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 the important delegate methods of nsxml parser?

794

What is advantage of categories? What is difference between implementing a category and inheritance?

688

What is an iphone app?

797

What are the requirements for developing iphone apps?

754

What is push notification?

867

Assume that your app is running in the foreground but is currently not receiving events. In which sate it would be in?

834

When to use nsmutablearray and when to use nsarray?

725

Describe the functionality of accelerometer of an iphone ?

778

What are the requirements for the icon and screenshots?

901

What is the Domain Name System (DNS)? What are the advantages of it?

848

Can we send end users a message to renew or re-purchase an application?

886

What is an application gateway?

927

How’s the tax on purchased applications processed?

890

What is Blackberry technology?

884

What languages does BlackBerry App World support?

816

Un-Answered Questions { Mobile OS }

How to represent layer objects in iOS operating system ?

769

Who inventors of android ?

840

What is bundle id?

793

What is a toast notification?

880

What is a layout manager android?

895

What is difference between mvc and mvvm in ios?

817

What is mvc in ios swift?

817

Name the benefits of blackberry

845

how to code sign a app? : Blackberry tablet os

783

Is swift thread safe?

678

Who calls the main function of app during the app launch cycle in ios?

799

What is the difference between nil and none in swift?

770

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);

3960

What is main/java/com..?

870

Which are location providers in android?

919

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