Cellphone Validator

A powerful and easy-to-use Flutter package for validating and formatting international phone numbers. Includes a customizable country code picker and provides detailed information for hundreds of countries. Screenshot 1 Screenshot 2 Screenshot 3

Features

Real-time Validation: Instantly check if a phone number is valid as the user types.
Automatic Formatting: Applies the correct formatting mask to the phone number automatically.
Integrated Country Picker: A clean UI widget that combines a country code dropdown with the phone number input field.
Reactive Controller: Built with a ValueNotifier-based controller to easily listen for changes to the phone number's validity and value.
Rich Country Data: Includes country names (with translations), ISO codes, dial codes, and flag emojis.

Getting Started

To start using the package, add the cellphone_validator dependency to your pubspec.yaml file:

dependencies:
  flutter:
    sdk: flutter
  cellphone_validator: ^<latest-version> # Replace with the latest version

Then, run flutter pub get in your terminal to install the package.

Features

🌐 Supported Languages

ar, de, en, es, fr, hi, id, it, ja, ko, pt, ru, ur — and more coming soon.

🧩 Widgets

Widget	Description
PhoneSummaryView	A read-only widget that displays a fully formatted phone number, including the country code. Useful for showing validated numbers in a summary or review screen.
PhoneInputSelectorView	An interactive widget that allows users to select a country from a dropdown and enter a phone number. Includes input formatting and real-time validation based on the selected country's phone rules.
PhoneAutoDetectView	An intelligent phone input widget that automatically detects the country based on the dial code entered. It formats the number accordingly and provides real-time validation feedback.

Export List

cellphone_validator

path :package:cellphone_validator/cellphone_validator.dart
Description: Main package entry point. Re-exports all core classes, models, and widgets for easy access.

country_manager

path :package:cellphone_validator/src/controllers/country_manager.dart
Description: Provides logic for managing and retrieving supported countries.

country

path :package:cellphone_validator/src/controllers/country_manager.dart
Description: Defines the Country model, which includes dial codes, masks, and display data.

phone_validator

path :package:cellphone_validator/src/controllers/phone_validator.dart
Description: Core validator logic that checks if phone numbers are valid according to country-specific rules.

phone_auto_detect_view

path :package:cellphone_validator/src/view/phone_auto_detect_view/phone_auto_detect_view.dart
Description: Widget that auto-detects the country from the phone number and validates it.

phone_input_selector_view

path :package:cellphone_validator/src/view/phone_input_selector_view/phone_input_selector_view.dart
Description: Widget that allows manual country selection and phone input with validation.

phone_summary_view

path :package:cellphone_validator/src/view/phone_text_view/phone_summary_view.dart
Description: Widget that displays a phone number with formatting.

How to Use

1. Initialize

import the main package:

import 'package:cellphone_validator/cellphone_validator.dart';

Create your main app widget as usual:

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

Create a PhoneValidator to manage phone validation and state.

 PhoneValidator phoneValidator = PhoneValidator(lang: 'en');

4. Build the UI Using Provided Widgets

Use the package’s widgets like PhoneInputSelectorView, PhoneSummaryView, and PhoneAutoDetectView to build your UI. For example:

/**
 *  How to use PhoneInputSelectorView
 * **/
PhoneInputSelectorView(phoneValidator: phoneValidator),

/**
 *  How to use PhoneSummaryView
 * **/
PhoneSummaryView(phoneValidator: phoneValidator, fullPhoneNumber: phoneValidator.phone.replaceAll('+', ''),)

/**
 *  How to use PhoneAutoDetectView
 * **/
 
PhoneAutoDetectView(phoneValidator: phoneValidator.value, fullPhoneNumber: ''),

How to check if some value is true or false


    ListenableBuilder(
      listenable: phoneValidator.isValidPhoneNotifier,
      builder: (context, _) {
      return phoneValidator.isValidPhoneNotifier.value
        ? 'trueAction'
          :'false action' 
      },
    ),

You can listen to the isValidPhoneNotifier within the controller to react to changes in the phone number's validity in real-time.

