Mobile OS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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 2306

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 2210

what is dispatchQueue?

1 2423

Find the letter count in UItextfield? Including first character?

1506

Tell about block and GCD

1 2679

Difference between retain and assign ?

1 2784

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

1 2919

How to fix tableviewcell dequeue issue ?

1427

Difference between ScrollviewdidScroll and didendDecelerating delegates?

1 2953

Major difference between delegate and notification?

1 2304

Push notification working in ios?

1 2178

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 2259

Bundle & document directory, sandbox ?

1 2132

Difference b/w collectionView & uitableview?

2307

Un-Answered Questions { Mobile OS }

How do I add a bridging header in swift?

758

Explain me what is an intent?

978

Explain differentiate between release and pool drain?

813

What is ubuntu in laptop?

767

What is called before viewdidload?

815

What is mvc design pattern in ios?

931

Do you know launch modes in android?

955

Can you list and explain the four java classes related to using sensors on the android platform?

946

What is notification in iOS?

871

Explain me what is a broadcast receiver?

979

What is a struct in iOS operating system?

770

What are the features of iphone 3gs?

813

What is anim/ directory?

936

What is Blackberry technology?

942

Can we distribute web applications?

902

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