Build android app

Build an android app for order management. Features needed: 1. Customer portal, driver portal and admin portal. 2. Database (based on firebase). 3. GPS tracking system. 4. Menu system. 5. User friendly User Interface(similar to Dominos). Admin portal features: 1. Items management(add, edit, remove) in menu, tagging system on items(best, most selling and custom tag). 2. Manage customer and driver details(add, edit, remove, temporary ban, permanent ban). 3. Order details(address, phone number, email, order history, completed orders or pending order details from driver portal). 4. Add, edit, remove customer and driver app layout(hamburger menu). 5. Maintenance mode(Order shutdown system when food is out of stock, overall maintenance of the app). 6. Notification push system for customers(When the app is shut down or re-opened for orders, customer should get the notification, delayed rating notification, offer/custom notifications) Driver portal features: 1. All order details tab(address, phone number, contact less or direct delivery, GPS location of customer integrated to Google maps by one click similar to Uber app). 2. Delivery confirmation button/slider to complete the order and show pending orders if any. Customer portal features: 1. Registration, login and logout, profile modification(address, phone number, email), order history. 2. Display items from menu and search box. 3. Add to cart, quantity, promo-code and checkout system(opt in for contact less delivery checkbox) 4. Payment system. 5. Order tracking system which will show assigned driver's location and their details(phone number). 6. Hamburger menu. 7. Rating system(order rating, driver rating, overall rating).