📈 SwiftUI-Crypto-MVVM-CoreData-Combine

• This iOS app provides up-to-date information on cryptocurrency and allows users to create their own portfolio.
• Written in SwiftUI and utilizing the MVVM architecture, the app fetches live price data from Coingecko API and leverages Combine and Core Data for data persistence.
• With multi-threading and published/subscriber functionality, this app offers a seamless user experience for cryptocurrency enthusiasts.

🎮 App Functionality

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• On the main screen, the application shows up-to-date data of all cryptocurrencies.
• Clicking on any currency will open a window with all the data of the currency and line chart that display price data.
• By clicking the right arrow button, the user will go to the portfolio screen.
• The user can add coins to the portfolio by clicking the + button.
• The list of coins can be sorted by rank, price and holdings.
• The user can search in the main list and in the list of the portfolio coins by the name of the coin and the symbol of the coin.

⚙️ Technical features:

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• MVVM Architecture
• Coingecko API (multiple API calls)
• Codable (decoding JSON data)
• Combine (publishers and subscribers)
• Core Data (saving current user's portfolio)
• FileManager (saving images)
• Multi-threading (using background threads)
• Safe coding!!! ("if let" and "guard" statements to avoid crashes)
• 100% SwiftUI interface
• Live cryptocurrency data
• Saving current user's portfolio
• Searching, Filtering, Sorting, and Reloading data
• Custom color theme and loading animations

⚙️ Preview:

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Home

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Detail Stock

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My Portfolio

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Clear

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