Develop a comprehensive food delivery and ordering application using Flutter and Firebase, inspired by popular platforms like FoodPanda, Uber Eats, Swiggy, and Zomato. Learn to create both the customer-facing mobile app for iOS and Android, as well as an admin web portal. Master essential features such as user authentication, menu management, order processing, real-time tracking, and payment integration. Explore advanced topics including geolocation services, image handling, local data storage with SharedPreferences, and cloud storage with Firebase. Gain hands-on experience in implementing tab bar navigation, form validation, dialog boxes, and progress indicators to enhance the user experience. By the end of this extensive tutorial, you'll have the skills to build a fully functional, cross-platform food delivery system with a robust backend infrastructure.