Bookshelf is an eCommerce app where user can select any of these profile types Admin, Seller, Customer. Firebase is used for authentication,realtime database and image storage.Other frameworks like Glide, Crop image library and Material edit text are used for better user interactions.

• Customer can select any desired products from various categories.
• Customer can also search the name or category of the product.
• Products are added to added to cart where quantity can be updated.
• Once all the desired products are finalized customer can confirm the order by updating address and payment mode.
• Customer can view placed orders and can update information.
  

• Seller can search for all his products.
• Seller can also add new products by selecting product's category.
• All the new orders details which are related to seller are displayed.
• Seller can update shop's information if required.
  

• The main use of Admin Panel is to check if any unusual order/product is added to the database.
• Statistics like online users, online sellers, total orders, total products, orders today and sales today.
• All the activities/state of Customers can be viewed in real-time.
• List of all Sellers, Customers, Products and Orders.