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

Mobile OS Interview Questions

Questions Answers Views Company eMail

Can you use an Intent to provide data to a ContentProvider? If not, what would be the proper mechanism for doing this?

1607

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

2152

The last callback in the lifecycle of an activity is onDestroy(). The system calls this method on your activity as the final signal that your activity instance is being completely removed from the system memory. Usually, the system will call onPause() and onStop() before calling onDestroy(). Describe a scenario, though, where onPause() and onStop() would not be invoked.

2646

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);

3952

Explain in brief about the important file and folder when you create new android application.

1751

Explain AndroidManifest.xmlfile in detail.

1500

Describe android Activities in brief.

1540

How to send SMS in android? Explain with example.

1594

Describe the SmsManager class in android.

1485

How you can use built-in Messaging within your application?

1457

Describe SharedPreference storage option with example.

1 2639

What are the key components of Android Architecture?

1 4476

What are the advantages of having an emulator within the Android environment?

1 2978

Tell us something about activityCreator?

1 2999

What do intent filters do?

1 2372

Un-Answered Questions { Mobile OS }

What are different ways that you can specify the layout of elements in a uiview?

794

Explain how nat works?

815

Some images look different when synced to the device and read programmatically. Do decoders change these?

924

What is @dynamic and any place where it is used?

787

What is the difference between color os and android?

853

Is android the most popular os?

850

Different types of persistent stores? Which all types can we have on ios?

755

Are ios developers in demand?

741

Can we save posts to local drafts and figure out how to publish to the blog. What do we need to do?

696

What is the use of android os?

839

Which class do we use for listening location update?

843

How will apps change with android 2.2?

870

Which scenario can test only on real devices but not on emulator?

963

What is startanimation?

912

What is the best android phone?

834

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