Google Flutter Google Flutter Navigation 2

Question 1

Which widget provides a bottom navigation bar for switching between top-level app destinations?

Accepted Answer

BottomNavigationBar

Answer

BottomNavigationBar displays icons and labels at the bottom of the screen for switching between top-level views.

Question 2

How does Navigator 2.0 differ from Navigator 1.0 in Flutter?

Accepted Answer

Navigator 2.0 is declarative and uses a pages list, enabling URL-driven navigation

Answer

Navigator 2.0 uses a declarative pages list driven by app state, making back-stack management and deep linking explicit.

Question 3

What does Navigator.pushAndRemoveUntil() do?

Accepted Answer

Pushes a route and removes all routes from the stack up to a predicate condition

Answer

pushAndRemoveUntil pushes a new route and removes all routes below it until the predicate returns true.

Question 4

Which widget creates a side drawer that slides in from the left edge?

Accepted Answer

Drawer

Answer

Drawer is a Material Design panel that slides in from the side, typically assigned to the drawer property of Scaffold.

Question 5

In go_router, which parameter specifies the initial location when the app launches?

Accepted Answer

initialLocation

Answer

The initialLocation parameter of GoRouter sets the URL path the app navigates to on launch.

Google Flutter Practice Test