1. Which widget is used for routing and navigation in Flutter?
2. What is the purpose of the "setState" method in Flutter?
3. Which command is used to run a Flutter app in debug mode?
4. What is a "StatelessWidget" in Flutter?
5. Which widget is used for making HTTP requests in Flutter?
6. How can you add custom fonts to a Flutter app?
8. How do you pass data between screens in Flutter?
9. Which widget is used to create a bottom navigation bar in Flutter?
10. What is the purpose of the "Expanded" widget in Flutter's "Column" or "Row" layouts?
11. What does "Widget" mean in Flutter?
12. Which Flutter widget is used to display a modal dialog box?
13. In Flutter, what is the purpose of the MaterialApp widget?
14. How do you add a gradient background to a widget in Flutter?
15. Which programming language is primarily used in Flutter?