MOBILE APP DEV WITH FLUTTER EXAM

Question 1

What is Flutter primarily used for?

Web development
Mobile application development
Desktop application development
Game development

Question 2

Which programming language is predominantly used in Flutter development?

JavaScript
Python
Dart
Java

Question 3

What is the primary advantage of Flutter’s hot reload feature?

It speeds up app deployment
It enhances app security
It allows for real-time code changes and updates
It optimizes app performance

Question 4

Which command is used to create a new Flutter project?

flutter build
flutter init
flutter create
flutter start

Question 5

What is the purpose of the main() function in a Flutter app?

Display the main app screen
Handle HTTP requests
Manage app state
Define the app's entry point

List
void
Map
function

Question 7

In Flutter, which widget is used for displaying text?

TextWidget
Label
TextView
Text

Question 8

What does the Scaffold widget provide in a Flutter app?

A basic structure for the app's user interface
Data storage
User authentication
Location-based services

Question 9

Which widget is used for creating a row of equally spaced child widgets in Flutter?

Row
Column
Grid
Spacer

Question 10

How can you navigate to a new screen in Flutter?

Using print() statements
Using Navigator.push()
Using if-else statements
Using for loops

Question 11

What is the purpose of a StatefulWidget in Flutter?

To define the app's entry point.
To create reusable custom widgets
To manage mutable state in a widget
To define app themes and styles

Question 12

In Flutter, how do you pass data between screens when using named routes?

Using global variables
Using the Navigator object
Using the push() method
Using constructors in the target screen

Question 13

Which Flutter widget is commonly used for creating a list of items with a scrollable view?

ScrollList
ListView
ScrollWidget
ScrollableList

Question 14

What is an advantage of using packages like http or dio in Flutter for making HTTP requests?

They provide a built-in database
They simplify UI design
They facilitate efficient HTTP communication
They handle local storage

Question 15

What is JSON primarily used for in Flutter app development?

Displaying images
Managing app state
Handling user input
Handling structured data interchange

Question 16

Which Flutter widget is used for creating a responsive app bar at the top of the screen?

AppBar
TopBar
Header
NavigationBar

Question 17

What is the purpose of the setState method in Flutter?

To define the app's initial state
To rebuild a widget and update its state
To create a new widget
To define navigation routes

Question 18

Which Flutter widget is used for displaying an image from a URL?

ImageURL
ImageView
ImageNetwork
Image.network()

Question 19

What does the Expanded widget do in Flutter layout?

Adjusts font size based on screen size.
Creates expandable lists
Expands a child widget to fill available space
Adds padding around child widgets

Question 20

How can you handle user input validation in Flutter forms?

Using Navigator
Using Expanded widgets
Using if-else statements
Using form validators and error messages

Question 21

Which Flutter widget is used to display a list of many items with a scrollable view and efficient item loading?

GridView
ListView.builder
ScrollList
DynamicList

Question 22

What is the purpose of the async and await keywords in Flutter when making asynchronous operations, such as HTTP requests?

They add styling to widgets
They manage app navigation
They handle state management
They simplify asynchronous code execution

Question 23

Which Flutter widget is used for displaying pop-up messages with important information or alerts to users?

Snackbar
PopupMessage
Toast
AlertBox

Question 24

In Flutter, what is the primary purpose of a FutureBuilder widget?

To build dynamic lists
To handle user input
To work with futures and display asynchronous data
To create custom widgets

Question 25

What does the GestureDetector widget allow you to do in Flutter?

Add animations to widgets
Create custom gestures and touch events
Define app themes
Handle HTTP requests

Question 26

Which widget is used for routing and managing different screens in a Flutter app, providing a stack-based navigation system?

Navigator
RouteManager
ScreenController
PageStack

Question 27

What is a Flutter Key used for in widget management?

To define color schemes
To create animations
To uniquely identify widgets and control their behavior
To manage routes.

Question 28

Which of these is true about the widget’s BuildContext used in Flutter?

To define app themes.
To track each widget in a tree
To uniquely identify widgets
To create custom widgets.

Question 29

Which Flutter widget is used for displaying a circular progress indicator to indicate loading or progress?

CircularLoader
CircularProgressIndicator
Spinner
LoadingCircle

Question 30

How do you handle user interactions like taps and swipes in Flutter?

Using GestureDetector and gesture recognizers.
Using Expanded widgets
Using FutureBuilder for asynchronous actions.
Using Navigator for routing

Question 31

What is a Flutter Theme used for in app development?

To define app navigation.
To create custom widgets
To manage app state.
To define consistent styling and visual elements.

Question 32

Which package in Flutter is commonly used for managing and storing app state?

http
riverpod
firebase
shared_preferences

Question 33

What is the purpose of the Container widget in Flutter?

To define app themes.
To store app data.
To create custom animations.
To lay out and style child widgets

Question 34

In Flutter, what is a GlobalKey used for?

To define color schemes
To uniquely identify widgets across the entire app
To create custom animations

Question 34

Which Flutter widget is used for creating tabs and managing tabbed navigation in an app?

