Flutter General

Form validation – Flutter

Hello viewers how are you , I hope you are doing well. Aim of this article is to learn you how to use validations in Flutter’s mobile application and this will be client side. Before any user submits data to the server, it is important for us to ensure that the required form controls are filled in in the correct format. This is called client-side form validation, which helps ensure that the submitted data matches the requirements set out in the various form controls. This article takes you through the basic concepts and examples of client-side form validation.

What is client-side form validation

When building any application, it is very important that we take security seriously, especially when it comes to collecting sensitive data from users. when it comes to validating form values, it can be done both client-side (web browser) and server-side (using your preferred server-side language).

Client-side form validation happens on the browser side (it can be on your laptop, phone or even your refrigerator). This means that validation happens before form data is submitted to the server.

Build a form with validation In Flutter

As we saw above, form validation is an integral part of any applications, and is also an essential tool in any mobile application developer’s . With the advent of Flutter and its growing popularity, so we’ll explore how form validation works in Flutter and alternative ways to make it work better.

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