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?

424

Explain the difference between bounds and frame?

400

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

425

What is wildcard app ids?

483

From which ios version, arc is supported?

421

What are advantages of arc over mrc?

482

Explain application sandboxing.

437

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

387

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

401

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

384

Explain difference between mrc and arc?

466

What are layers?

463

What is nsmanagedobjectcontext? What are the different concurrency types?

394


Un-Answered Questions { Mobile OS }

Explain the difference between windows and ubuntu?

436


Explain content provider component of android?

471


What is api level, codename of android 4.0.3 – 4.0.4?

519


What is nine-patch images tool in android?

513


How to make a textview to be editable?

523






Explain ~/documents, ~/library, ~/tmp. What directory is ~ on ios?

414


What is the procedure to check status of an activity in android?

483


What is nspersistentstore?

546


Under what condition could the code sample below crash your application? How would you modify the code to avoid this potential problem? Explain your answer.     Intent sendIntent = new Intent();     sendIntent.setAction(Intent.ACTION_SEND);     sendIntent.putExtra(Intent.EXTRA_TEXT, textMessage);     sendIntent.setType(HTTP.PLAIN_TEXT_TYPE); // "text/plain" MIME type     startActivity(sendIntent);

2819


How to silent the noisy keyboard?

470


How to check if browser supports web storage?

505


How to pass parameter to selector function in swift? : IOS Architect

672


Who can submit applications through the blackberry app world vendor portal?

507


Explain how you create launchers on the desktop in ubuntu?

366


Do loops swift?

449