🔐 Password Manager App

📝 Overview

A secure password manager application built with Jetpack Compose and Kotlin, designed to store and manage credentials locally with robust security features. The app leverages modern Android architecture components and provides a user-friendly interface for password management.

✨ Features

• 📋 Add, View, Edit, and Delete Passwords: Use intuitive bottom sheet dialogs for all password operations.
• 🔒 Secure Encryption: Passwords are encrypted using AES with the Android Keystore for enhanced security.
• 💾 Room Database: Local storage of credentials using Room for efficient and reliable data persistence.
• 👆 Device Authentication: Supports fingerprint, PIN, pattern, and password authentication for secure app access.
• 📊 Password Strength Meter: Visual indicator to assess password strength during creation or editing.
• 🎲 Password Generation: Generate strong, random passwords within the app.
• 👁️ Toggle Password Visibility: Show or hide passwords in add/edit and details screens for user convenience.
• 🎨 Modern UI: Built with Jetpack Compose for a responsive and dynamic interface.
• 🏗️ MVVM Architecture: Clean separation of concerns for maintainability and testability.
• ⚡ Kotlin Coroutines and Flow: Reactive data updates for seamless UI performance.

📱 Requirements

• 🤖 Android SDK: API 23 (Marshmallow) or higher
• 📐 Kotlin: Version 1.9.0 or later
• 🧩 Jetpack Compose: For declarative UI
• 🗄️ Room Database: For local data storage
• 📚 AndroidX Libraries: Including Biometric, DataStore, and Lifecycle components
• 🛠️ Android Studio: Arctic Fox (2020.3.1) or later for optimal compatibility

📥 Installation

1. 📂 Clone the repository:

   git clone https://github.com/ideepaknishadd/PasswordManager.git

2. 📱 Open the project in Android Studio.
3. 🔄 Sync the project with Gradle to download dependencies.
4. ▶️ Build and run the app on an emulator or physical device (API 23+).

🔍 Usage

1. 🚀 Launch the App: View the splash screen, then authenticate using fingerprint, PIN, pattern, or password if "Device Authentication" is enabled (default).
2. 🏠 Home Screen: View the list of saved passwords. If no passwords are saved, a centered "No passwords saved yet" message appears.
3. ➕ Add Password: Click the Floating Action Button (FAB) to open the Add Dialog and create a new password.
4. 👀 View Details: Click a password in the list to open the Password Details Bottom Sheet, showing account type, username, and password.
5. ✏️ Edit or Delete: In the Password Details Bottom Sheet, edit the password (opens Edit Dialog) or delete it (opens Delete Dialog).
6. 👁️ Toggle Visibility: In Add/Edit and Password Details screens, toggle password visibility to show or hide the password.
7. 🔐 Device Authentication Toggle: In the Home Screen's top bar, enable/disable authentication using the "Device Authentication" switch.

📸 Screenshots

Below are screenshots of the app's key screens.

1. 🏁 Splash Screen

• Description: Displays the app's splash screen on launch, introducing the Password Manager.

2. 🔒 Authentication Prompt

• Description: Shows the system-provided authentication prompt when the app launches, if "Device Authentication" is enabled. Supports fingerprint, or device credentials (PIN, pattern, password).
• Screenshot: Not included as Appearance varies by Android version and device.

3. 🏠 Home Screen (Empty)

• Description: Displays "No passwords saved yet" centered on the screen when no passwords are stored. Includes a top bar with "Password Manager" title and "Device Authentication" toggle, and a FAB.

4. ➕ Add Dialog

• Description: A bottom sheet for adding passwords, with fields for account type, username, and password, a password strength meter, a generate password button, and a toggle for password visibility.

5. 📋 Home Screen (With Data)

• Description: Shows the password list in a LazyColumn with PasswordItem cards (bold account name, "****", gray arrow icon). Includes the top bar and FAB.

6. 🔍 Password Details

• Description: A bottom sheet showing details of a selected password (account type, username, password) with buttons to edit or delete, and a toggle for password visibility.

7. ✏️ Edit Dialog

• Description: A bottom sheet for editing passwords, pre-filled with existing data, including fields for account type, username, and password, a password strength meter, a generate password button, and a toggle for password visibility.

8. 🗑️ Delete Dialog

• Description: A confirmation bottom sheet for deleting a password, showing "Confirm Deletion" and "Are you sure you want to delete the account '[accountType]'?" with "Yes, Delete" and "Cancel" buttons.

👨‍💻 Developer Information

• 👤 Developer: Deepak Nishad
• 📂 GitHub: github.com/ideepaknishadd
• 📞 Contact: +916351387915
• 📧 Email: ideepaknishadd@gmail.com

🤝 Contributing

This is an open-source project, and contributions are welcome! To contribute:

• 🍴 Fork the repository
• 🌿 Create a feature branch (git checkout -b feature/YourFeature)
• 💾 Commit changes (git commit -m "Add YourFeature")
• 📤 Push to the branch (git push origin feature/YourFeature)
• 🔍 Open a Pull Request

Please follow the project's Kotlin and Jetpack Compose conventions.

📜 License

This project is licensed under the MIT License. See the LICENSE file for details.

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Engineered with ❤️ by Deepak Nishad