🎓 Student Manager App

A modern Android application built using Kotlin, Jetpack Compose, Room Database, MVVM Architecture, Kotlin Flow, and StateFlow.

The application allows users to manage student records with complete CRUD (Create, Read, Update, Delete) functionality while providing automatic UI updates through a reactive architecture.

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✨ Features

Student Management

• ➕ Add New Students
• 📋 View All Students
• ✏️ Edit Student Details
• 🗑️ Delete Students
• 🔄 Real-Time UI Updates

Database

• 💾 Local Data Persistence with Room Database
• 📦 Structured Data Storage
• ⚡ Fast Data Access

Architecture

• 🏗️ MVVM Architecture
• 📦 Repository Pattern
• 🔄 Reactive Programming with Flow & StateFlow
• 🎯 Separation of Concerns
• ⚡ Automatic UI Synchronization

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🛠 Tech Stack

Technology	Purpose
Kotlin	Programming Language
Jetpack Compose	Modern UI Toolkit
Material 3	UI Components
Room Database	Local Storage
MVVM	Architecture Pattern
Repository Pattern	Data Layer Management
Coroutines	Asynchronous Operations
Flow	Reactive Data Stream
StateFlow	UI State Management

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📂 Project Architecture

UI (Compose)
      │
      ▼
ViewModel
      │
      ▼
StateFlow
      │
      ▼
Repository
      │
      ▼
DAO
      │
      ▼
Room Database

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🗄️ Database Schema

StudentEntity

@Entity(tableName = "students")
data class StudentEntity(

    @PrimaryKey(autoGenerate = true)
    val id: Int = 0,

    val name: String,

    val course: String,

    val semester: Int
)

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🔥 CRUD Operations

Create

Add new student records.

Read

Display all students stored in the database.

Update

Edit and update existing student information.

Delete

Remove students from the database.

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⚡ Reactive Architecture

This project uses Kotlin Flow and StateFlow for reactive UI updates.

Data Flow

Room Database
      ↓
Flow
      ↓
Repository
      ↓
StateFlow
      ↓
Compose collectAsState()
      ↓
Automatic UI Updates

Whenever data changes in the database:

• Insert Student
• Update Student
• Delete Student

The UI updates automatically without manually refreshing data.

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🧠 Key Concepts Practiced

• Room Database Integration
• MVVM Architecture
• Repository Pattern
• ViewModel & ViewModel Factory
• State Management
• Coroutines
• Kotlin Flow
• StateFlow
• CRUD Operations
• Reactive Programming
• Modern Android Development

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🚀 Getting Started

Clone Repository

git clone https://github.com/IronMan0208/Student-Manager.git

Open Project

Open the project in Android Studio.

Run Application

Build and run on an Emulator or Physical Device.

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📸 Screenshots

🌟 Splash Screen

🏠 Main Screen

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🔮 Future Enhancements

• 🔍 Search Students
• 📊 Student Statistics Dashboard
• 🌙 Dark Mode Support
• 🏷️ Course-Based Filtering
• 📅 Admission Date Tracking
• ☁️ Firebase Integration
• 🔐 User Authentication
• 📤 Export Student Data

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👨‍💻 Author

Ajay Kumar

Android Developer focused on building modern Android applications using Kotlin, Jetpack Compose, Room Database, MVVM Architecture, Flow, and Clean Architecture principles.

GitHub: https://github.com/IronMan0208

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⭐ Support

If you found this project useful, please consider giving it a ⭐ on GitHub.