Tab navigation in Flutter - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is Tab Navigation in Flutter?

Tab Navigation lets users switch between different views or pages by tapping on tabs usually placed at the top or bottom of the screen.

beginner

Which Flutter widget is commonly used to create tabs with swipeable content?

The TabBar widget combined with TabBarView inside a DefaultTabController is used to create tabs with swipeable content.

intermediate

What role does DefaultTabController play in tab navigation?

DefaultTabController manages the state and coordination between TabBar and TabBarView, making tab switching smooth and automatic.

beginner

How do you add icons to tabs in Flutter?

You add icons by passing Tab(icon: Icon(Icons.icon_name)) inside the tabs list of TabBar.

intermediate

Why is it important to use semantic labels with tabs?

Semantic labels help screen readers describe the tabs to users with disabilities, improving accessibility and making the app usable by everyone.

Which widget wraps TabBar and TabBarView to manage tab state?

A MaterialApp

B Scaffold

C DefaultTabController

D Navigator

DefaultTabController manages the coordination and state of tabs.

Where is the TabBar widget usually placed in a Flutter app?

A Inside the FloatingActionButton

B Inside the Drawer

C Inside the BottomNavigationBar

D Inside the AppBar

TabBar is commonly placed inside the AppBar for top tabs.

How do users switch tabs in a typical Flutter tab navigation?

A By tapping on tab labels or icons

B By shaking the device

C By pressing volume buttons

D By long pressing anywhere on the screen

Users tap on the tab labels or icons to switch views.

Which widget shows the content for each tab in Flutter?

A TabBarView

B TabBar

C ListView

D Container

TabBarView displays the content corresponding to each tab.

What is a benefit of using TabBarView with swipe gestures?

A It changes the app theme

B Users can swipe left or right to change tabs

C It locks the screen orientation

D It disables tab switching

Swipe gestures let users switch tabs smoothly by sliding their finger.

Explain how to set up basic tab navigation in Flutter using DefaultTabController, TabBar, and TabBarView.

Think about how these widgets work together to create tabs.

Describe why accessibility is important in tab navigation and how you can improve it in Flutter apps.

Imagine a friend who uses a screen reader.