Flutter Fundamentals Assessment

What is a Flutter widget?

• A Flutter widget is a server-side component.

• A Flutter widget is a fundamental component used to build the user interface in Flutter applications.

• A Flutter widget is a programming language.

• A Flutter widget is a type of database.

Name two types of widgets in Flutter.

• ContainerWidget

• StatelessWidget, StatefulWidget

• ListViewWidget

• TextFieldWidget

What is the purpose of the StatefulWidget class?

• To manage user input without state.

• To create widgets that are immutable.

• To create widgets that maintain state across rebuilds.

• To define the layout of a widget without any state.

How do you manage state in a Flutter application?

• State can only be managed through global variables.

• State can be managed using StatefulWidgets, Provider, Riverpod, BLoC, or GetX.

• State can only be managed using StatelessWidgets.

• State management is not necessary in Flutter applications.

What is the difference between hot reload and hot restart?

• Hot restart preserves the app state; hot reload resets it.

• Hot reload preserves the app state; hot restart resets the app state.

• Hot reload is only available in web applications.

• Hot reload is faster than hot restart.

How can you create a simple layout in Flutter?

• Implement ListView for static content.

• Use Column or Row widgets to create a simple layout in Flutter.

• Utilize GridView for simple layouts.

• Use Stack widget for complex layouts.

What widget would you use for a scrollable list?

• GridView

• ScrollView

• RecyclerView

• ListView

Explain the use of the Scaffold widget in Flutter.

• The Scaffold widget is primarily for handling user input in forms.

• The Scaffold widget is a tool for debugging Flutter applications.

• The Scaffold widget is used to manage state in a Flutter app.

• The Scaffold widget is used to create a basic visual layout structure for a Flutter app.

What is the role of the BuildContext in Flutter?

• The BuildContext provides a way to access the widget tree and its properties, enabling widgets to interact with their environment.

• BuildContext is responsible for rendering animations in Flutter.

• BuildContext manages the state of the application globally.

• BuildContext is used to define the main entry point of a Flutter app.

How do you handle user input in Flutter?

• Handle user input with a GestureDetector.

• Use a ListView to display user input.

• Use a Button widget to collect user input.

• Use TextField or TextFormField with a TextEditingController to handle user input.