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?

1656

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

2202

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.

2691

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);

4096

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

1814

Explain AndroidManifest.xmlfile in detail.

1538

Describe android Activities in brief.

1593

How to send SMS in android? Explain with example.

1665

Describe the SmsManager class in android.

1527

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

1510

Describe SharedPreference storage option with example.

1 2736

What are the key components of Android Architecture?

1 4578

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

1 3063

Tell us something about activityCreator?

1 3100

What do intent filters do?

1 2451

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Un-Answered Questions { Android OS }

What is context in toast android?

966

difference between nine-patch image vs regular bitmap image in android?

887

On android services, onstart() and onbind() are the same?

950

What is the benefit of an android library project?

923

what does adt stand for in android?

948

What is main/jni/ directory?

915

What is the importance of an emulator in android?

1040

What is pojo class in android?

960

What do you mean aidl?

891

What is relative layout in android?

1008

What is the difference between serializable and parcelable?

902

Can android kitkat be upgraded to lollipop?

875

Can I update my tablet android version?

924

How to prevent the data from reloading and resetting when the screen is rotated?

1064

What is staggered grid in android?

903

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