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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 1683

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

 916

Did you used CLRegion? How its working?

 1 1622

what is dispatchQueue?

 1 1775

Find the letter count in UItextfield? Including first character?

 1160

Tell about block and GCD

 1 2053

Difference between retain and assign ?

 1 2132

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

 1 2147

How to fix tableviewcell dequeue issue ?

 1020

Difference between ScrollviewdidScroll and didendDecelerating delegates?

 1 1892

Major difference between delegate and notification?

 1 1702

Push notification working in ios?

 1 1615

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 1653

Bundle & document directory, sandbox ?

 1 1537

Difference b/w collectionView & uitableview?

 1939

Un-Answered Questions { Mobile OS }

What are the different storages available in android?

525

Who created swift?

427

Is swift similar to c?

431

Explain about windows phone bluetooth?

599

Is swift memory safe?

453




What is a marshmallow in android?

501

How long is ubuntu 18.04 supported?

358

What is the 'implementation'?

420

Explain the difference between data storage options which are available in android?

469

What is raw?

485

What is the codename of android 6.0?

482

Explain ios 7 airdrop?

458

How to change the main color of sencha touch application?

507

What are the best ways of achieving concurrency in ios?

486

What is the meaning of 'weak' keyword?

503

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