Google Flutter Basics 2

Question 1

Which programming language is used to write Flutter applications?

Accepted Answer

Dart

Answer

Kotlin

Answer

Swift

Answer

JavaScript

Question 2

What is the basic building block of a Flutter UI?

Accepted Answer

Widget

Answer

Activity

Answer

Fragment

Answer

Component

Question 3

Which command creates a new Flutter project?

Accepted Answer

flutter create my_app

Answer

flutter new my_app

Answer

flutter init my_app

Answer

dart create my_app

Question 4

Which file declares a Flutter project's dependencies?

Accepted Answer

pubspec.yaml

Answer

package.json

Answer

build.gradle

Answer

Podfile

Question 5

What does the Flutter 'hot reload' feature do?

Accepted Answer

Injects updated code into the running app while preserving state

Answer

Restarts the device

Answer

Recompiles and reinstalls the app from scratch

Answer

Clears the app cache

Question 6

Which function is the entry point of a Flutter application?

Accepted Answer

main()

Answer

runApp()

Answer

build()

Answer

start()

Question 7

Which method inside runApp() launches the widget tree?

Accepted Answer

runApp(Widget app)

Answer

render(Widget app)

Answer

launch(Widget app)

Answer

mount(Widget app)