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Android Online Quiz


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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

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.

Answer : E

Explanation

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

Q 3 - On which thread broadcast receivers will work in android?

A - Worker Thread

B - Main Thread

C - Activity Thread

D - None of the Above

Answer : B

Explanation

Broadcast Receiver by default runs on Main Thread only.

Q 4 - How to store heavy structured data in android?

A - Shared Preferences

B - Cursor

C - SQlite database

D - Not possible

Answer : C

Explanation

We can store structured data in SQlite database only. SQlite database is very efficient and faster to read and store the data.

Answer : E

Explanation

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

Answer : C

Breaks the execution to find the debug value, It is one of the debugging techniques.

Q 7 - What is the package name of HTTP client in android?

A - com.json

B - org.apache.http.client

C - com.android.JSON

D - org.json

Answer : B

org.apache.http.client is the package name of HTTP client.

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.

Answer : E

Give same id for both notifications.

nm.notify(1,notification);
android_questions_answers.htm
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