- Android - Home
- Android - Overview
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- Android - Architecture
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- Android - TextureView
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- Android Useful Resources
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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.
Q 1 - What is a context in android ?
A - It is an interface to store global information about an application
B - It is used to create new components.
C - Android has two contexts, those are getContext() and getApplicationContext()
Answer : D
Explanation
Context is used to create new components or objects like views and it is used to start activity and services. Android has two kinds of contexts and those are getContext() and getApplicationContext().
Q 2 - What is the life cycle of services in android?
Answer : A
Explanation
Service life cycle is as onCreate()−>onStartCommand()−>onDestory().
Q 3 - What are the functionalities in asyncTask in android?
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 - How to store heavy structured data in android?
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.
Q 5 - Which features are considered while creating android application?
Answer : E
Explanation
Before creating an application, developers should consider screen size, input configuration, version, and device features
Q 6 - What are the debugging techniques available in android?
Answer : D
DDMS, Breaking Point and Memory profiling are the three debugging techniques available in Android. Based on requirement, we can use debugging techniques, each technique is having different capabilities to debug.
Q 7 - In which technique, we can refresh the dynamic content in android?
Answer : B
Using with Ajax technology, we can refresh the dynamic data in web pages.
Q 8 - What are the JSON elements in android?
Answer : D
Json elements are Number, string, boolean, null, array, and object
Answer : B
ANR responding time is 5 sec. If an application is not responding within 5 sec, ANR will occur
Q 10 - What is bean class in android?
A - A class used to hold states and objects
B - A bean class can be passed from one activity to another.
Answer : A
Bean class can hold other states and objects. It contains all fields which are private with setter and getter.