// FULL-STACK APP · Side project · Developer
Quiz App
A cross-platform quiz app: build a question bank by category, then create random or custom quizzes and get scored.
FlutterSpring BootSpring Data JPAPostgreSQL
- platforms from one Flutter codebase (Android, iOS, web)
- 3
What it is
A quiz app with a Flutter frontend that runs on Android, iOS and the web, and a Spring Boot REST API on PostgreSQL. People build a shared question bank, then turn it into quizzes.
What I built
- A question bank: add questions with a category, difficulty, four options and the right answer, then browse them all or filter by category.
- Two ways to make a quiz: pick a category and a number of questions for a random quiz, or hand-pick questions for a custom quiz with its own title.
- Taking a quiz by its ID or title, then submitting answers to get a score.
- The API in Spring Boot with Spring Data JPA: endpoints for questions, quiz creation, fetching a quiz and scoring submissions.
- App polish: a custom app icon and a native splash screen.
Code
- Frontend: Quiz-App-Flutter-Frontend
- Backend: Quiz-App-Spring-Boot-Backend
Why it matters
It was an end-to-end build by me: the data model and REST API on the server, and one Flutter client for mobile and the web.
Screens
Splash screen
Landing page
Home: add questions, browse them, or create and take a quiz
Add a question with category, difficulty, options and answer
Browse every question, with a category picker
Questions filtered by category
Create a random quiz from a category
Name a custom quiz built from hand-picked questions
Find a quiz by its ID
Find a quiz by its title
Taking a quiz
The score at the end
