Google Flutter Basics 2

Question 1

Which programming language is used to write Flutter applications?

Accepted Answer

Dart

Answer

Flutter apps are written in Dart, a language developed by Google.

Question 2

What is the basic building block of a Flutter UI?

Accepted Answer

Widget

Answer

Everything in Flutter's UI is a widget, from layout to styling.

Question 3

Which command creates a new Flutter project?

Accepted Answer

flutter create my_app

Answer

The 'flutter create' command scaffolds a new Flutter project.

Question 4

Which file declares a Flutter project's dependencies?

Accepted Answer

pubspec.yaml

Answer

Dependencies and assets are declared in pubspec.yaml.

Question 5

What does the Flutter 'hot reload' feature do?

Accepted Answer

Injects updated code into the running app while preserving state

Answer

Hot reload injects code changes into the running Dart VM while keeping app state.

Google Flutter Practice Test