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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?

730

Which all frameworks you worked in ios ?

1 1075

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

1 1120

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

587

Did you used CLRegion? How its working?

1 1038

what is dispatchQueue?

1 1164

Find the letter count in UItextfield? Including first character?

770

Tell about block and GCD

1 1390

Difference between retain and assign ?

1 1317

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

1 1364

How to fix tableviewcell dequeue issue ?

676

Difference between ScrollviewdidScroll and didendDecelerating delegates?

1 1304

Major difference between delegate and notification?

1 1199

Push notification working in ios?

1 1052

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 1109


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Un-Answered Questions { Apple iOS }

What is nsfetchedresultscontroller? How do you turn on content monitoring?

134


Explain what is struct?

139


What is dependency management?

133


Explain code signing in ios?

120


Ellaborate viper architecture?

112






When would you say that an app is not in a running state?

106


what are the source items used by Xcode?

175


What is messaging? What is message forwarding?

109


Explain the usage of struct?

113


What is category in ios?

99


Can you explain ios design patterns?

98


Explain the difference between nsarray and nsmutablearray?

111


When is an app said to be in active state?

117


How do you usually persist data on ios? : IOS Architect

125


Difference between coredata & sqlite?

122