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 ?

320




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

414

“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?

495


Describe the SmsManager class in android.

441


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

583


Explain your process for tracing and fixing a memory leak

1438


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

573






DB updation when app new version comes ?

320


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

470


How to get the geolocation data on a picture?

440


Describe a real time scenario where android can be used

666


Explain AndroidManifest.xmlfile in detail.

466


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.

1186


How to convert MVC design pattern to MVVM design patterns

461


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

381


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

559


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

409