This iOS SwiftUI application represents the final capstone project for the Meta iOS Developer Professional Certificate program. The Little Lemon Food Ordering App provides a modern, intuitive dining experience for users to explore menu items and place orders seamlessly.
📂 Little-Lemon-Food-Ordering-App/
│
├── 📂 LittleLemonApp/
│ ├── 📂 Assets.xcassets/
│ │ ├── AppIcon.appiconset/
│ │ ├── Logo.imageset/
│ │ ├── hero-image.imageset/
│ │ └── menu-item-images/
│ ├── 📂 CoreData/
│ │ ├── Persistence.swift
│ │ ├── UserDataManager.swift
│ │ └── LittleLemonModel.xcdatamodeld
│ ├── 📂 Models/
│ │ ├── MenuItem.swift
│ │ ├── MenuCategory.swift
│ │ └── UserProfile.swift
│ ├── 📂 ViewModels/
│ │ ├── MenuViewModel.swift
│ │ ├── UserViewModel.swift
│ │ └── OrderViewModel.swift
│ ├── 📂 Views/
│ │ ├── Onboarding/
│ │ │ ├── OnboardingView.swift
│ │ │ └── RegistrationForm.swift
│ │ ├── Home/
│ │ │ ├── HomeView.swift
│ │ │ ├── HeaderView.swift
│ │ │ ├── HeroSection.swift
│ │ │ └── CategoryFilter.swift
│ │ ├── Menu/
│ │ │ ├── MenuView.swift
│ │ │ ├── MenuItemCard.swift
│ │ │ └── MenuDetailView.swift
│ │ ├── Profile/
│ │ │ ├── ProfileView.swift
│ │ │ └── ProfileForm.swift
│ │ └── Components/
│ │ ├── PrimaryButton.swift
│ │ ├── LittleLemonTextField.swift
│ │ └── RatingView.swift
│ ├── 📂 Utilities/
│ │ ├── Constants.swift
│ │ ├── Extensions.swift
│ │ └── Validators.swift
│ ├── LittleLemonApp.swift
│ └── Styles.swift
│
├── 📂 Design Assets/
│ ├── Canvas_Wireframe.fig
│ ├── Canvas_Wireframe_Final.fig
│ ├── PG_LittleLemon_StyleGuide.pdf
│ ├── my-style-guide.pdf
│ └── my-wireframe.pdf
│
├── 📂 Screenshots/
│ ├── Onboarding.png
│ ├── Home.png
│ ├── Profile.png
│ └── Menu Detail.png
│
├── 📜 README.md
└── 📜 LittleLemonApp.xcodeproj
- Hero Banner with promotional content
- Dynamic Menu Categories (Starters, Mains, Desserts, Drinks)
- Featured Items section with visual highlights
- Quick Order functionality for popular items
- Onboarding Flow with user registration
- Profile Management with persistent storage
- Order History tracking
- Favorite Items bookmarking system
- Menu Browsing with detailed item views
- Cart Management with real-time updates
- Order Summary with pricing breakdown
- Checkout Process with confirmation
- Data Persistence using Core Data
- Form Validation for user inputs
- Responsive Design for all iOS devices
- Dark/Light Mode support
- Programmatic Navigation with NavigationStack
- Dynamic Layouts using VStack, HStack, and ZStack
- Custom Modifiers for reusable styling
- Gesture Recognizers for interactive elements
- Animation & Transitions for smooth UX
- Core Data Models with relationships
- UserDefaults for lightweight storage
- ViewModels for business logic separation
- Data Binding with @State, @Binding, @ObservedObject
┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐
│ Views │ │ ViewModels │ │ Models │
│ │ │ │ │ │
│ • SwiftUI Views │◄──►│ • Business Logic│◄──►│ • Data Models │
│ • Components │ │ • State Mgmt │ │ • Core Data │
│ • UI Layout │ │ • Networking │ │ • Structures │
└─────────────────┘ └─────────────────┘ └─────────────────┘
│ │ │
└────────────────────────┼────────────────────────┘
│
┌───────────────┐
│ Services │
│ │
│ • Persistence │
│ • Validation │
│ • Utilities │
└───────────────┘
- LittleLemonApp.swift - App entry point and main configuration
- MainTabView.swift - Root navigation structure
- Persistence.swift - Core Data stack management
- MenuViewModel.swift - Central business logic for menu operations
struct LittleLemonColors {
static let primaryGreen = Color(hex: "#495E57")
static let primaryYellow = Color(hex: "#F4CE14")
static let secondaryOrange = Color(hex: "#EE9972")
static let secondaryBeige = Color(hex: "#FBDABB")
static let highlightWhite = Color(hex: "#EDEFEE")
static let highlightBlack = Color(hex: "#333333")
}- Headlines: Markazi Text Bold (64pt, 40pt)
- Subtitles: Karla Regular (40pt, 24pt)
- Body Text: Karla Regular (20pt, 16pt)
- Navigation: Karla Medium (20pt)
struct Spacing {
static let xs: CGFloat = 4
static let sm: CGFloat = 8
static let md: CGFloat = 16
static let lg: CGFloat = 24
static let xl: CGFloat = 32
static let xxl: CGFloat = 48
}- Xcode 14+ (Recommended: Xcode 15)
- iOS 16.0+ deployment target
- Swift 5.9+ programming language
- macOS 13.0+ for development
-
Clone the repository
git clone https://github.com/Willie-Conway/Little-Lemon-Food-Ordering-App.git
-
Navigate to project directory
cd Little-Lemon-Food-Ordering-App -
Open project in Xcode
open LittleLemonApp.xcodeproj
-
Configure signing
- Select your team in Signing & Capabilities
