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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 : B

Explanation

OnCreate() − The system will call this,when an activity is created first time.

onStart() − The system will call this,when an activity starts the actions/action on UI.

onResume() − The system will call this, when onRestart() or onPause() is called.

onPause() −> The system will call this, when an activity going into the background.

onStop() − The system will call this, when an activity going into stop.

onRestart() − The system will call this, when an activity going to stop stage and to start the activity again.

onDestroy() − The system will call this, when an activity going in stop mode.

Q 2 - WHich of the following is/are are the subclasses in Android?

A - Action Bar Activity

B - Launcher Activity

C - Preference Activity

D - Tab Activity

E - All of above

Answer : E

Explanation

Action bar,Launcher, Preference and Tab activities are subclasses of activities in android

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.

Answer : B

Explanation

Broadcast receiver has only onReceive() method. Broadcast starts from onRecieve() and control comes out from onRecieve().

Answer : E

Explanation

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

Answer : C

Android debug bridge is a client and a server modelled tool and acts as a bridge between client and server.

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 : A

Using with google could messaging, we can push the data from the servers to client devices. In short, we can send messages to mobile devices through the cloud(Push Notification).

Answer : C

Android is having four levels of protection in android permission tag. They are normal, dangerous, signature, and signatureOrsystem

Answer : E

Give same id for both notifications.

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