bharatvalidator 1.0.1 
bharatvalidator: ^1.0.1 copied to clipboard
🇮🇳 India-first Flutter form validation package with 30+ validators. Covers Aadhaar, PAN, GST, IFSC, UPI, Driving License, Passport, Voter ID etc.
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:bharatvalidator/bharatvalidator.dart';
void main() => runApp(const BharatValidatorExampleApp());
class BharatValidatorExampleApp extends StatelessWidget {
const BharatValidatorExampleApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'BharatValidator Demo',
debugShowCheckedModeBanner: false,
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(
seedColor: const Color(0xFFFF6B00),
primary: const Color(0xFFFF6B00),
),
useMaterial3: true,
inputDecorationTheme: InputDecorationTheme(
border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
),
),
home: const ValidatorDemoPage(),
);
}
}
// ── Data Model ───────────────────────────────────────────────────────────────
class _ValidatorItem {
final String label;
final String hint;
final String category;
final TextInputType keyboard;
final bool obscure;
final String? Function(String?) validator;
const _ValidatorItem({
required this.label,
required this.hint,
required this.category,
required this.validator,
this.keyboard = TextInputType.text,
this.obscure = false,
});
}
// ── Main Page ────────────────────────────────────────────────────────────────
class ValidatorDemoPage extends StatefulWidget {
const ValidatorDemoPage({super.key});
@override
State<ValidatorDemoPage> createState() => _ValidatorDemoPageState();
}
class _ValidatorDemoPageState extends State<ValidatorDemoPage> {
final _formKey = GlobalKey<FormState>();
final _searchCtrl = TextEditingController();
BharatLocale _locale = BharatLocale.english;
late BharatValidator _v;
String _searchQuery = '';
bool _showSearch = false;
// Controllers map
final Map<String, TextEditingController> _controllers = {};
late List<_ValidatorItem> _allItems;
@override
void initState() {
super.initState();
_v = BharatValidator(locale: _locale);
_buildItems();
}
void _buildItems() {
_allItems = [
// 👤 Personal Info
_ValidatorItem(label: 'Full Name', hint: 'Rahul Sharma', category: '👤 Personal Info', validator: _v.name),
_ValidatorItem(label: 'Username', hint: 'rahul_123', category: '👤 Personal Info', validator: _v.username),
_ValidatorItem(label: 'Mobile Number', hint: '9876543210', category: '👤 Personal Info', validator: _v.phone, keyboard: TextInputType.phone),
_ValidatorItem(label: 'Landline', hint: '02212345678', category: '👤 Personal Info', validator: _v.landline, keyboard: TextInputType.phone),
_ValidatorItem(label: 'Email', hint: 'rahul@gmail.com', category: '👤 Personal Info', validator: _v.email, keyboard: TextInputType.emailAddress),
_ValidatorItem(label: 'Password', hint: 'Min 8 chars, A-z, 0-9, @', category: '👤 Personal Info', validator: _v.password, obscure: true),
_ValidatorItem(label: 'Date of Birth', hint: 'DD/MM/YYYY', category: '👤 Personal Info', validator: (v) => _v.dob(v, minAge: 18)),
// 🪪 Government IDs
_ValidatorItem(label: 'Aadhaar Number', hint: '2345 6789 0123', category: '🪪 Government IDs', validator: _v.aadhaar, keyboard: TextInputType.number),
_ValidatorItem(label: 'PAN Number', hint: 'ABCDE1234F', category: '🪪 Government IDs', validator: _v.pan),
_ValidatorItem(label: 'Voter ID', hint: 'ABC1234567', category: '🪪 Government IDs', validator: _v.voterId),
_ValidatorItem(label: 'Passport', hint: 'A1234567', category: '🪪 Government IDs', validator: _v.passport),
_ValidatorItem(label: 'Driving License', hint: 'GJ0120200123456', category: '🪪 Government IDs', validator: _v.drivingLicense),
_ValidatorItem(label: 'Ration Card', hint: 'GJ123456789012', category: '🪪 Government IDs', validator: _v.rationCard),
// 🏢 Tax & Business
_ValidatorItem(label: 'GST Number', hint: '27AAPFU0939F1ZV', category: '🏢 Tax & Business', validator: _v.gst),
