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 2164

What is UIApplication?

1 3363

What happens when IApplication does not handle an event?

1 2232

How would you create your own custom view?

1 2099

What is App Bundle?

1 2190

Whats a struct?

1 2122

Whats the difference between NSArray and NSMutableArray?

1 2312

Explain retain counts

1 3286

Whats the difference between frame and bounds?

1 3295

Is a delegate retained?

1 2932

Outline the class hierarchy for a UIButton until NSObject.

1 3384

Multitasking support is available from which version?

1 2546

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

1 2462

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

1 2068

Which JSON framework is supported by iOS?

B-Ways TecnoSoft,

1 2910

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Un-Answered Questions { Apple iOS }

Define view object in iOS operating system?

789

What is Delegation in iOS?

807

Ellaborate viper architecture?

886

What is difference between static library and framework?

910

What is the concurrency how many ways you know to achieve concurrency?

783

is code completion is active by default in iphone development?

804

Define autorealease pool?

835

Explain parent-child context setup?

773

In which language ios is written?

815

Assume that an app is not in foreground but is still executing code. In which state will it be in?

839

Explain me app bundle?

841

Explain xib?

823

Which object manage the presentation of app's content on the screen?

847

Please explain what is difference strong and weak reference?

730

Would I be able to keep in touch with some c++ work in the equivalent .m record? Will it compile? Assuming no, what changes would it be a good idea for me to do to compile it?

711

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