Flutter for Beginners

Form

Having a FormFieldWidget helps us access and validate its information individually. But, to address the problem of having too many fields, we can use the Form widget. The Form widget groups the FormFieldWidget instances logically, allowing us to perform operations including accessing field information and validating it in a more straightforward manner.

The Form widget allows us to run the following methods on all descendant fields easily:

• save(): This will call all FormField instances' save method and will work as before. This is like a batch saving of all the fields.
• validate(): This will call all FormField instances' validate method, causing all the errors to appear all at once.
• reset(): This will call all FormField instances'