Quiz 1 sur Flutter

Quiz 1 sur Flutter

University

30 Qs

quiz-placeholder

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Quiz 1 sur Flutter

Quiz 1 sur Flutter

Assessment

Quiz

Information Technology (IT)

University

Medium

Created by

manel hamza

Used 1+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle commande crée un nouveau projet Flutter ?

flutter new

flutter init

flutter create

flutter project

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle commande vérifie que Flutter est correctement installé ?

flutter check

flutter verify

flutter doctor

flutter status

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle est la principale différence entre un StatefulWidget et un StatelessWidget ?

StatefulWidget peut changer d’état pendant l’exécution.

StatelessWidget utilise setState().

StatefulWidget ne possède pas de méthode build().

Aucune différence.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dans un StatefulWidget, le code réactif se trouve dans :

La classe héritant de StatefulWidget.

La classe héritant de State.

La méthode main().

Le fichier pubspec.yaml.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle méthode est utilisée pour mettre à jour l’interface dans un StatefulWidget ?

setUI()

update()

setState()

refresh()

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle erreur dans ce code ? class MyWidget extends StatelessWidget { int counter = 0; @override Widget build(BuildContext context) { return Text('$counter'); } }

Il manque le setState.

Le widget doit être Stateful pour que counter change.

Il faut un Scaffold.

Rien.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Le widget Scaffold sert à :

Créer la structure visuelle d’une page (AppBar, Drawer, Body…).

Gérer l’état de l’application.

Stocker les données.

Importer les images.

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