COPY: Introduction to Android App Development Quiz
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Questions and Answers

What is the purpose of build.gradle in Android development?

  • To create a virtual device for testing
  • To define the project configuration and dependencies (correct)
  • To select the Android version for the app
  • To run the app on a virtual device

    • What are the three types of build.gradle files mentioned in the text?

  • Virtual, Physical, and Android Version
  • Hardware, Emulator, and AVD Manager
  • Project, Module, and Settings (correct)
  • Project, Emulator, and Physical Device

    • What is the purpose of creating a virtual device in Android development?

  • To test the app on different versions of Android and form factors (correct)
  • To choose hardware for the app
  • To finalize the app configuration and dependencies
  • To run the app on a physical device

    • What is the process of running an app on a physical device in Android development?

    <p>Select physical device, then run the app</p> Signup and view all the answers

    What type of relationship is represented by the layout hierarchy in Android?

    <p>Parent-child</p> Signup and view all the answers

    In the view hierarchy, what is the root view always?

    <p>ViewGroup</p> Signup and view all the answers

    What type of class inheritance is used in the Android view class-hierarchy?

    <p>Hierarchical inheritance</p> Signup and view all the answers

    How are Buttons visually arranged in a LinearLayout in the layout hierarchy?

    <p>In a row</p> Signup and view all the answers

    What is the main programming language used for writing Android apps?

    <p>Java</p> Signup and view all the answers

    Which component type in Android is responsible for managing a shared set of data?

    <p>Content provider</p> Signup and view all the answers

    What is the main tool used for developing Android apps?

    <p>Android Studio</p> Signup and view all the answers

    Which challenge is related to keeping the source code and user data safe in Android development?

    <p>Security</p> Signup and view all the answers

    What is the name of the virtual machine in which Android apps are executed?

    <p>Dalvik Virtual Machine (DVM)</p> Signup and view all the answers

    Which type of file contains information about the app for the Android runtime?

    <p>.manifest</p> Signup and view all the answers

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