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 - Is it possible to have an activity without UI to perform action/actions?

A - Not possible

B - Wrong question

C - Yes, it is possible

D - None of the above

Answer : C

Explanation

Generally, every activity is having its UI(Layout). But if a developer wants to create an activity without UI, he can do it.

Q 2 - What are the layouts available in android?

Answer : E

Explanation

Android is having Linear Layout(Horizontal and Vertical), Frame Layout, Table Layout, and Relative Layout.

Q 3 -How to pass the data from activity to services in android?

A - We can store the data in a common database and access the data on services as well as in Activity

B - We can't pass data from activity to services.

C - Using putExtra() method in intent, we can pass the data using setResult()

D - A & C

E - None of the above

Answer : D

Explanation

Using putExtra() method, we can send the data. While using it, we need to call setResult() method in services. We can also store data in a common database and access it on services as well as in Activity.

Q 4 - What is the difference between content values and cursor in android SQlite?

A - Content values are key pair values, which are updated or inserted in the database

B - Cursor is used to store the temporary result.

C - A & B

D - Cursor is used to store data permanently.

E - Content values are used to share the data.

Answer : C

Explanation

Content values are named key pair values which is used to store the data, update the data in SQlite database. Cursor is a temporary buffering area to store the temporary result of android SQlite.

Q 5 -Which permissions are required to get a location in android?

A - ACCESS_FINE and ACCESS_COARSE

B - GPRS permission

C - Internet permission

D - WIFI permission.

Answer : A

Explanation

To get a location of a phone, ACCESS_FINE and ACCESS_COARSE permission in manifest file are required. Without these permissions, we can't get the location of a mobile.

Q 6 - How many ports are allocated for new emulator?

A - 2

B - 0

C - 10

D - None of the above.