Simple Form Builder

pub package Platform

A complete form builder for all your needs is still under construction, this project was based on the following repositories:

Simple Json Builder : Tanmoy Karmakar Json Schema Form: Instituto Iracema


This library allows you to create a complete form from a json file with multiple types of fields text , checkbox, multiselect , date , time. This package also provides additional remark options.

It has been written 100% in Dart. ❤️


Add the following to your pubspec.yaml file:

  simple_json_form: ^0.0.1

Simple Usage

To integrate the Simple form builder all you need to do is follow the given JSON schema and pass it to the formBuilder widget

JSON Schema

// The complete sample is provided in the global folder that can be used as a reference

  "form": [
	  "key": "questions",
	  "properties": [
	      "key": "identifier_boat",
	      "fields": ["1", "2", "3", "4", "5"],
	      "title": "This is my title",
	      "description": "This is my description",
	      "remark": true,
	      "remark_label": "points",
	      "remark_title": "insert to points",
	      "type": "multiple",
	      "direction": "",
	      "is_mandatory": false,
	      "validations": {
              "message": "This is my message",
		      "length": {"min": 10, "max": 20}

Widget Implementation

import 'package:flutter/material.dart';
import 'package:simple_form_builder/formbuilder.dart';
import 'package:simple_form_builder/global/constant.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Json Form Example',
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Material App Bar'),
        body: SingleChildScrollView(
          child: Column(
            children: [
                jsonSchema: sampleData,
                title: "My Title",
                titleStyle: const TextStyle(
                  fontWeight: FontWeight.bold,
                  fontSize: 15,
                description: "My description",
                index: 0,
                imageUrl: fileUpload(),
                submitButtonText: 'Send',
                nextButtonText: 'Next',
                previousButtonText: 'Previous',
                onSubmit: (val) {
                  if (val == null) {
                    print("no data");
                  } else {
                    var json = jsonEncode(val.toJson());

Custom Usage

There are several options that allow for more control:

Properties Description
jsonSchema JSON Schema to use to generate the form.
crossAxisAlignment crossAxisAlignment to use general form
padding padding to use general form
title Title general to use the form
titleStyle title style to use title the form
description Description general to use the form
descriptionStyle Description style to use description form
submitButtonText To use for text the submit button
previousButtonText To use for text the previous button
nextButtonText To use for text the next button
index If the data contains mutiple forms passing the index of the form will show the question of that perticular form
onSubmit This function will take in the map value and pass it to the given function when submit button is pressed
loading widget to use loading form
validationTitle text for use dialog info
validationDescription text for use dialog info


View Github