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 are common use cases for using an intent?

1009

When to use asynctask?

1038

Define activity application component.

1056

Why is emulator important in the android environment?

1220

What is sleep mode in android?

1064

What are the measures to avoid application anr?

972

How would you create an autoincrement field?

996

How is the nine-patch image different from a regular bitmap?

1107

An android application needs to access device data e.g sms messages, camera etc. At what stage user needs to grant the permissions?

911

Which types of flags are used to run an application on android?

995

What is framelayout ?

1020

What are typical subdirectories that the “res” directory does contain?

940

What is xmpp used for?

1091

What is sqlite? How does it differ from client-server database management systems?

1110

which language is supported by android for application development?

969

Un-Answered Questions { Mobile OS }

Do you know which json framework is supported by ios?

879

Explain .apk extension.

1049

What is uiwindow in ios?

863

How to represent layer objects in iOS operating system ?

865

Explain difference between sax parser and dom parser?

777

What is automatic reference counting (arc)?

878

How to pass the data between view controllers?

904

Is ios 9 still supported by apple?

1000

How to define a new sencha touch class?

1100

Explain what is garbage collection?

935

How does recyclerview differ from listview?

1014

To develop your own service in android, what you need to do?

941

Explain the sending sms in android?

1023

What is main/java/com..?

980

Differentiate ‘app id’ from ‘bundle id.’ Explain why they are used?

833

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