Job offersCompaniesTestsBlogI'm an employerSign upLog in
fr
fr
Home>IT Tests>Questions>Mobile developer

331 interview questionsfor Mobile developer (2025)

Test your technical skills before an interview of Mobile developer with 331 corrected questions. Beginner, Intermediate or Expert level.

or
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
331
To review
0
331 questions
Easy
17 votes1961 runs0 comment

List the different build modes in Flutter

Mobile developer
build
modes
Clément Devos (W3D Team)at Jan 4, 2022
Easy
9 votes1945 runs0 comment

Explain the difference between the `main` and `runApp` methods in Flutter.

Mobile developer
flutter
main
runApp
Clément Devos (W3D Team)at Jan 4, 2022
Hard
9 votes757 runs0 comment

How to flatten a list of lists in Kotlin

Mobile developer
list
map
Anonymous authorat Jan 18, 2022
Easy
8 votes1778 runs0 comment

Explain the difference between the *final* and *const* keywords in Flutter.

Mobile developer
flutter
const
final
Clément Devos (W3D Team)at Jan 4, 2022
Hard
8 votes459 runs2 comments

How flexbox works in React Native?

Mobile developer
flexbox
react native
Davidat Sep 6, 2023
Easy
7 votes2004 runs
6 comments

What is Dash?

Mobile developer
dart
flutter
Clément Devos (W3D Team)at Jan 4, 2022
Hard
6 votes1753 runs0 comment

How to communicate with Android/ iOS code with Flutter?

Mobile developer
flutter
android
ios
Clément Devos (W3D Team)at Jan 4, 2022
Easy
5 votes1895 runs0 comment

Explain the difference between a Hot Restart and a Hot Reload in Flutter.

Mobile developer
flutter
hot reload
hot restart
Clément Devos (W3D Team)at Jan 4, 2022
Expert
5 votes1857 runs1 comment

What is the BuildContext used for in Flutter?

Mobile developer
flutter
widgets
buildcontext
Clément Devos (W3D Team)at Jan 4, 2022
Easy
5 votes1783 runs0 comment

What are the different types of Dart Streams?

Mobile developer
dart
streams
Clément Devos (W3D Team)at Jan 4, 2022
Hard
5 votes1704 runs0 comment

How to make a Text widget display a double yellow highlight in Flutter

Mobile developer
flutter
theme
Clément Devos (W3D Team)at Jan 4, 2022
Easy
5 votes684 runs0 comment

Kotlin: Compile the following code and see the error.

Mobile developer
kotlin
null
Anonymous authorat Jan 18, 2022
Easy
5 votes683 runs1 comment

Write a function that returns the maximum of two integers in Kotlin

Mobile developer
functions
kotlin
Anonymous authorat Jan 18, 2022
Hard
5 votes480 runs0 comment

Write a React Native animation that spins an image.

Mobile developer
react native
animation
component
Victor Sabatierat Dec 2, 2021
Easy
5 votes400 runs2 comments

What is the purpose of a RecyclerView in Android?

Mobile developer
list
adapter
Nicolas Laurentat Nov 29, 2021
Hard
4 votes1736 runs0 comment

What are Dart Isolates?

Mobile developer
dart
isolates
Clément Devos (W3D Team)at Jan 4, 2022
Hard
4 votes1040 runs0 comment

What are Semantics in Flutter?

Mobile developer
flutter
widgets
Clément Devos (W3D Team)at Jan 4, 2022
Hard
4 votes883 runs2 comments

What are the differences between the Offstage Widget and Opacity?

Mobile developer
flutter
widget
opacity
Clément Devos (W3D Team)at Jan 4, 2022
Expert
4 votes392 runs1 comment

How to define a component in React Native?

Mobile developer
react
react-native
components
Davidat Sep 6, 2023
Easy
3 votes1790 runs1 comment

What is the `??=` operator for in Flutter?

Mobile developer
operators
null
Clément Devos (W3D Team)at Aug 26, 2024
Mobile developer tests