http_sandbox_viewer 0.1.0

A Flutter package for debugging HTTP requests and responses with Swagger-like API definitions for Retrofit + Dio.

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

0.1.0 - 2025-06-07

Added

• 🎉 Initial Release - HTTP Sandbox Viewer for debugging HTTP requests and responses
• 📊 Visual Dashboard with tab navigation (History + API Definitions)
• 🔍 Request/Response Inspection with detailed view and JSON formatting
• 🔄 Request Re-execution with parameter modification
• 📋 cURL Export functionality for CLI usage
• 💾 Persistent Storage using SharedPreferences
• 🎨 Status Code Highlighting with color-coded indicators
• ⏱️ Timestamp Tracking with relative time display

API Definitions System

• 🚀 Swagger-like API Definitions for pre-defined endpoint testing
• 🏗️ SimpleApiBuilder - Fluent API builder with 70% code reduction
• 📚 CRUD Builder - One-line CRUD API generation
• 🎯 Pre-built Samples - Ready-to-use API definitions
  • JSONPlaceholder API
  • E-commerce API (products, orders, cart, user management)
  • Social Media API (posts, likes, follows, comments)
• 📝 Dynamic Parameter Forms for all parameter types (path, query, header, body)
• 🔀 Form/Raw JSON Toggle for request body editing
• 🏷️ Tag-based Filtering and search functionality
• ✅ Real-time Validation with type checking

Smart Features

• 🤖 Auto-detection of path parameters from {param} syntax
• 🧠 Type Inference for common parameter names (id → int, limit → int)
• 🎯 Default Values for common parameters (_limit: 10, _offset: 0)
• 📋 Parameter Validation based on data types

Developer Experience

• 📖 Comprehensive Documentation with examples
• 🎮 Interactive Examples with working code
• 🔧 Easy Integration with existing Dio setup
• 🎨 Beautiful UI with Material Design
• 📱 Responsive Layout for different screen sizes

Foundation for Future Features

• 🏗️ Retrofit Inspector foundation for auto-generation
• 📝 Annotation System for future Retrofit integration
• 🔌 Extensible Architecture for additional HTTP clients

[Unreleased]

Planned Features

• Retrofit Integration: Auto-generate API definitions from Retrofit services
• OpenAPI Support: Import from Swagger/OpenAPI specifications
• Export Features: Save to Postman collections, HAR files
• Advanced Filtering: Complex search and filter options
• Performance Metrics: Network timing and performance analysis
• Mock Responses: Built-in response mocking for development