🧠 QuizTime – Interactive Quiz & Learning App

🖼️ Screenshots

Home Screen	Quiz Screen	Result	Full Result Questions

QuizTime is a modern Android quiz application built using Jetpack Compose, Clean Architecture, Koin for Dependency Injection, and Ktor for network communication.
The backend API is self-developed using Ktor Server, which can be deployed on Railway or any other hosting platform.

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🚀 Tech Stack

🧩 Android (Client)

• Kotlin
• Jetpack Compose – Modern declarative UI toolkit
• Clean Architecture – Separation of concerns (Domain, Data, Presentation)
• Koin – Dependency Injection
• Local Storage - Room Database
• Ktor Client – For API communication
• Coroutines & Flow – For asynchronous programming
• Material 3 – For beautiful UI design

🖥 Backend (Server)

• Ktor Server (Kotlin)
• MongoDB – NoSQL database
• Koin (Server) – For DI
• Deployed using Railway

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📁 Project Structure

QuizTime/
│
├── app/
│ └── src/main/java/com/google/codelab/quiztime/
│ ├── di/ # Dependency injection (Koin modules)
│ ├── domain/ # Business logic layer
│ │ ├── model/ # Data models (QuizQuestions, Topics, Answers)
│ │ ├── repository/ # Repository interfaces
│ │ └── utils/ # Domain utilities
│ ├── data/ # Data layer
│ │ ├── local/ # Local database (Room / DataStore)
│ │ ├── remote/ # Ktor API client
│ │ ├── repository/ # Repository implementations
│ │ └── utils/ # Constants, error handling
│ ├── presentation/ # UI layer (Jetpack Compose)
│ │ ├── dashboard/ # Main quiz dashboard
│ │ ├── quiz_screen/ # Quiz questions screen
│ │ ├── result_screen/ # Result and summary screen
│ │ ├── issue_report/ # Report issues
│ │ ├── navigation/ # App navigation setup
│ │ └── theme/ # Compose theme and colors
│ └── MainActivity.kt # App entry point