Apple iOS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apple iOS Interview Questions

Questions Answers Views Company eMail

When dealing with property declarations, what is the difference between atomic and non-atomic?

1542

Which all frameworks you worked in ios ?

1 2393

If you run an application on device , which has location services.Which location it will show first ?

1 2373

If you use location services in your app, will it drain your battery.if yes? How can we avoid?

1343

Did you used CLRegion? How its working?

1 2285

what is dispatchQueue?

1 2492

Find the letter count in UItextfield? Including first character?

1556

Tell about block and GCD

1 2756

Difference between retain and assign ?

1 2863

How can we use NSOperation queue? what is the advantage of using it ?

1 3053

How to fix tableviewcell dequeue issue ?

1474

Difference between ScrollviewdidScroll and didendDecelerating delegates?

1 3029

Major difference between delegate and notification?

1 2378

Push notification working in ios?

1 2259

A tableview with while tapping on cell show a popOver. and tapping on it move to another view controller, is it possible if yes? then how?

1 2314

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Un-Answered Questions { Apple iOS }

What is difference between mvc and mvvm in ios?

896

Explain the difference between frame and bounds?

997

What are the Different types of persistent stores?

913

Which object is create by uiapplicationmain function at app launch time?

845

How to parse json? Explain

881

How do I get a call when my ipad rings?

884

What is plist?

938

What is grand central dispatch ios?

908

What is xib?

805

What are “strong” and “weak” references? Why are they important and how can they be used to help control memory management and avoid memory leaks?

815

What is ios realm?

921

What are the different store migration options? How do they work?

838

What is the short cut to open the “Code Snippet Library” in Xcode?

968

How respond to state transitions on your app in ios?

868

What is the significance of autorelease?

838

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