_ValidatorItem(label: 'TAN Number', hint: 'PDES03028F', category: '🏢 Tax & Business', validator: _v.tan),
_ValidatorItem(label: 'CIN Number', hint: 'U67190TN2014PTC096978',category: '🏢 Tax & Business', validator: _v.cin),
_ValidatorItem(label: 'FSSAI License', hint: '12345678901234', category: '🏢 Tax & Business', validator: _v.fssai, keyboard: TextInputType.number),
_ValidatorItem(label: 'Udyam Number', hint: 'UDYAM-MH-01-0012345', category: '🏢 Tax & Business', validator: _v.udyam),
_ValidatorItem(label: 'RERA Number', hint: 'UPRERAPRJ123456', category: '🏢 Tax & Business', validator: _v.rera),
// 🏦 Banking & Finance
_ValidatorItem(label: 'IFSC Code', hint: 'SBIN0001234', category: '🏦 Banking & Finance', validator: _v.ifsc),
_ValidatorItem(label: 'UPI ID', hint: 'name@paytm', category: '🏦 Banking & Finance', validator: _v.upi),
_ValidatorItem(label: 'Bank Account', hint: '1234567890', category: '🏦 Banking & Finance', validator: _v.bankAccount, keyboard: TextInputType.number),
_ValidatorItem(label: 'Card Number', hint: '4111 1111 1111 1111', category: '🏦 Banking & Finance', validator: _v.cardNumber, keyboard: TextInputType.number),
_ValidatorItem(label: 'MICR Code', hint: '400002009', category: '🏦 Banking & Finance', validator: _v.micr, keyboard: TextInputType.number),
_ValidatorItem(label: 'EPF Account', hint: 'MH/BAN/0012345/000/001', category: '🏦 Banking & Finance', validator: _v.epf),
_ValidatorItem(label: 'SWIFT/BIC Code', hint: 'SBININBB', category: '🏦 Banking & Finance', validator: _v.swift),
_ValidatorItem(label: 'Amount (₹)', hint: '5000', category: '🏦 Banking & Finance', validator: (v) => _v.amount(v, min: 1, max: 1000000), keyboard: TextInputType.number),
// 🏥 Health
_ValidatorItem(label: 'ABHA Number', hint: '12345678901234 or name@abdm', category: '🏥 Health', validator: _v.abha),
// 📍 Address & Vehicle
_ValidatorItem(label: 'Pincode', hint: '380001', category: '📍 Address & Vehicle', validator: _v.pincode, keyboard: TextInputType.number),
_ValidatorItem(label: 'Vehicle Number', hint: 'GJ01AB1234', category: '📍 Address & Vehicle', validator: _v.vehicle),
// 📞 Others
_ValidatorItem(label: 'Toll-free Number', hint: '1800-123-4567', category: '📞 Others', validator: _v.tollFree, keyboard: TextInputType.phone),
_ValidatorItem(label: 'Website URL', hint: 'https://example.com', category: '📞 Others', validator: _v.url, keyboard: TextInputType.url),
_ValidatorItem(label: 'OTP (6-digit)', hint: '123456', category: '📞 Others', validator: (v) => _v.otp(v, length: 6), keyboard: TextInputType.number),
];
// Init controllers
for (final item in _allItems) {
_controllers.putIfAbsent(item.label, () => TextEditingController());
}
}
void _changeLocale(BharatLocale locale) {
setState(() {
_locale = locale;
_v = BharatValidator(locale: locale);
_buildItems();
});
}
List<_ValidatorItem> get _filteredItems {
if (_searchQuery.isEmpty) return _allItems;
return _allItems.where((item) =>
item.label.toLowerCase().contains(_searchQuery.toLowerCase()) ||
item.category.toLowerCase().contains(_searchQuery.toLowerCase())
).toList();
}
Map<String, List<_ValidatorItem>> get _groupedItems {
final map = <String, List<_ValidatorItem>>{};
for (final item in _filteredItems) {
map.putIfAbsent(item.category, () => []).add(item);
}
return map;
}
@override
void dispose() {
_searchCtrl.dispose();
for (final c in _controllers.values) c.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: _showSearch
? TextField(
controller: _searchCtrl,
autofocus: true,
style: const TextStyle(color: Colors.white),
cursorColor: Colors.white,
decoration: const InputDecoration(
hintText: 'Search validators...',
hintStyle: TextStyle(color: Colors.white70),
border: InputBorder.none,
),
onChanged: (v) => setState(() => _searchQuery = v),
)
: const Text('🇮🇳 BharatValidator Demo'),