Summary

No need to load countries manually: The package handles it internally as a singleton.
Just initialize once with CellPhoneValidator.init().
Use the widgets with your PhoneValidator controller.
Switch languages on the fly using your language dropdown.

Testing Numbers

Country Code	Phone Number	Expected Validation	Country
+54	1123456789	Valid	Argentina
+1	2025550191	Valid	USA
+1	4165550123	Valid	Canada
+44	2079460958	Valid	UK
+49	30123456	Valid	Germany
+33	612345678	Valid	France
+34	612345678	Valid	Spain
+55	11912345678	Valid	Brasil
+52	5512345678	Valid	Mexico
+91	9123456789	Valid	India
+61	412345678	Valid	Australia
+81	7012345678	Valid	Japan
+82	1012345678	Valid	South Korea
+7	9123456789	Valid	Russia
+27	821234567	Valid	South Africa
+39	3123456789	Valid	Italy
+86	13812345678	Valid	China
+92	3001234567	Valid	Pakistan
+234	8031234567	Valid	Nigeria
+880	1712345678	Valid	Bangladesh
+20	1001234567	Valid	Egypt
+62	81234567890	Valid	Indonesia
+63	9171234567	Valid	Philippines
+66	812345678	Valid	Thailand
+966	501234567	Valid	Saudi Arabia
+98	9123456789	Valid	Iran
+60	123456789	Valid	Malaysia
+31	612345678	Valid	Netherlands
+48	500123456	Valid	Poland
+40	712345678	Valid	Romania
+380	501234567	Valid	Ukraine
+56	912345678	Valid	Chile
+57	3001234567	Valid	Colombia
+51	912345678	Valid	Peru
+58	4121234567	Valid	Venezuela
+213	512345678	Valid	Algeria
+244	912345678	Valid	Angola
+229	61234567	Valid	Benin
+267	71234567	Valid	Botswana
+226	61234567	Valid	Burkina Faso
+257	61234567	Valid	Burundi
+237	61234567	Valid	Cameroon
+238	61234567	Valid	Cape Verde
+242	2221234567	Valid	Congo
+243	81234567	Valid	Congo - Kinshasa
+253	61234567	Valid	Djibouti
+236	61234567	Valid	Central African Republic
+240	91234567	Valid	Equatorial Guinea
+291	61234567	Valid	Eritrea
+251	91234567	Valid	Ethiopia
+220	91234567	Valid	Gambia
+233	201234567	Valid	Ghana
+241	61234567	Valid	Gabon
+224	61234567	Valid	Guinea
+245	61234567	Valid	Guinea-Bissau
+254	71234567	Valid	Kenya
+269	61234567	Valid	Comoros
+225	61234567	Valid	Chad
+266	61234567	Valid	Lesotho
+231	61234567	Valid	Liberia
+218	61234567	Valid	Libya
+232	61234567	Valid	Malawi
+261	61234567	Valid	Madagascar
+265	61234567	Valid	Maldives
+223	61234567	Valid	Mali

Additional Information

Found a Bug or Have a Feature Request? Please file an issue on our GitHub repository.
Want to Contribute? We welcome pull requests! Feel free to fork the repository and submit your changes.
License: This package is licensed under the Apache 2.0 License. See the LICENSE file for more details.

Help this project

If you find this package helpful and want to support its development, consider making a donation. Thank you for your support!

Cellphone Validator

Features

Getting Started

Features

🌐 Supported Languages

🧩 Widgets

Export List

How to Use

1. Initialize

2. Set Up Your App Widget

3. Create a PhoneValidator Controller in Your Stateful Widget

4. Build the UI Using Provided Widgets

Summary

Additional Information

Help this project

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Libraries

cellphone_validator package