flutter_inapp_purchase #

A comprehensive Flutter plugin for implementing in-app purchases on iOS and Android platforms.

🚀 Key Features #

• Cross-platform: Works seamlessly on both iOS and Android
• StoreKit 2 Support: Full StoreKit 2 support for iOS 15.0+ with automatic fallback
• Billing Client v8: Latest Android Billing Client features
• Type-safe: Complete TypeScript-like support with Dart strong typing
• Comprehensive Error Handling: Detailed error codes and user-friendly messages
• Subscription Management: Advanced subscription handling and validation
• Receipt Validation: Built-in receipt validation for both platforms

📦 Installation #

Add to your pubspec.yaml:

dependencies:
  flutter_inapp_purchase: ^6.0.0-rc.1

🔧 Quick Start #

import 'package:flutter_inapp_purchase/flutter_inapp_purchase.dart';

// Initialize connection
await FlutterInappPurchase.instance.initConnection();

// Get products
final products = await FlutterInappPurchase.instance.getProducts(['product_id']);

// Request purchase
await FlutterInappPurchase.instance.requestPurchase(
  RequestPurchase(
    ios: RequestPurchaseIosProps(sku: 'product_id'),
    android: RequestPurchaseAndroidProps(skus: ['product_id']),
  ),
  PurchaseType.inapp,
);

📚 Documentation #

For comprehensive documentation, guides, API reference, and examples, visit:

🌐 flutter-inapp-purchase.hyo.dev

Quick Links #

• Getting Started - Installation and setup
• Purchase Guide - Complete purchase implementation
• API Reference - Full API documentation
• Examples - Working code examples
• Migration Guide - Upgrading from v5.x

🎯 Platform Support #

🚨 Breaking Changes in v6.0.0-rc.1 #

⚠️ This is a release candidate with significant breaking changes

• ErrorCode enum values changed to lowerCamelCase (e.g., E_USER_CANCELLED → eUserCancelled)
• Channel access changed from static to instance member
• Platform-specific code now uses mixin architecture

See the Migration Guide for detailed upgrade instructions.

🤝 Community & Support #

• GitHub Issues: Report bugs and feature requests
• Discussions: Join community discussions
• Stack Overflow: Ask questions
• Slack: Join our community

🔧 ProGuard Configuration #

If you have enabled ProGuard, add these rules to your proguard-rules.pro:

# In app Purchase
-keep class com.amazon.** {*;}
-keep class dev.hyo.** { *; }
-keep class com.android.vending.billing.**
-dontwarn com.amazon.**
-keepattributes *Annotation*

📄 License #

MIT License - see LICENSE file for details.

☕ Support #

If this plugin helps you, consider buying me a coffee: