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 2309

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 2213

what is dispatchQueue?

1 2424

Find the letter count in UItextfield? Including first character?

1506

Tell about block and GCD

1 2680

Difference between retain and assign ?

1 2786

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

1 2919

How to fix tableviewcell dequeue issue ?

1428

Difference between ScrollviewdidScroll and didendDecelerating delegates?

1 2954

Major difference between delegate and notification?

1 2306

Push notification working in ios?

1 2179

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 2261

Bundle & document directory, sandbox ?

1 2133

Difference b/w collectionView & uitableview?

2308

Un-Answered Questions { Mobile OS }

What is dynamic dispatch ios?

815

You need to process when user clicks on a notification on upper left of android screen?

925

What is android orm?

1025

What is ubuntu gnome desktop?

770

Android ui is threadsafe? Is it true or false?

927

Is ubuntu free to use?

763

what is serialization? How serialization is different from binders?

1161

What is a function in swift?

813

What are broadcast receivers? How is it implemented?

994

What are the three themes that ios embodies?

899

What is api level, codename of android 4.4?

928

Implement the following methods: retain, release, auto release in iOS operating system?

804

What are the exceptions available in android?

926

How to disable landscape mode in android?

1112

Which programming languages are used for ios development?

835

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