Mobile OS Interview Questions
Questions Answers Views Company eMail

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

1 823

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

416

Did you used CLRegion? How its working?

1 764




what is dispatchQueue?

1 893

Find the letter count in UItextfield? Including first character?

580

Tell about block and GCD

1 1082

Difference between retain and assign ?

1 982

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

1 873

How to fix tableviewcell dequeue issue ?

490

Difference between ScrollviewdidScroll and didendDecelerating delegates?

1 1022

Major difference between delegate and notification?

1 922

Push notification working in ios?

1 795

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?

1 824

Bundle & document directory, sandbox ?

1 682

Difference b/w collectionView & uitableview?

923







Un-Answered Questions { Mobile OS }

How do I train as an Ubuntu system administrator?

441


Explain @synchronized ,@dynamic

735


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

416


Explain about AFNetworking. What is the base class used in AFNetworking library

1292


How to get the geolocation data on a picture?

480






what is the procedure of using D2MS server in cloud messaging in android

620


How to fix tableviewcell dequeue issue ?

490


Explain AndroidManifest.xmlfile in detail.

526


Describe a real time scenario where android can be used

733


How do we do compliance for Ubuntu?

430


Explain your process for tracing and fixing a memory leak

1497


what is preferences

623


What happens when you invoke a method on a nil pointer?

1306


Difference between iOS 3 , iOS4, iOS 5, iOS 6, iOS 7 and iOS 8 (What are the new features)

613


Find the letter count in UItextfield? Including first character?

580