flutter_auto_form 0.3.0

A package simplifying the process of creating user friendly forms in Flutter

Flutter Auto Form

The easiest way to create fully customizable forms with only a tiny amount of code.

Installation

To use this plugin, add flutter_auto_form as a dependency in your pubspec.yaml file.

pubspec.yaml

dependencies:
  flutter:
    sdk: flutter

  # Your other packages  ...

  flutter_auto_form: ^0.3.0

Support

• Platforms: All platforms currently supported
• Autofill hints: Automatic support through AFTextFieldType
• Validators: Email, Url, Hex colour, Not null, Minimum string length, Same as another field, Alphanumeric.
• Fields: Password (auto obscure toggle), Text, Number, Model (built-in support for search through an api), Boolean, Sub-form (cascading forms), Select (dropdown field allowing only predefined values)
• Custom code: You can customize and create new fields, validators, widgets as you please without even touching the source code of this package !

Example

The following gif illustrates some things you can realize with this package.

The source code is located in the example folder.

Usage

The first step in creating a form with Flutter Auto Form is to create a class inheriting from the TemplateForm class.

import 'package:flutter_auto_form/flutter_auto_form.dart';

import 'package:flutter_auto_form/flutter_auto_form.dart';

class LoginForm extends TemplateForm {
  @override
  final List<Field> fields = [
    AFTextField(
      id: 'identifier',
      name: 'Identifier',
      validators: [
        MinimumStringLengthValidator(
          5,
              (e) => 'Min 5 characters, currently ${e?.length ?? 0} ',
        )
      ],
      type: AFTextFieldType.USERNAME,
    ),
    AFTextField(
      id: 'password',
      name: 'Password',
      validators: [
        MinimumStringLengthValidator(
          6,
              (e) => 'Min 6 characters, currently ${e?.length ?? 0} ',
        )
      ],
      type: AFTextFieldType.PASSWORD,
    ),
    AFBooleanField(
      id: 'accept-condition',
      name: 'Accept terms',
      validators: [ShouldBeTrueValidator('Please accept terms to continue?')],
      value: false,
    )
  ];
}

The second & (already) last step is to add the AFWidget wherever you would like to display a form.

AFWidget<RegistrationForm>(
  formBuilder: () => RegistrationForm(),
  submitButton: (Function({bool showLoadingDialog}) submit) => Padding(
    padding: const EdgeInsets.only(top: 32),
    child: MaterialButton(
      child: Text('Submit'),
      onPressed: () => submit(showLoadingDialog: true),
    ),
  ),
  onSubmitted: (RegistrationForm form) {
    // do whatever you want when the form is submitted
    print(form.toMap());
  },
);

The AFTextField and AFNumberField are the only two fields available by defaults for the time being.

Advanced usage

If you need to create your own field (date field, color field, ...) you can always create it by overriding the Field class. Then override the buildField method of the AFThemeData class and wrap your top level widget with a AFTheme widget to which you give your customized AFThemeData as argument.

This package is still under construction ! Do not hesitate to create an issue on the GitHub page if you find any bug or if you would like to see a new type of validator, field coming. And if you are that motivated if you would gladly review & accept your PR !