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?

1541

Which all frameworks you worked in ios ?

1 2386

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

1 2367

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

1338

Did you used CLRegion? How its working?

1 2282

what is dispatchQueue?

1 2490

Find the letter count in UItextfield? Including first character?

1553

Tell about block and GCD

1 2754

Difference between retain and assign ?

1 2855

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

1 3039

How to fix tableviewcell dequeue issue ?

1471

Difference between ScrollviewdidScroll and didendDecelerating delegates?

1 3025

Major difference between delegate and notification?

1 2374

Push notification working in ios?

1 2256

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 2310

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Un-Answered Questions { Apple iOS }

what are the build phases available in Xcode?

997

What major changes released in ios7, ios8, ios9+?

859

What is the current iphone ios?

889

What is the ? In swift?

909

From which ios version, arc is supported?

867

What is strong weak in ios?

884

Explain the difference between NSOperationQueue concurrent and non-concurrent in iOS operating system?

893

What is ios application?

910

Who is the developer of ios?

865

Define 'atomic' keyword?

824

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

891

What is use of uiapplication class?

865

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

807

How to install an iphone application for testing?

918

What is nsobject in ios?

883

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