Mobile OS Interview Questions
Questions Answers Views Company eMail

 Which API is used to write test scripts that help in exercising the application's user interface elements?

1 1639

. Why an app on iOS device behaves differently when running in foreground than in background? 

1 1140

 How can an operating system improve battery life while running an app?

1 1183




 Which framework delivers event to custom object when app is in foreground? 

1 1147

. When an app is said to be in not running state? 

1 1403

. Name the app sate which it reaches briefly on its way to being suspended

1 868

 An app is loaded into memory but is not executing any code. In which state will be in?

1 744

 Assume that system is running low on memory. What can system do for suspended apps?

1 762

 How can you respond to state transitions on your app? 

1 971

. List down app's state transitions when it gets launched. 

1 812

What is the use of controller object UIApplication?

1 1580

How is the app delegate is declared by Xcode project templates?

1 1478

 Which app specific objects store the app's content?

1 1517

 Are document objects required for an application? What does they offer?

1 727

Which is the super class of all view controller objects?

1 2375







Un-Answered Questions { Mobile OS }

DB updation when app new version comes ?

333


What is the methods for unzip file in AFNetworking

860


What happens when you invoke a method on a nil pointer?

1273


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

398


Explain Apple push notification

438






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

437


Can Ubuntu be integrated with Microsoft infrastructure?

488


In mapKit frame work, how to get current user location

504


What is a ContentProvider and what is it typically used for?

492


what is preferences

578


What does Ubuntu mean?

465


Explain @synchronized ,@dynamic

710


Explain what is the stack of autorelease pools. How autorelease pool work under the hood?

454


Difference b/w collectionView & uitableview?

809


Explain your process for tracing and fixing a memory leak

1467