Form validation is an essential aspect of any application that accepts user input, and Flutter provides built-in support for validating forms. In Flutter, a form is a collection of input fields, such as text fields, dropdowns, and checkboxes, that are used to gather user input..

This Flutter e-commerce app integrates with the Fake Store API, offering features like infinite scrolling, product detail pages, search, user authentication, sorting, and a shopping cart. It uses state management and a service-oriented architecture for a responsive and maintainable codebase.