A beautifully designed, fully-featured expense tracking application built with the latest Android technologies. Perfect for developers looking for a solid foundation to build upon or learn modern Android development practices.

Core Functionality

• Expense Management: Add, view, and delete expenses with intuitive UI
• Categories: 9 predefined expense categories (Food, Entertainment, Transportation, etc.)
• Date Selection: Material3 date picker for expense dates
• Real-time Analytics: Dynamic charts and statistics
• Export Capabilities: Save data as CSV or PDF to any location

Modern UI/UX

• Material Design 3: Latest design system implementation
• Smooth Animations: Item scaling, typewriter text effects, chart animations
• Responsive Layout: Optimized for different screen sizes
• Dark/Light Theme: Follows system theme preferences
• Navigation: Bottom navigation with proper state management

Data & Storage

• Local Database: Room database for offline-first experience
• Storage Access Framework: Modern file saving (Android 12+ compliant)
• Data Export: CSV and PDF generation with user-chosen save locations
• Data Persistence: Automatic data backup and recovery

Tech Stack

• Language: Kotlin 2.2.10
• UI Framework: Jetpack Compose (BOM 2025.01.00)
• Architecture: MVVM + Repository Pattern
• Dependency Injection: Koin 4.0.3
• Database: Room 2.7.2
• Navigation: Navigation Compose 2.9.5
• PDF Generation: iText7 9.3.0
• CSV Export: OpenCSV 5.12.0
• Charts: Custom Compose implementations (no AndroidView)

Enhancement Ideas

Immediate Improvements

• User Authentication: Firebase Auth integration
• Cloud Sync: Firebase Firestore for multi-device sync
• Recurring Expenses: Schedule automatic entries
• Budget Tracking: Set and monitor spending limits
• Receipt Scanning: ML Kit text recognition
• Currency Support: Multiple currency handling
• Data Backup: Cloud backup options

Advanced Features

• Expense Splitting: Share expenses with others
• Investment Tracking: Portfolio management
• Bill Reminders: Push notifications
• Location Tagging: GPS-based expense tracking
• Voice Input: Speech-to-text for quick entry
• Smart Categorization: ML-based auto-categorization
• Financial Insights: AI-powered spending analysis

UI/UX Enhancements

• Onboarding Flow: Welcome screens for new users
• Themes: Multiple color schemes
• Widgets: Home screen widgets
• Accessibility: Enhanced a11y support
• Tablet Layout: Optimized for larger screens
• Gesture Navigation: Swipe actions
• Advanced Filters: Date ranges, amount filters