custom_text_form_field_initial_value #

A customizable Flutter TextFormField widget with built-in validation and suffix icon handling.

Features #

✅ Aadhaar Validation
✅ PAN Validation
✅ IFSC Code Validation
✅ GSTIN Validation
✅ Password Field Support
✅ Initial Value Support
✅ Dynamic Suffix Icons (Loader, Verified, Failed, Password Toggle)
✅ Flexible Validators (PIN Code, Name, State, City, Address, Shop Name)
✅ Customizable UI
✅ Optional onTap Callback ✅ Bank account verification

Installation #

Add the following line to your pubspec.yaml under dependencies:

dependencies:
  custom_text_form_field_initial_value: ^0.1.1
import 'package:flutter/material.dart';
import 'package:custom_text_form_field_initial_value/custom_text_form_field_initial_value.dart';

class HomePage extends StatefulWidget {
  const HomePage({super.key});

  @override
  State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  final TextEditingController gstinController = TextEditingController();
  final TextEditingController nameController = TextEditingController();
  final TextEditingController mobileController = TextEditingController();
  final TextEditingController passwordController = TextEditingController();
  final TextEditingController pinCodeController = TextEditingController();
  final TextEditingController stateController = TextEditingController();
  final TextEditingController addressController = TextEditingController();
  final TextEditingController shopController = TextEditingController();
  final TextEditingController cityController = TextEditingController();

  final _formKey = GlobalKey<FormState>();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text("Custom TextFormField Example")),
      body: SafeArea(
        child: Padding(
          padding: const EdgeInsets.all(16.0),
          child: Form(
            key: _formKey,
            child: SingleChildScrollView(
              child: Column(
                children: [
                  CustomTextFormField_initialvalue(
                    controller: gstinController,
                    hintText: "Enter your GSTIN",
                    keyboardType: TextInputType.text,
                    isGstin: true,
                    borderColor: Colors.black,
                  ),
                  const SizedBox(height: 16),

                  CustomTextFormField_initialvalue(
                    controller: nameController,
                    hintText: "Enter your Name",
                    keyboardType: TextInputType.text,
                    isName: true,
                    borderColor: Colors.black,
                  ),
                  const SizedBox(height: 16),

                  CustomTextFormField_initialvalue(
                    controller: mobileController,
                    hintText: "Enter Mobile Number",
                    keyboardType: TextInputType.number,
                    isMobileNo: true,
                    borderColor: Colors.black,
                  ),
                  const SizedBox(height: 16),

                  CustomTextFormField_initialvalue(
                    controller: passwordController,
                    hintText: "Enter Password",
                    keyboardType: TextInputType.text,
                    isPassword: true,
                    borderColor: Colors.black,
                  ),
                  const SizedBox(height: 16),

                  CustomTextFormField_initialvalue(
                    controller: pinCodeController,
                    hintText: "Enter PIN Code",
                    keyboardType: TextInputType.number,
                    isPinCode: true,
                    borderColor: Colors.black,
                  ),
                  const SizedBox(height: 16),

                  CustomTextFormField_initialvalue(
                    controller: stateController,
                    hintText: "Enter State",
                    keyboardType: TextInputType.text,
                    isState: true,
                    borderColor: Colors.black,
                  ),
                  const SizedBox(height: 16),

                  CustomTextFormField_initialvalue(
                    controller: addressController,
                    hintText: "Enter Address",
                    keyboardType: TextInputType.text,
                    isAddress: true,
                    borderColor: Colors.black,
                  ),
                  const SizedBox(height: 16),

                  CustomTextFormField_initialvalue(
                    controller: shopController,
                    hintText: "Enter Shop Name",
                    keyboardType: TextInputType.text,
                    isShopName: true,
                    borderColor: Colors.black,
                  ),
                  const SizedBox(height: 16),

                  CustomTextFormField_initialvalue(
                    controller: cityController,
                    hintText: "Enter City",
                    keyboardType: TextInputType.text,
                    isCity: true,
                    borderColor: Colors.black,
                  ),
                  const SizedBox(height: 24),

                  ElevatedButton(
                    onPressed: () {
                      if (_formKey.currentState!.validate()) {
                        ScaffoldMessenger.of(context).showSnackBar(
                          const SnackBar(content: Text("Form submitted successfully")),
                        );
                      }
                    },
                    child: const Text("Submit"),
                  ),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }
}
GSTIN Field Example
Name Field Example
Password Field Example

<img src="https://raw.githubusercontent.com/rahul12332/custom_text_form_field_initial_value/main/assets/custom_form_image.png" width="300"/>


Contributions are welcome!
If you find a bug or want to suggest a feature, please open an issue or submit a pull request.
👉 Contribute on GitHub

🤝 Contributing

Contributions are welcome!  
If you find a bug or want to suggest a feature, please open an issue or submit a pull request.  
👉 [Contribute on GitHub](https://github.com/rahul12332/custom_text_form_field_initial_value)

### Code Contributors

[![Contributors](https://contrib.rocks/image?repo=rahul12332/custom_text_form_field_initial_value)](https://github.com/rahul12332/custom_text_form_field_initial_value/graphs/contributors)  
Amit Chandra | [https://github.com/rahul12332](https://github.com/rahul12332)