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Mobile OS Interview Questions
Questions Answers Views Company eMail

Compare and contrast the different ways of achieving concurrency in os x and ios.

 535

are you using charlesproxy ? Why/why not ?

 491

How could you setup live rendering ?

 513

What is dependency management?

 451

What’s the difference between not-running, inactive, active, background and suspended execution states?

 424

What is the use of double question marks (“??”) ?

 443

What are b-trees?

 475

What is a memory leak?

 497

Why don’t we use strong for enum property in objective-c ?

 617

What is gcd? How is it used?

 442

Why do we use synchronized ?

 466

What widgets can not do ?

 520

What is synchronous vs. Asynchronous in gcd ?

 472

What is the ? In swift?

 487

What is @synthesize in objective-c ?

 477

Un-Answered Questions { Mobile OS }

What is @dynamic in objective-c ?

466

Define 'retain' keyword?

464

What is weak and strong in ios?

447

What is onstop?

547

Explain the phone advantages of blackberry technology?

506




Please explain the difference between nine-patch image vs regular bitmap image?

477

Is android 7 any good?

479

What is the first responder and responder chain?

450

What is ios image?

411

How do I create a class in xcode?

439

When to use asynctask?

533

What is strong in ios?

456

Explain mutable and immutable types in objective c programming language?

481

Is jelly bean a version of android os?

488

What is subscript in swift?

472

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