flutx_core #

Flutter Packages Showcase #

A comprehensive collection of production-ready Flutter packages for modern app development.

📦 Packages Included #

🔍 Flutter Validators #

Comprehensive validation rules for forms and data validation.

Features:

• Email validation with RFC compliance
• Strong password validation with customizable rules
• International phone number support
• Credit card validation with Luhn algorithm
• URL validation with protocol checking
• Custom validator builder

Installation: ```bash flutter pub add flutter_validators ```

Usage: ```dart TextFormField( validator: Validators.email(), decoration: InputDecoration(labelText: 'Email'), ) ```

🎨 Flutter Text Styles #

Semantic typography system with responsive design and theme integration.

Features:

• Semantic typography system
• Responsive text scaling
• Dark/light theme support
• Material Design 3 integration
• Text extension methods

Installation: ```bash flutter pub add flutter_text_styles ```

Usage: ```dart Text('Headline', style: AppTextStyles.headlineLarge) Text('Body text', style: AppTextStyles.bodyMedium) ```

🔐 Flutter Secure Storage Services #

Encrypted storage with multiple strategies and authentication helpers.

Features:

• AES-256 encryption
• Multiple storage backends
• Biometric authentication
• Cache with TTL support
• Authentication helpers

Installation: ```bash flutter pub add flutter_secure_storage_services ```

Usage: ```dart final storage = SecureStorageService(); await storage.store('key', 'encrypted_value'); final value = await storage.retrieve('key'); ```

📝 Flutter String Extensions #

Powerful string manipulation and utilities.

Features:

• Email, URL, phone validation
• Case conversion utilities
• Data extraction helpers
• Null-safe string operations
• Regular expression helpers

Installation: ```bash flutter pub add flutter_string_extensions ```

Usage: ```dart '[email protected]'.isEmail; // true 'hello world'.titleCase; // 'Hello World' 'long text'.truncate(10); // 'long text...' ```

📏 Flutter App Sizes #

Consistent spacing and responsive design system.

Features:

• Consistent spacing system
• Responsive design utilities
• Widget extension methods
• Easy-to-use syntax
• Accessibility compliance

Installation: ```bash flutter pub add flutter_app_sizes ```

Usage: ```dart Container( padding: AppSizes.paddingMd.all, margin: AppSizes.marginLg.horizontal, decoration: BoxDecoration( borderRadius: AppSizes.radiusLg.all, ), ) ```

🚀 Getting Started #

1. Install the packages you need: ```bash flutter pub add flutter_validators flutter_text_styles flutter_secure_storage_services flutter_string_extensions flutter_app_sizes ```

2. Import in your Dart files: ```dart import 'package:flutter_validators/flutter_validators.dart'; import 'package:flutter_text_styles/flutter_text_styles.dart'; import 'package:flutter_secure_storage_services/flutter_secure_storage_services.dart'; import 'package:flutter_string_extensions/flutter_string_extensions.dart'; import 'package:flutter_app_sizes/flutter_app_sizes.dart'; ```

3. Start using the packages in your app!

📱 Demo App #

This repository includes a comprehensive demo app showcasing all packages. Run the demo to see interactive examples and code snippets.

```bash git clone https://github.com/your-username/flutter-packages-showcase.git cd flutter-packages-showcase flutter run ```

🤝 Contributing #

Contributions are welcome! Please read our contributing guidelines and submit pull requests for any improvements.

📄 License #

This project is licensed under the MIT License - see the LICENSE file for details.

Flutter Text Styles Package #

A comprehensive and customizable text styling package for Flutter applications with semantic styles, responsive design, and theme integration.

Features #

• 🎨 Semantic Styling - Display, Headline, Title, Body, and Label styles
• 📱 Responsive Design - Automatic text scaling based on screen size
• 🔧 Highly Customizable - Support for multiple font families and colors
• 🚀 Developer Friendly - Extension methods for easy usage
• ♿ Accessibility Ready - WCAG compliant with proper contrast ratios

Quick Reference #

Font Sizes & Weights #

Usage Examples #

// Semantic usage (recommended)
Text('Welcome', style: AppTextStyles.headlineLarge())
"Welcome".headlineLarge()

// With customization
Text('Error', style: AppTextStyles.bodyMedium(color: Colors.red))
"Error".bodyMedium(color: Colors.red)

// Size-based usage
"Large Text".lg()
"Small Text".sm()

// Custom styles
Text(
  'Custom Style',
  style: AppTextStyles.custom(
    fontSize: 20,
    fontWeight: FontWeight.w600,
    color: Colors.purple,
  ),
)