- Or use "Personal Team" for simulator testing
-
Build and Run
- Select target device/simulator
- Press
⌘ + Ror click Run button - Wait for build to complete
- Connect iOS device via USB
- Select device from Xcode device menu
- Trust developer certificate on device
- Build and run as usual
- Form Validation: Real-time input validation
- Data Persistence: Saves user profile to Core Data
- Navigation Control: Conditional navigation based on onboarding completion
- Error Handling: User-friendly error messages
- Hero Section: Dynamic promotional content
- Category Filters: Interactive filtering system
- Menu Grid: Responsive grid layout
- Search Functionality: Real-time menu search
- Editable Form: In-place editing of user details
- Data Binding: Two-way binding with Core Data
- Image Picker: Profile photo selection
- Preference Settings: Dietary preferences and notifications
- Image Gallery: Swipeable image carousel
- Ingredient List: Expandable ingredient details
- Nutrition Facts: Modal nutrition information
- Add to Cart: Quantity selector with price calculation
- Update
MenuData.jsonin Resources folder - Add new images to Assets.xcassets
- Run data import in MenuViewModel
Edit Styles.swift:
extension Color {
static let littleLemonGreen = Color("PrimaryGreen")
// Add custom colors here
}- Create new View in
Views/directory - Add corresponding ViewModel if needed
- Update navigation in
MainTabView.swift - Add necessary assets and localization
- ViewModel logic testing
- Model validation tests
- Utility function tests
- Navigation flow testing
- User interaction testing
- Form validation testing
- Onboarding flow completion
- Profile data persistence
- Menu filtering functionality
- Cart management operations
- Checkout process
- App state restoration
struct UserProfile {
var firstName: String
var lastName: String
var email: String
var phoneNumber: String
var profileImage: Data?
var dietaryPreferences: [String]
var orderHistory: [Order]
}struct MenuItem: Identifiable {
let id = UUID()
let name: String
let description: String
let price: Double
let category: MenuCategory
let imageName: String
let ingredients: [String]
let nutrition: NutritionInfo
let isFeatured: Bool
}struct Order: Identifiable {
let id = UUID()
let items: [OrderItem]
let totalAmount: Double
let orderDate: Date
let status: OrderStatus
let deliveryAddress: String?
}✅ Complete iOS App with 4 main screens
✅ Core Data Integration for persistent storage
✅ Custom UI Components with reusable design
✅ Form Validation with user feedback
✅ Responsive Design for all iOS devices
✅ Professional Code Structure following best practices
✅ App Store Ready packaging and configuration
- iPhone 15 Pro Max (6.7")
- iPhone 15 (6.1")
- iPhone SE (4.7")
- iPad Pro 12.9"
- iPad Air 10.9"
- iPad Mini 8.3"
- Portrait mode (Primary)
- Landscape mode (Adaptive)
- SwiftUI - UI framework
- Core Data - Data persistence
- Combine - Reactive programming
- Foundation - Core functionality
This project uses only Apple's built-in frameworks, ensuring:
- No package manager requirements
- Easy compilation and distribution
- Apple platform compatibility
- Long-term maintenance simplicity
- State Management - Implemented @StateObject and @EnvironmentObject
- Data Persistence - Used Core Data with SwiftUI integration
- UI Consistency - Created custom modifier system
- Navigation Complexity - Implemented NavigationStack with programmatic control
- Modular Architecture - Separated concerns with clear boundaries
- Code Reusability - Custom components and modifiers
- Error Handling - Comprehensive error catching and user feedback
- Performance Optimization - Lazy loading and efficient data fetching
While this is a capstone project, improvements are welcome:
- Fork the repository
- Create a feature branch (
git checkout -b feature/enhancement) - Commit changes (
git commit -m 'Add enhancement') - Push to branch (
git push origin feature/enhancement) - Open a Pull Request
For technical issues or questions:
- Check existing GitHub Issues
- Create a new issue with:
- Detailed description
- Steps to reproduce
- Device/iOS version
- Screenshots if applicable
- Meta iOS Developer Program for curriculum and guidance
- Coursera Platform for course delivery
- Apple Developer Documentation for comprehensive resources
- SwiftUI Community for shared knowledge and patterns
This project is licensed under the MIT License - see the LICENSE file for details.
Enjoy your meal with Little Lemon! 🍋✨
Project Completed: Dec 15, 2023 Last Updated: Jan 28, 2025 Xcode Version: 15.2 Swift Version: 5.9