🐱 Cat Search App（SwiftUI × CoreData）

📱 Overview

This is a simple iOS app that allows users to search for cat images and save their favorites.
The app is built with a focus on clean UI and intuitive user experience.

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🚀 Features

• Search cat images using API
• Display loading state with ProgressView
• Show detailed information of each cat
• Add and remove favorites (CoreData)
• Favorites list view
• Swipe to delete favorites
• Empty state UI when no favorites are added

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🛠️ Tech Stack

• SwiftUI
• CoreData
• MVVM Architecture
• AsyncImage

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📸 Screenshots

検索画面

詳細画面（お気に入りボタン付き）

お気に入り一覧

空状態UI

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📌 Architecture

This app follows the MVVM architecture pattern:

• View: UI representation
• ViewModel: Business logic and state management
• Model: API response and CoreData entities

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💡 Key Points

🔹 CoreData Integration

• Used @FetchRequest to automatically update the favorites list
• Managed NSManagedObjectContext via Environment

🔹 UI/UX Design

• Favorite button placed on top of the image for intuitive interaction
• Clear loading indication using ProgressView
• Empty state UI to guide user actions

🔹 Clean Architecture

• Separated search logic and favorite logic into different ViewModels
• Improved maintainability and readability

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🔧 Future Improvements

• Improve breed information display
• Add sorting functionality for favorites
• UI enhancements (e.g. Dark Mode support)

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🧑‍💻 Author

GitHub: https://github.com/taka-sakamoto