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?

1496

Which all frameworks you worked in ios ?

1 2316

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

1 2309

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

1304

Did you used CLRegion? How its working?

1 2212

what is dispatchQueue?

1 2424

Find the letter count in UItextfield? Including first character?

1506

Tell about block and GCD

1 2680

Difference between retain and assign ?

1 2786

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

1 2919

How to fix tableviewcell dequeue issue ?

1428

Difference between ScrollviewdidScroll and didendDecelerating delegates?

1 2954

Major difference between delegate and notification?

1 2305

Push notification working in ios?

1 2179

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 2261

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Un-Answered Questions { Apple iOS }

Why to keep user policies at server side rather on device? : IOS Architect

1474

How respond to state transitions on your app in ios?

824

What is difference between unit tests and ui test in xcode?

859

What is ios appdelegate?

825

what is the use of PO command in Xcode?

957

Explain @synchronized ,@dynamic

1660

What are the delegate methods of mkmapview?

811

In which language is ios written?

834

How you will store user info (username, password or token) securely in ios?

802

What is category and class extension? How these differ?

795

What is difference between weak and strong in ios?

769

Do you know what is iphone reference library?

883

What is nspersistentstorecoordinator? What duties does it perform?

808

What is object graph in ios?

830

What are layer objects?

863

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