Read this article for step-by-step instructions on how to build your own custom field. To build your own field within a FormBuilder, we use FormBuilderField which will require that you define your own field. On another side, can access all field values without saving form with instantValuesĭebugPrint(_formKey.currentState?.instantValue.toString()) _formKey.currentState?.saveAndValidate() ĭebugPrint(_formKey.currentState?.value.toString()) Validator: pose([ĭecoration: const InputDecoration(labelText: 'Password'),Ĭolor: Theme.of(context).condary, See pub.dev example tab or github code for more details Specific uses # Validate and get values final _formKey = GlobalKey() ĭecoration: const InputDecoration(labelText: 'Email'), Print(val) // Print the text value write into TextField No specific setup required: only install the dependency and use :) Basic use # final _formKey = GlobalKey() ![]() The rest of the attributes will be determined by the type of Widget being used. transform TextField value for numeric field from String to num This event function will fire immediately the the field value changesįunction that transforms field value before saving to form value. This will form the key in the form value Mapĭetermines whether the field widget will accept user input.ĭefines the border, labels, icons, and styles used to decorate the field.Ī FormFieldValidator that will check the validity of value in the FormField In order to create an input field in the form, along with the label, and any applicable validation, there are several attributes that are supported by all types of inputs namely: Attribute
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