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Mobile OS Interview Questions
Questions Answers Views Company eMail

Explain xctest test case code.

 429

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?

 428

What is wildcard app ids?

 487

From which ios version, arc is supported?

 425

What are advantages of arc over mrc?

 484

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?

 468

What are layers?

 469

What is nsmanagedobjectcontext? What are the different concurrency types?

 402

Un-Answered Questions { Mobile OS }

Is ios better than android?

487

Please explain what is a job scheduling?

486

What is difference between delegate and datasource in ios?

479

How many different logcat types are there?

499

Explain sending sms messages programmatically?

478




What does apk stand for?

503

What is aidl? What are the datatypes supported by aidl?

487

What is an ios framework?

435

Explain .apk extension.

519

Explain how to identify a device or a user?

528

What is the architecture of ios?

450

What is nspersistentstorecoordinator? What duties does it perform?

432

Is android system webview important?

497

Is equal to string swift?

466

What is view object in ios?

464

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