![]() Inside the build method of this class, we have added some custom style and use the TextFormField widget to provide the form fields such as name, phone number, date of birth, or just a normal field. This key holds a FormState and can use to retrieve the form widget. Inside this class, we define a global key as _formKey. In this code snippet, we have created a custom class named M圜ustomForm. First, create a Flutter project and replace the following code in the main.dart file. This widget renders a material design text field and also allows us to display validation errors when they occur. The form widget uses child widget TextFormField to provide the users to enter the text field. This key uniquely identifies the form and allows you to do any validation in the form fields. ![]() When you create a form, it is necessary to provide the GlobalKey. The form widget acts as a container, which allows us to group and validate the multiple form fields. Creating Formįlutter provides a Form widget to create a form. A form can contain text fields, buttons, checkboxes, radio buttons, etc. They can perform many tasks, which depend on the nature of your business requirements and logic, such as authentication of the user, adding user, searching, filtering, ordering, booking, etc. It is mainly used to interact with the app as well as gather information from the users. ![]() Forms are an integral part of all modern mobile and web applications. ![]()
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