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?

1430

Which all frameworks you worked in ios ?

1 2242

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

1 2222

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

1260

Did you used CLRegion? How its working?

1 2147

what is dispatchQueue?

1 2366

Find the letter count in UItextfield? Including first character?

1468

Tell about block and GCD

1 2602

Difference between retain and assign ?

1 2703

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

1 2828

How to fix tableviewcell dequeue issue ?

1381

Difference between ScrollviewdidScroll and didendDecelerating delegates?

1 2892

Major difference between delegate and notification?

1 2228

Push notification working in ios?

1 2110

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 2189

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Un-Answered Questions { Apple iOS }

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

792

Flow of push notification?

782

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

877

What is ios image?

710

What is the difference between inheritance and category?

798

How does the runtime handle message passing? What is message forwarding?

847

What is dispatch queue in ios swift?

866

Is ios 9 still supported by apple?

838

What is view controller xcode?

818

What is nsoperationqueue?

775

What are the app states in ios?

794

What is @synthesize?

854

Explain what is a class?

769

Explain "private", "protected" and "public"?

733

What devices will support ios 7?

835

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