Flutter Mobile App Development - Flutter Mobile App Dev – Lecture 05: Building a Complete Expense Tracker App with Flutter & Riverpod

Flutter Mobile App Development – Lecture 05: Building a Complete Expense Tracker App with Flutter & Riverpod 🎓 Course: Flutter Mobile App Development 👨‍🏫 Instructor: Dr. Abbas Malik 🏛 University: Prince Sultan University – College of Computer & Information Sciences 💡 Perfect for beginners in Flutter or anyone looking to strengthen their UI/UX layout skills in mobile development! 🔹 Course GitHub Repository: 📂 All course materials, code examples, and projects: https://github.com/mgmalik/flutterappdev In this comprehensive hands-on tutorial, we build a fully functional Expense Tracking Application from start to finish! Follow along as we implement a production-ready finance management app with local data persistence, state management, and a polished user interface using Flutter and Riverpod. 🔹 What We Build: ✅ Complete Expense Management System • Add, view, and delete expense records • Track amount, payee, date, category, and tags • Persistent storage with automatic data saving ✅ Category & Tag Management • Create and manage custom expense categories • Add and organize expense tags • Real-time updates across the entire app ✅ Multi-Tab Dashboard • By Date View: Chronological expense listing • By Category View: Grouped expenses with automatic categorization • Tab navigation with smooth transitions ✅ Advanced Features • Date picker integration for expense recording • Dropdown menus for category/tag selection • Alert dialogs for adding new categories/tags • Drawer navigation for app management • Clean UI with consistent theming and constants 🔹 Technical Implementation: • State Management: Riverpod with AsyncNotifier for reactive state • Local Storage: shared_preferences with JSON serialization • Data Models: Expense, Category, and Tag with proper serialization • Provider Architecture: Clean separation with dedicated providers • UI Components: Reusable widgets for maintainable code 🔹 App Architecture: text lib/ ├── models/ # Data models (Expense, Category, Tag) ├── providers/ # Riverpod providers (AsyncNotifier) ├── services/ # LocalStorageService ├── pages/ # Screens (Home, AddExpense, ManageCategories/Tags) ├── widgets/ # Reusable UI components ├── constants.dart # App-wide styling constants └── main.dart # App entry point 🔹 Key Features Demonstrated: • Persistent Data Storage: Expenses survive app restarts • Reactive UI: Real-time updates when adding/deleting records • Form Validation: Proper input handling and error management • Navigation: Multi-screen app with drawer and tab navigation • Clean Code: Professional architecture patterns and best practices 🔹 Packages Used: • flutter_riverpod: ^2.4.9 – State management • shared_preferences: ^2.2.2 – Local storage • intl: ^0.19.0 – Date formatting • uuid: ^4.2.0 – Unique ID generation 🎓 Course: IS487 – Emerging Topics in Information Systems 👨‍🏫 Instructor: Dr. Abbas Malik 🏛 University: Prince Sultan University – College of Computer & Information Sciences 💡 Perfect for developers who want to: • Learn professional Flutter app architecture • Master Riverpod state management in practice • Implement local data persistence with JSON • Build complete, production-ready applications • Understand clean code principles and reusable components ________________________________________ #Flutter #Riverpod #ExpenseTracker #StateManagement #LocalStorage #SharedPreferences #FlutterTutorial #AppDevelopment #MobileDevelopment #Dart #Programming #PSU #IS487 #FinanceApp #CodingTutorial #CompleteApp