Android development has become a cornerstone in mobile application design and implementation. Let’s test your knowledge of Android’s fundamental concepts with these 25 multiple-choice questions!
1. Which programming language is primarily used for Android app development?
b) JavaScript
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Answer:
Explanation:
While Android app development can be done using a variety of languages, Kotlin is now the recommended language for Android app development, as stated by Google.
2. What is the main file used to define the appearance of an Android screen?
a) MainActivity.java
b) AndroidManifest.xml
c) activity_main.xml
d) app.gradle
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Answer:
c) activity_main.xml
Explanation:
The activity_main.xml file (or similarly named XML files) are layout files used to define the appearance or UI of an Android screen.
3. In Android, what is an "Activity"?
a) A background service
b) A UI screen that users can interact with
c) A data storage unit
d) A type of notification
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Answer:
b) A UI screen that users can interact with
Explanation:
In Android, an "Activity" represents a single screen with a user interface (UI).
4. Which tool is primarily used to develop Android applications?
b) Visual Studio
d) Android Studio
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Answer:
d) Android Studio
Explanation:
Android Studio is the official integrated development environment (IDE) for Android app development.
5. What does the term "APK" stand for in the Android ecosystem?
a) Android Programming Kit
b) Android Package Kompiler
c) Android Presentation Kit
d) Android Package Kit
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Answer:
d) Android Package Kit
Explanation:
APK stands for Android Package Kit. It is the file format used for distributing and installing applications on the Android operating system.
