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?

1186

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

1700

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.

2229

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);

2811

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

1344

Explain AndroidManifest.xmlfile in detail.

1122

Describe android Activities in brief.

1136

How to send SMS in android? Explain with example.

1171

Describe the SmsManager class in android.

1082

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

1055

Describe SharedPreference storage option with example.

1 2077

What are the key components of Android Architecture?

1 3845

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

1 2275

Tell us something about activityCreator?

1 1878

What do intent filters do?

1 1735


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Un-Answered Questions { Android OS }

What information do you need before you begin coding an android app for a client?

489


what is activity context?

469


How was android os created?

440


What is use of dagger in android?

480


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

1186






What is the significance of the .dex files? in Android?

515


What is the difference between an implicit intent and explicit intent?

649


What are the languages supported for android development?

493


What are the different storages available in android?

515


What is the relationship between the life cycle of an asynctask and an activity?

491


Describe android Activities in brief.

1136


When is it desirable to kill the foreground activity?

491


How does android system manage activity’s life cycle?

478


What are three common reasons to use an intent?

508


how to install your app in android?

491