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

Android 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.

2153

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.

2647

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);

3953

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

1751

Explain AndroidManifest.xmlfile in detail.

1501

Describe android Activities in brief.

1540

How to send SMS in android? Explain with example.

1595

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 2640

What are the key components of Android Architecture?

1 4477

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

1 2979

Tell us something about activityCreator?

1 2999

What do intent filters do?

1 2374

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Un-Answered Questions { Android OS }

Which dialog boxes can you use in you Android application?

898

What is the function of an intent filter?

812

What is an apk format?

938

What are the steps that are required in service lifecycle?

833

What is dalvik virtual machine (dvm)?

870

what are the main advantages of web services in android?

847

Why android is the most popular mobile operating system in the world?

853

What is idl (interface definition language)?

905

to write a back ground functionality in an activity, should I use a thread or service?

820

Is android 7 any good?

822

Explain what are intent filters?

884

What is a content provider? How is it implemented?

832

how to fetch a contact person number from contact application using content provider?

815

What is the mobile application development all about?

934

What is main/java/com..?

862

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