Mobile OS Interview Questions
Questions Answers Views Company eMail

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

1143

Explain about design patterns in iOS

1 1611

Explain about MVC Design patters

1 1554

what is singleton class? Why the whole application creates a single instance?

1 1586

Explain @property ,@synthesize

1 1680

what is the difference between nonatomic & atomic

1 1862

What is bundle

1 1652

Explain collections in iOS

1 1646

Explain application states

901

Explain UIView life cycles

1 2024

Screen resolution of iPhone & iPad

1 1568

Explain about NSURL Connection Delegates

1 1745

Explain @synchronized ,@dynamic

1278

what is the difference between nonatomic & atomic ? which is thread safe and why

983

Explain Apple push notification

1017


Un-Answered Questions { Mobile OS }

Explain xib?

422


What are runnable in android?

490


what are fetched properties?

457


What are layer objects?

448


What is singleton in swift?

438






Can you play android 2.1 games on android 2.2?

513


What is meaning of 'copy' keyword?

472


Why we use delegate in ios?

413


Which is the latest version of android?

470


Is it worth learning swift 2019?

431


What is 1x 2x?

421


What is Automatic Reference Counting (ARC) in iOS operating system?

452


What is cocoa framework in ios?

449


Suppose when I deployed my xna app to the xde, the orientation is in portrait mode, but when I deploy it to a device, it's in landscape mode.?

447


What is app/ directory?

529