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Apple iOS Interview Questions
Questions Answers Views Company eMail

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

921

Which all frameworks you worked in ios ?

1 1445

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

1 1478

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

777

Did you used CLRegion? How its working?

1 1406

what is dispatchQueue?

1 1526

Find the letter count in UItextfield? Including first character?

1014

Tell about block and GCD

1 1799

Difference between retain and assign ?

1 1753

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

1 1772

How to fix tableviewcell dequeue issue ?

899

Difference between ScrollviewdidScroll and didendDecelerating delegates?

1 1593

Major difference between delegate and notification?

1 1499

Push notification working in ios?

1 1403

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 1458


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Un-Answered Questions { Apple iOS }

What language is ios written?

319


Garbage collector in iphone?

354


What is gcd in ios swift?

345


What is the biggest change with ios 7?

343


What is encapsulation in ios?

322






Explain how an autorelease pool works at the runtime level in iOS

383


Difference between release and autorelease ?

352


What json framework supported by ios?

353


How do you stop apps running in the background on ios?

300


What is core data stack?

307


Explain how to delete images in ios?

319


What is @synthesize?

357


In which language ios is written?

319


Who calls the main function of you app during the app launch cycle in iOS operating system?

409


Explain ios 7 airdrop?

339