Google Flutter App Development 2

Question 1

Which command creates a new Flutter project named 'myapp'?

Accepted Answer

flutter create myapp

Answer

flutter create <name> scaffolds a new Flutter project.

Question 2

What is the entry point of every Flutter application?

Accepted Answer

The runApp() call inside main()

Answer

Execution begins in main(), which calls runApp() to attach the root widget.

Question 3

Which widget provides Material Design visual structure with app bar, body, and floating action button slots?

Accepted Answer

Scaffold

Answer

Scaffold implements the basic Material Design layout structure.

Question 4

What does a hot reload do in Flutter?

Accepted Answer

Injects updated source into the running Dart VM keeping state

Answer

Hot reload injects changed code into the running VM while preserving app state.

Question 5

Which file declares a Flutter project's dependencies and assets?

Accepted Answer

pubspec.yaml

Answer

pubspec.yaml lists dependencies, assets, and project metadata.

Google Flutter Practice Test