backgroundColor: Theme.of(context).colorScheme.primary,
foregroundColor: Colors.white,
actions: [
IconButton(
icon: Icon(_showSearch ? Icons.close : Icons.search),
onPressed: () {
setState(() {
_showSearch = !_showSearch;
if (!_showSearch) {
_searchCtrl.clear();
_searchQuery = '';
}
});
},
),
PopupMenuButton<BharatLocale>(
icon: const Icon(Icons.language),
tooltip: 'Change Language',
onSelected: _changeLocale,
itemBuilder: (_) => const [
PopupMenuItem(value: BharatLocale.english, child: Text('🇬🇧 English')),
PopupMenuItem(value: BharatLocale.hindi, child: Text('🇮🇳 Hindi')),
PopupMenuItem(value: BharatLocale.gujarati, child: Text('🟠 Gujarati')),
],
),
],
),
body: Column(
children: [
// Stats bar
Container(
color: Theme.of(context).colorScheme.primary.withOpacity(0.08),
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
child: Row(
children: [
const Icon(Icons.verified, size: 16, color: Color(0xFFFF6B00)),
const SizedBox(width: 6),
Text(
'${_filteredItems.length} validators • 3 languages',
style: TextStyle(
fontSize: 12,
color: Theme.of(context).colorScheme.primary,
fontWeight: FontWeight.w500,
),
),
],
),
),
Expanded(
child: Form(
key: _formKey,
child: ListView(
padding: const EdgeInsets.all(16),
children: [
..._groupedItems.entries.map((entry) => Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_SectionHeader(entry.key),
...entry.value.map((item) => _ValidatorField(
item: item,
controller: _controllers[item.label]!,
)),
const SizedBox(height: 8),
],
)),
const SizedBox(height: 16),
FilledButton.icon(
onPressed: () {
if (_formKey.currentState!.validate()) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('✅ All validations passed!'),
backgroundColor: Colors.green,
),
);
}
},
icon: const Icon(Icons.check_circle_outline),
label: const Text('Validate All Fields', style: TextStyle(fontSize: 16)),
style: FilledButton.styleFrom(
padding: const EdgeInsets.symmetric(vertical: 16),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
),
),
const SizedBox(height: 32),
],
),
),
),
],
),
);
}
}
// ── Validator Field with Copy Button ─────────────────────────────────────────
class _ValidatorField extends StatelessWidget {
final _ValidatorItem item;
final TextEditingController controller;
const _ValidatorField({required this.item, required this.controller});
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.only(bottom: 12),
child: TextFormField(
controller: controller,
validator: item.validator,
obscureText: item.obscure,
keyboardType: item.keyboard,
decoration: InputDecoration(
labelText: item.label,
hintText: item.hint,
suffixIcon: item.obscure
? null
: IconButton(
icon: const Icon(Icons.copy, size: 18),
tooltip: 'Copy hint',
onPressed: () {
Clipboard.setData(ClipboardData(text: item.hint));
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Copied: ${item.hint}'),
duration: const Duration(seconds: 1),
behavior: SnackBarBehavior.floating,
),
);
},
),
),
),
);
}
}
// ── Section Header ────────────────────────────────────────────────────────────
class _SectionHeader extends StatelessWidget {
final String title;
const _SectionHeader(this.title);
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.only(bottom: 12, top: 4),
child: Row(
children: [
Container(
width: 4,
height: 20,
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.primary,
borderRadius: BorderRadius.circular(2),
),
),
const SizedBox(width: 8),
Text(
title,
style: Theme.of(context).textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.bold,
color: Theme.of(context).colorScheme.primary,
),
),
],
),
);
}
}Metadata
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Metadata
🇮🇳 India-first Flutter form validation package with 30+ validators. Covers Aadhaar, PAN, GST, IFSC, UPI, Driving License, Passport, Voter ID etc.
Repository (GitHub)
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License
MIT (license)