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 1650

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

896

Did you used CLRegion? How its working?

1 1598

what is dispatchQueue?

1 1743

Find the letter count in UItextfield? Including first character?

1140

Tell about block and GCD

1 2029

Difference between retain and assign ?

1 2104

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

1 2111

How to fix tableviewcell dequeue issue ?

1002

Difference between ScrollviewdidScroll and didendDecelerating delegates?

1 1841

Major difference between delegate and notification?

1 1673

Push notification working in ios?

1 1586

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 1625

Bundle & document directory, sandbox ?

1 1508

Difference b/w collectionView & uitableview?

1925


Un-Answered Questions { Mobile OS }

How much space should I give ubuntu?

388


What is a toast? Write its syntax.

455


How to get screen dimensions in pixels in andorid devices?

508


How can you prioritize the usability of the demand process?

501


What is ios application?

469






What is synchronous vs. Asynchronous in gcd ?

450


What is android syncing?

473


How is the nine-patch image different from a regular bitmap?

513


What’s wake locks?

469


Does android support the bluetooth serial port profile? Yes. 78. Can an application be started on powerup?

475


List the data types supported in aidl?

462


What is push notification?

507


What is notification in iOS?

486


What do you understand by intents in android ide?

430


Will installing ubuntu erase windows?

386