MCQ King
Android Studio – 23 – Android Data Binding
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1. What is Android Data Binding?
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2. What is the primary benefit of using Android Data Binding in an Android app?
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3. How can you enable Android Data Binding in an Android Studio project?
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4. What is the purpose of the layout XML files in Android Data Binding?
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5. How can you create a binding expression in a layout XML file?
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6. What is the syntax for creating a binding expression in a layout XML file?
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7. What is the purpose of the “@{}” syntax in a binding expression?
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8. How can you bind a TextView to a variable using Android Data Binding?
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9. What is the primary purpose of binding variables in Android Data Binding?
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10. Which of the following is a valid binding expression for setting the text of a TextView?
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11. How can you use data binding with a ViewModel in Android?
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12. What is the role of a ViewModel in Android Data Binding?
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13. How can you specify a ViewModel for data binding in a layout XML file?
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14. What is the purpose of the “android:viewModel” attribute in a layout XML file?
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15. How can you access data from a ViewModel in a binding expression?
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16. What is the role of the BindingAdapter in Android Data Binding?
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17. How can you create a custom BindingAdapter in Android Data Binding?
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18. What is the purpose of a custom BindingAdapter in Android Data Binding?
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19. How can you apply a custom BindingAdapter to a UI component in a layout XML file?
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20. What is the “app:” namespace used for in a layout XML file with Android Data Binding?
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21. How can you use two-way data binding with EditText in Android Data Binding?
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22. What is the purpose of two-way data binding in Android Data Binding?
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23. How can you define binding expressions for attribute values in a layout XML file?
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24. What is the primary purpose of defining binding expressions for attribute values in a layout XML file?
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25. How can you use Android Data Binding with RecyclerView in an Android app?
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26. What is the role of Android Data Binding in RecyclerView?
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