![]() The Flutter SDK provides us with an out-of-the-box widget and functionalities to make our lives easier when using form validation. Getting started with form validation in Flutter Using Regex methods and Dart extension methods.Getting started with form validation in Flutter.At the end of this blog post, you will be able to apply the concepts to all of your future app development projects. The aim of this article is to provide you with a grasp of how a neat and scalable implementation of form validation in Flutter works. With Flutter and its increasing popularity, we will explore how form validation works and alternative ways to make it work more efficiently. Flutter form validation: The complete guideĮditor’s note: This article was last updated on 25 February 2022 to include information for a more comprehensive guide to form validation in Flutter, including form validation with the Provider package, custom form fields, and Regex and Dart extension methods.įorm validation is an integral part of most applications, and an essential tool in the arsenal of any mobile application developer. You can find more details in the TextEditingController documentation.Īnd if you want to learn more about working with forms, check the official documentation on Ekemini Follow A graduate of University of Uyo and a tech enthusiast, Ekemini has been building for mobile for two years, with a particular focus on Kotlin and Flutter. ![]() With that said, TextEditingController gives you more fine-grained control and lets you get and set the text, which can be handy when you need to pre-fill a text field. I recommend using Form and TextFormField, as they give you some high-level APIs that make it easier to work text input, and they are better suited if you have multiple form fields on the same page.
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