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Flutter TabBar and TabBarView

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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?

Local navigation within a single page Signup and view all the answers

What does Flutter provide for creating tab layouts?

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

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

It defines the list to display within the bottom navigation bar Signup and view all the answers

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

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

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

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

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

It specifies the size of all bottom navigation item icons Signup and view all the answers

When should a navigation drawer be recommended?

Apps with five or more top-level destinations Signup and view all the answers

Flutter TabBar and TabBarView

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Questions and Answers

What does the DefaultTabController widget do in Flutter?

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

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

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

What does Flutter provide for creating tab layouts?

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

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

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

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

When should a navigation drawer be recommended?

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