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

Mobile OS Interview Questions

Questions Answers Views Company eMail

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

431

What is latest mac os version?

508

What is meaning of 'synthesize' keyword ?

502

What is meaning of 'retain' keyword?

522

What is the meaning of 'weak' keyword?

498

What are the viewcontroller lifecycle in ios?

502

What is difference strong and weak reference ? Explain.

474

Explain stack and heap?

504

How to deal with sqlite database?

484

What is storyboard?

483

What is difference between 'protocol' and 'delegate'?

446

What manual memory management ? How it work?

465

What is 'notification'?

464

How to download something from the internet?

479

What happens if the methods doesn’t exist?

458

Un-Answered Questions { Mobile OS }

Why is delegate weak in ios?

492

How do you delete files from sd card on android?

495

Explain the different features of swift programming language?

472

What is nsoperationqueue?

440

When dealing with multiple resources, which one takes precedence?

561

What role does dalvik play in android development?

484

What are ibeacons in ios? : IOS Architect

485

What is retain in ios?

433

Tell us what is the difference between a fragment and an activity? Explain the relationship between the two?

476

Is ubuntu an open source?

354

What is true about localstorage?

528

When can you get ios 13?

447

What is mvc in swift?

448

Explain me what is a broadcast receiver?

490

How do I upgrade my android operating system?

478

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