Mobile OS Interview Questions
Questions Answers Views Company eMail

What is UICollectionView ?

1 1725

What is UITableView?

1 650

DB updation when app new version comes ?


How to do upload of large sized video file to server ? while uploading user presses “Homebutton” How long will execute?


“BgTask “ ? how long execute?

1 673

UI updation in seperate thread is it possible ?

1 614

what is universal Application?

1 672

what is protocol? . The use of protocol?

1 650

what are the controllers are available in objective C

1 876

what is navigation controller?

1 816

What is factory methods ? What is the advantage of using it ?

1 590

Explain UIApplication life cycle

1 1124

Explain UIApplication delegate

1 654

Is it possible to write a program without using nib file

1 699

What NSAutorelease pool

1 654

Un-Answered Questions { Mobile OS }

When dealing with property declarations, what is the difference between atomic and non-atomic?


Describe the SmsManager class in android.


If the Activity is showing an animation that indicates some kind of progress, what issue might you encounter and how could you address it?


Explain your process for tracing and fixing a memory leak


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


DB updation when app new version comes ?


Mention what is the difference between Swift and ‘Objective-C’ language?


How to get the geolocation data on a picture?


Describe a real time scenario where android can be used


Explain AndroidManifest.xmlfile in detail.


The last callback in the lifecycle of an activity is onDestroy(). The system calls this method on your activity as the final signal that your activity instance is being completely removed from the system memory. Usually, the system will call onPause() and onStop() before calling onDestroy(). Describe a scenario, though, where onPause() and onStop() would not be invoked.


How to convert MVC design pattern to MVVM design patterns


How will you implement sets and the intersection operation? Complexity?


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


How you can use built-in Messaging within your application?