Mobile OS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mobile OS Interview Questions

Questions Answers Views Company eMail

Explain xctest test case code.

431

What is a retain cycle?

433

What is memory management handled on ios?

430

Explain the difference between bounds and frame?

402

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

431

What is wildcard app ids?

487

From which ios version, arc is supported?

427

What are advantages of arc over mrc?

486

Explain application sandboxing.

439

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

393

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

405

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

388

Explain difference between mrc and arc?

472

What are layers?

469

What is nsmanagedobjectcontext? What are the different concurrency types?

402

Un-Answered Questions { Mobile OS }

Explain alamofire benefits

463

What are the different storages available in android?

525

Which OS versions does BlackBerry App World support?

594

Is it possible to use custom pixel shader in xna?

476

Can any be nil swift?

470

Is multiple inheritance possible in swift?

438

What is relative layout in android?

481

What do you mean by adb?

511

What are layers?

469

What is error in application in iphone?

433

Explain place holder constraint

436

Will iphone 5s get ios 13?

436

How do you know you have a virus on your phone?

502

Does ubuntu have a gui?

367

How do I upgrade my android operating system?

482

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