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Android Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to Android. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Answer : D

Explanation

Context is used to create new components or objects like views and it is used to start activity and services. Android has two kinds of contexts and those are getContext() and getApplicationContext().

Answer : C

Explanation

Manifest.xml is having information about application as number components in your application,Activity information,service information, and icon about an application

Each application has at least one Manifest file. Without manifest file we can't generate the APK file.

Q 3 -What are the return values of onStartCommand() in android services?

A - START_STICKY

B - START_NOT_STICKY

C - START_REDELIVER_INTENT

D - All of the above

E - None of the above

Answer : D

Explanation

START_STICKY − If android stops services forcefully, using with START_STICKY, it can be restarted automatically without the user interaction.

START_NOT_STICKY − If android stops services forcefully, it will not restart services till user start services.

START_REDELIVER_INTENT − If android stops services forcefully, it will restart services by re-sending an intent.

Answer : A

Explanation

CPU will be in sleeping mode and it does not take any commands except radio interface layer and alarm from mobile.

Q 5 - Which features are considered while creating android application?

A - Screen Size

B - Input configuration

C - Platform Version

D - Device features

E - All of above

Answer : E

Explanation

Before creating an application, developers should consider screen size, input configuration, version, and device features

Answer : C

APK is an android packaging kit. We can pack/zip, our code in apk format to work on Android devices as an application.

Q 7 - In which technique, we can refresh the dynamic content in android?

A - Java

B - Ajax

C - Android

D - None of the Above

Answer : B

Using with Ajax technology, we can refresh the dynamic data in web pages.

Answer : C

Fragment life cycle is as shown below −

onAttach()
OnCreate()
onCreateView()
onActivityCreated()
onStart()
onResume()
onPause()
onStop()
onDestroyView()
onDestroy()
onDetach()

Q 9 - Is it possible activity without UI in android?

A - No, it's not possible

B - Yes,it's possible

C - We can't say

D - None of the above

Answer : B

Without UI, we can call an activity, It will do some background functionalities.

Answer : B

Class can be immutable.

android_questions_answers.htm
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