Android Main Activity Logic Quiz
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Questions and Answers

What is the purpose of the AndroidManifest.xml file in Android development?

  • Stores colors and strings resources
  • Specifies the layout of the application
  • Holds details about the application such as package, version, permissions, activities (correct)
  • Contains the logic part of the main Activity

Which file is responsible for specifying the layout of the application in Android?

  • colors.xml
  • strings.xml
  • activity_main.xml (correct)
  • MainActivity.java

In Android development, which file contains the logic part of the main Activity?

  • R.java
  • colors.xml
  • MainActivity.java (correct)
  • Layout files

What does the setContentView() method do in Android's Activity lifecycle?

<p>Render graphical components on the screen (A)</p> Signup and view all the answers

Which file is considered to be the heart of any Android application?

<p>AndroidManifest.xml (A)</p> Signup and view all the answers

What type of information is stored in the R.java file in Android development?

<p>Resource references like layouts, strings, colors (D)</p> Signup and view all the answers

What file is automatically updated with every new Android Activity class added to an app?

<p>AndroidManifest.xml (A)</p> Signup and view all the answers

Which file in Android development declares the main class, setting it as the starting point for an app?

<p>AndroidManifest.xml (B)</p> Signup and view all the answers

What is the purpose of R.java in Android development?

<p>Holding references to resources like images and layouts (C)</p> Signup and view all the answers

Which file format is used by Android for distributing applications, functioning similar to Java's JAR package?

<p>.apk (C)</p> Signup and view all the answers

What is the purpose of the Android App Bundle (AAB) build format?

<p>Optimizing APK generation for Google Play Store (B)</p> Signup and view all the answers

In Android development, what is included in an APK (Android Package Kit) besides .dex files?

<p>.xml files (A)</p> Signup and view all the answers

In Android programming, what is the purpose of the AndroidManifest.XML file?

<p>To define essential information about the application (D)</p> Signup and view all the answers

What is the role of the DEX (or d8) tool in Android development?

<p>Converting Java bytecode to DEX byte code (C)</p> Signup and view all the answers

Which file automatically gets created when starting an Android project in Android Studio?

<p>R.java (C)</p> Signup and view all the answers

What is the significance of separating views, logic, and data in Android app development?

<p>It aligns with the Android app development philosophy (B)</p> Signup and view all the answers

Which file contains information about an Android app's components and permissions?

<p>AndroidManifest.XML (B)</p> Signup and view all the answers

During Android app development, what does the R.java file primarily handle?

<p>Resource references (C)</p> Signup and view all the answers

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