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Mobile OS Interview Questions
Questions Answers Views Company eMail

Explain xctest test case code.

 429

What is a retain cycle?

 429

What is memory management handled on ios?

 422

Explain the difference between bounds and frame?

 398

How you will store user info (username, password or token) securely in ios?

 422

What is wildcard app ids?

 483

From which ios version, arc is supported?

 421

What are advantages of arc over mrc?

 481

Explain application sandboxing.

 435

Have you uploaded app on appstore? What is the process?

 387

What is difference between unit tests and ui test in xcode?

 399

Why do we override drawrect: method? How to explicitly call it?

 381

Explain difference between mrc and arc?

 466

What are layers?

 463

What is nsmanagedobjectcontext? What are the different concurrency types?

 393

Un-Answered Questions { Mobile OS }

When to use nsmutablearray and when to use nsarray?

438

difference between nine-patch image vs regular bitmap image in android?

492

What is the windows phone front page?

664

What are the other languages that android supports other than java?

1150

What is the dagger symbol used for?

469




Tell us how would you update the ui of an activity from a background service?

469

Is android stock better?

486

Can android kitkat be upgraded to lollipop?

457

Can phonegap work with contacts data of mobile device?

466

How to manage my isolated storage quota?

547

In mapKit frame work, how to get current user location

1013

How is the use of web view in android?

487

Android ui is threadsafe? Is it true or false?

517

Explain dalvik virtual machine?

485

What is raw/ directory?

502

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