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.

Q 1 - What is Pending Intent in android?

A - It is a kind of an intent

B - It is used to pass the data between activities

C - It will fire at a future point of time.

D - None of the Above

Answer : C

Explanation

Pending Intent is fired or triggered at a future point of time.

Q 2 - What is the difference between margin and padding in android layout?

A - Margin is specifying the extra space left on all four sides in layout

B - Padding is used to offset the content of a view by specific px or dp

C - Both A and B are correct

D - None of the above

Answer : C

Explanation

Margin specifies the space left on four sides in the layout and padding specifies the exact position where the element going to be taking place in the layout.

Q 3 - What are the functionalities in asyncTask in android?

A - onPreExecution()

B - doInBackground()

C - onProgressUpdate()

D - onPostExecution()

E - onPostExecution()

Answer : E

Explanation

AsyncTask needs doInBackground() and remaining methods are optional. As a developer we should need to implement all methods which are given above.

Q 4 - What is sleep mode in android?

A - Only Radio interface layer and alarm are in active mode

B - Switched off

C - Air plane mode

D - None of the Above

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 - Persist data can be stored in Android through

A - Shared Preferences

B - Internal/External storage

C - SQlite

D - Network servers.

E - All of above

Answer : E

Explanation

We can store persist data in android in shared preferences, internal/external storage, SQlite, and Network servers.

Q 6 -What is LastKnownLocation in android?

A - To find the last location of a phone

B - To find known location of a phone

C - To find the last known location of a phone.

D - None of the above

Answer : C

To find the last known location of a phone we need to use LastKnownLocation, the syntax is as shown below.

Location location = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);

Q 7 - What is an HTTP client class in android?

A - httprequest(get/post) and returns response from the server

B - Cookies management

C - Authentication management

D - None of the above

Answer : A

Http request has get and post methods and it returns the response from the servers.

Q 8 - What is the HTTP response error code status in android?

A - status code < 100

B - status code > 100

C - status >= 400

D - None of the above

Answer : C

HTTP status code >= 400 means error else success. Status code 404 means page not found

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.

Q 10 - What is the main difference between set and list in android?

A - Both are same

B - Set can't contain duplicate values

C - List may contain duplicate values

D - B & C

E - A & C

Answer : D

Set can't contain duplicate values. Examples of set are hashset,treeset and linked hash set

The list contains duplicate values. Example of list is linked list and array list

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