Flutter | How to Dynamically Add and Remove Multiple Input Fields With Validation — Dynamic Multi-Form

Flutter | How to Dynamically Add and Remove Multiple Input Fields With Validation — Dynamic Multi-Form — View

What Will You Learn?

• Add Multiple Forms Dynamically: Learn how to create and display multiple form fields on user interaction.
• Remove Forms Dynamically: Understand how to efficiently remove individual form fields without disrupting the UI.
• Apply Validation to Each Form Field: Ensure data integrity by adding real-time validation for all fields.
• Clear Each Form Field’s Data: Implement logic to reset individual forms when needed.
• Validate All Forms and Get Data on Submit: Combine form validations and retrieve data in a structured format for submission.

Creating the Contact Model in Flutter

class ContactModel {
  int? id;
  String? name;
  String? number;
  String? email;

  ContactModel({
    this.id,
    this.name,
    this.number,
    this.email,
  });
}

Create Common Form Widget

import 'package:flutter/material.dart';
import 'contact_model.dart';

class ContactFormItemWidget extends StatefulWidget {
  ContactFormItemWidget({
    super.key,
    required this.contactModel,
    required this.onRemove,
    this.index,
  });

  final index…