📱 Contact Book

A modern Android Contacts Management Application built with Kotlin, Jetpack Compose, Room Database, and MVVM Architecture. The app helps users manage contacts efficiently with real-time search, direct calling support, and a clean modern UI.

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✨ Features

• ➕ Add New Contacts
• 📋 View All Contacts
• ✏️ Edit Existing Contacts
• 🗑️ Delete Contacts
• 🔍 Live Search (Real-time Search)
• 📞 Direct Call Integration
• 🎨 Colorful Avatar Initials
• 📂 Alphabetical Contact Grouping
• ⚡ Reactive UI Updates
• 🏗️ Modern MVVM Architecture

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🛠️ Tech Stack

• Kotlin
• Jetpack Compose
• Material 3
• Room Database
• MVVM Architecture
• Repository Pattern
• Coroutines
• StateFlow
• Android Intents

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🏗️ Architecture

ContactEntity
↓
ContactDao
↓
ContactDatabase
↓
Repository
↓
ViewModel (StateFlow)
↓
Compose UI

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📂 Project Structure

com.chotu.contactsbook

├── data
│   ├── dao
│   ├── database
│   └── entity
│
├── repository
│
├── viewmodel
│
├── ui
│   ├── screens
│   └── components

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📸 Screenshots

📸 Screenshots

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🧠 What I Learned

• Room Database Integration
• Modern MVVM Architecture
• Repository Pattern
• StateFlow
• Reactive UI Updates
• Android Intents
• Live Search Implementation
• CRUD Operations
• Clean Project Structure

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🚀 Installation

Clone Repository

git clone https://github.com/IronMan0208/Contacts-Book.git

Open Project

Open the project in Android Studio.

Run App

Build and run on an Emulator or Physical Device.

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🔮 Future Improvements

• ⭐ Favourite Contacts
• 🌙 Dark Mode
• 📤 Share Contact
• ☁️ Cloud Backup
• 🖼️ Profile Images

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👨‍💻 Author

Ajay Kumar

Android Developer passionate about building modern Android applications using Kotlin, Jetpack Compose, MVVM Architecture, Room Database, and Clean Code principles.

🔗 GitHub: https://github.com/IronMan0208

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⭐ Support

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