CypherX

A secure and user-friendly password manager app built with Jetpack Compose that allows users to store and manage their passwords in a secure and organized manner.

           

Functional Requirements

• Add Password: Users can securely add new passwords by providing details such as the account type (e.g., Gmail, Facebook, Instagram), username/email, and password.
• View/Edit Password: Users can view and edit existing passwords, including account details like username/email and password.
• Show List of Passwords on Home Screen: The home screen of the application displays a list of all saved passwords, showing essential details for each entry.
• Delete Password: Users can delete passwords.

Technical Requirements

• Encryption: Implement strong encryption algorithms (e.g., AES, RSA) to secure password data.
• Database: Use a secure database (e.g., SQLite, Room) to manage encrypted passwords locally on the device.
• User Interface: Design a clean and intuitive user interface for managing passwords.
• Input Validation: Implement validation to ensure that mandatory fields are not empty.
• Error Handling: Properly handle errors and edge cases to ensure a smooth user experience.

Bonus Features (Optional)

• Security Feature: When the user opens the app, prompt them to authenticate using biometric (e.g., fingerprint, face ID) or a PIN screen for added security.
• Password Strength Meter: Provide a visual indicator of password strength to help users create strong passwords.
• Password Generation: Provide a feature to generate strong, random passwords for new accounts.

Tech Stack Used

• Minimum SDK level 24.
• Kotlin based, utilizing Coroutines + Flow for asynchronous operations.
• Jetpack Libraries:
  • Jetpack Compose: Android’s modern toolkit for declarative UI development.
  • Lifecycle: Observes Android lifecycles and manages UI states upon lifecycle changes.
  • ViewModel: Manages UI-related data and is lifecycle-aware, ensuring data survival through configuration changes.
  • Koin: Facilitates dependency injection.
• Architecture:
  • MVI Architecture (Model - View - Intent): Facilitates separation of concerns and promotes maintainability.
  • Repository Pattern: Acts as a mediator between different data sources and the application's business logic.
• Kotlinx-Serialization: A modern JSON parsing library.
• Voyager: A modern and robust navigation library.
• Room-DB: Persistence library in Android Jetpack that simplifies the process of working with SQLite databases.
• Coil: An image loading library for Android backed by Kotlin Coroutines.
• Jsoup: Java library that simplifies working with real-world HTML and XML.

Compiling and Running an App from Android Studio

Prerequisites

• Android Studio installed
• Basic knowledge of Android development
• Some patience

Setting Up Android Studio

1. Install Android Studio

   • Download Android Studio from the official Android Developer website.
   • Follow the installation instructions for your operating system.

2. Downloading this project

   • Open Android Studio.
   • Click on Get from VCS.
   • Copy the url of this github repo.
   • Place the url inside URL field and hit Clone.

Running the App

1. Connect a Device or Start an Emulator

   • Connect your Android device via USB and enable USB debugging in the developer options.
   • Alternatively, you can use an emulator:
     • Click on AVD Manager (Device Manager) in Android Studio.
     • Create a new virtual device and start it.

2. Run the App

   • Click on the green Run button in the toolbar or press Shift + F10.
   • Select the device/emulator from the list and click OK.
   • The app will build and install on the selected device/emulator.