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

Mobile OS Interview Questions

Questions Answers Views Company eMail

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

921

are you using charlesproxy ? Why/why not ?

941

How could you setup live rendering ?

845

What is dependency management?

839

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

781

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

889

What are b-trees?

806

What is a memory leak?

850

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

1064

What is gcd? How is it used?

768

Why do we use synchronized ?

811

What widgets can not do ?

892

What is synchronous vs. Asynchronous in gcd ?

782

What is the ? In swift?

863

What is @synthesize in objective-c ?

836

Un-Answered Questions { Mobile OS }

Differentiate between linearlayout, relativelayout, absolutelayout.

895

What is @objc in swift?

796

What happen if the latitude is less than -90 or greater than 90?

914

What is on change?

985

What kind of database is realm?

921

What is the correct way to check if a Compass sensor is present on the system? Explain your answer.

2203

How do I stop android os from eating data?

939

What language is similar to swift?

767

Explain me what is a contentprovider and what is it typically used for?

893

What is a toast? Write its syntax.

872

Are ios developers in demand?

791

What is an Explicit Intent in Android?

973

What is a break?

934

What is framework in swift?

826

What are the popular apps of iphone?

924

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