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 - How to pass the data between activities in Android?

A - Intent

B - Content Provider

C - Broadcast receiver

D - None of the Above

Answer : A

Explanation

An Intent is used to connect one activity to another activity and having a message passing mechanism between activities.

Q 2 - On which thread services work in android?

A - Worker Thread

B - Own Thread

C - Main Thread

D - None of the above.

Answer : C

Explanation

Services, by default, work on Main thread. You can start services from any thread, but if you want to update the UI, you need to call Main thread.

Q 3 -What are the functionalities of Binder services in android?

A - Binder is responsible to manage the thread while using aidl in android

B - Binder is responsible for marshalling and un-marshalling of the data

C - A & B

D - Binder is a kind of interface

E - None of the above

Answer : C

Explanation

Binder is responsible to manage the thread while creating aidl and is responsible to do marshalling and un-marshalling of the data. Binders have sub functionalities and interface for clients

Q 4 - How to access the context in android content provider?

A - Using getContext() in onCreate()

B - Using intent()

C - Using getApplicationContext() at anywhere in an application

D - A & C

E - A & B