Flutter TabBar and TabBarView
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Flutter TabBar and TabBarView

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@HandierHeliotrope9143

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Questions and Answers

What does the DefaultTabController widget do in Flutter?

  • It changes the background color of the tab easily.
  • It displays the widget which corresponds to the currently selected tab.
  • It provides a simple way to create tab layouts using the material library.
  • It controls the functioning of each tab by syncing the tabs and the contents with each other. (correct)

    • What happens if the length specified for DefaultTabController does not match the number of tabs present in TabBar's tabs property?

  • The tabs will be displayed with incorrect formatting
  • The tabs will not be displayed at all
  • The application will crash
  • An error saying “Controller’s length property does not match the number of tabs present in TabBar’s tabs property” will occur. (correct)

    • Which of the following is mandatory for each tab in TabBar?

  • Icon
  • Text
  • Color
  • Both icon and text (correct)

    • What kind of navigation are tabs mainly used for in mobile applications?

    <p>Local navigation within a single page</p> Signup and view all the answers

    What does Flutter provide for creating tab layouts?

    <p>A simple way to create tab layouts using the material library</p> Signup and view all the answers

    What does the 'items' property do in the bottom navigation bar widget?

    <p>It defines the list to display within the bottom navigation bar</p> Signup and view all the answers

    What does the 'currentIndex' property do in the bottom navigation bar widget?

    <p>It determines the current active bottom navigation bar item on the screen</p> Signup and view all the answers

    What is the purpose of the 'onTap' property in the bottom navigation bar widget?

    <p>It is called when we tapped one of the items on the screen</p> Signup and view all the answers

    What does the 'iconSize' property do in the bottom navigation bar widget?

    <p>It specifies the size of all bottom navigation item icons</p> Signup and view all the answers

    When should a navigation drawer be recommended?

    <p>Apps with five or more top-level destinations</p> Signup and view all the answers

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