

Explain keywords alloc and new?

861

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