TabBarView
TabController
TabNavigator
TabLayout

Question 36

What is the main purpose of the LayoutBuilder widget in Flutter?

To define app themes
To create custom animations
To build a widget tree based on constraints
To handle HTTP requests

Question 37

In Flutter, what is the purpose of the PageRoute class?

To define app themes.
To create custom animations.
To define custom page transitions and routes
To manage app navigation.

Question 38

What is Flutter’s primary mechanism for handling state changes in widgets?

Using global variables
Using setState()
Using BuildContext
Using FutureBuilder

Question 39

In Flutter, which widget is used for creating a drop-down list of selectable items?

DropdownList
Picker
DropDownMenu
DropdownButton

Question 40

What is Flutter’s PageRouteBuilder used for?

To define app themes
To create custom animations for page transitions
To manage app navigation.
To define global app state

Question 41

Which Flutter widget is used for creating a checkbox that can be toggled on and off?

CheckBox
ToggleBox
CheckButton
Checkbox

Question 42

What is Flutter’s Future class used for in asynchronous programming?

To define app themes
To create custom animations.
To represent a potential value or error that will be available at some time in the future.
To handle HTTP requests

Question 43

In Flutter, what is the primary use of the Draggable and DragTarget widgets?

To define app themes
To create custom animations.
To implement drag-and-drop functionality.
To handle HTTP requests.

Question 44

In Flutter, what is the primary purpose of the Hero widget?

To enable augmented reality features
To create animated transitions between screens
To manage database connections
To handle user authentication

Question 45

Which Flutter widget is used to create a rotating spinner-like widget to indicate loading or progress?

SpinWheel
ProgressSpinner
LoadIndicator
CircularProgressIndicator

Question 46

What is the primary purpose of the PageRouteBuilder widget in Flutter?

To define app themes
To create custom page transitions
To manage app navigation
To build responsive layouts

Question 47

Which Flutter widget is typically used to display a pop-up message with important information or alerts to users?

NotificationPopup
AlertDialog
PopupMessage
SnackBar

Question 48

What is the primary purpose of the InkWell widget in Flutter?

To create animations
To add touch interactions to widgets, such as detecting taps
To define app themes
To manage internationalization

Question 49

In Flutter, what is the main role of the BottomNavigationBar widget?

To define app themes
To create custom animationsTo create custom animations
To provide navigation between app sections with tabs at the bottom of the screen
To handle database operations

Question 50

What is a common use case for Flutter’s AnimatedContainer widget?

To define app themes
To create custom animations.
To handle HTTP requests
To smoothly transition between widget properties like size and color

Question 51

What does the ValueNotifier class in Flutter help with?

To define app themes
To create custom animations
To propagate changes to a value across multiple widgets
To handle geolocation services

Question 52

Which Flutter package is commonly used for managing and persisting app data across sessions?

provider
shared_preferences
http
firebase

Question 53

What is the primary purpose of the ClipRRect widget in Flutter?

To define app themes
To create custom animations
To clip child widgets with rounded corners
To handle network requests

Question 54

In Flutter, what does the CustomPaint widget allow you to do?

To define app themes
To create custom animations
To draw custom graphics and shapes
To manage internationalization

Question 55

What is Flutter’s Cupertino library primarily used for?

To handle geolocation services.
To create custom animations
To manage internationalization
To design iOS-style interfaces and components

Question 56

In Flutter, what does the RxDart package provide?

To create custom animations
To manage app themes
To handle network requests using observables and reactive programming
To define navigation routes

Question 57

What is JSON primarily used for in Flutter app development?

Handling structured data interchange
Managing app state
Handling user input
Displaying images

Question 58

In Flutter, how do you leave screens to previous a previous screen?

Using global variables
Using the Navigator object
Using the pop() method
Using constructors in the target screen

Question 59

In Dart which of these are conditional statements

if-else
switch case
for
while

Question 60

In Dart which of these are loop statements

if-else
switch case
for
while

MOBILE APP DEV WITH FLUTTER EXAM

Quiz Summary

Information

Results

Results

Categories

1. Question

2. Question

3. Question

4. Question

5. Question

6. Question

7. Question

8. Question

9. Question

10. Question

11. Question

12. Question

13. Question

14. Question

15. Question

16. Question

17. Question

18. Question

19. Question

20. Question

21. Question

22. Question

23. Question

24. Question

25. Question

26. Question

27. Question

28. Question

29. Question

30. Question

31. Question

32. Question

33. Question

34. Question

35. Question

36. Question

37. Question

38. Question

39. Question

40. Question

41. Question

42. Question

43. Question

44. Question

45. Question

46. Question

47. Question

48. Question

49. Question

50. Question

51. Question

52. Question

53. Question

54. Question

55. Question

56. Question

57. Question

58. Question

59. Question

60. Question

Company

Trending Courses

Join Us

Support

Join our Mailing List

Receive updates on our upcoming courses, free webinars & promotions