![]() ![]() ![]() Validators support default errorText messages in these languages:Īnd you can still add your custom error messages. FormBuilderValidators.url() - requires the field's value to be a valid URL.FormBuilderValidators.required() - requires the field to have a non-empty value.FormBuilderValidators.numeric() - requires the field's value to be a valid number.FormBuilderValidators.equalLength() - requires the length of the field's value to be equal to the provided minimum length.FormBuilderValidators.minWordsCount() - requires the word count of the field's value to be greater than or equal to the provided minimum count.FormBuilderValidators.minLength() - requires the length of the field's value to be greater than or equal to the provided minimum length.FormBuilderValidators.min() - requires the field's value to be greater than or equal to the provided number.FormBuilderValidators.maxWordsCount() - requires the word count of the field's value to be less than or equal to the provided maximum count.FormBuilderValidators.maxLength() - requires the length of the field's value to be less than or equal to the provided maximum size.FormBuilderValidators.max() - requires the field's value to be less than or equal to the provided number.FormBuilderValidators.match() - requires the field's value to match the provided regex pattern.FormBuilderValidators.ip() - requires the field's value to be a valid IP address.FormBuilderValidators.integer() - requires the field's value to be an integer.FormBuilderValidators.equal() - requires the field's value to be equal to the provided object.FormBuilderValidators.email() - requires the field's value to be a valid email address.FormBuilderValidators.date() - requires the field's value to be a valid date string.FormBuilderValidators.creditCard() - requires the field's value to be a valid credit card number.URL, min, max, minLength, maxLength, minWordsCount, maxWordsCount, IP, credit card, etc., with default errorText messages. This package comes with several most common FormFieldValidators such as required, numeric, mail, Default error messages in several languages.Modify the default error message in a specific language.For example, FormBuilderValidators.required(context) becomes FormBuilderValidators.required() without context passed in. To migrate from v7 to v8, remove context as a parameter to validator functions. It provides standard ready-made validation rules and a way to compose new validation rules combining multiple rules, including custom ones.Īlso included is the l10n / i18n of error text messages to multiple languages. This function is triggered when the user press the "Sign Up" buttonįinal bool? isValid = _formKey.currentState?.Form Builder Validators set of validators for any FormField widget or widgets that extend the FormField class - e.g., TextFormField, DropdownFormField, et cetera. The complete code in main.dart with explanations: // main.dartĬonst MyApp() : super(key: createState() => _HomePageState() Please use Chrome, Edge, Firefox, or other web browsers instead. ![]() Note: If you’re using Safari, this demo video might not work nicely or not start at all. ![]()
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