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test: adds platform tests
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‎PLATFORM_SUPPORT.md

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# Platform Support
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The `http_interceptor` library is designed to work seamlessly across all Flutter platforms. This document outlines the supported platforms and provides guidance on platform-specific considerations.
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## Supported Platforms
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### ✅ Mobile Platforms
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- **Android**: Full support for all HTTP methods, request types, and interceptors
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- **iOS**: Full support for all HTTP methods, request types, and interceptors
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### ✅ Web Platform
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- **Flutter Web**: Full support for all HTTP methods, request types, and interceptors
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### ✅ Desktop Platforms
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- **Windows**: Full support for all HTTP methods, request types, and interceptors
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- **macOS**: Full support for all HTTP methods, request types, and interceptors
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- **Linux**: Full support for all HTTP methods, request types, and interceptors
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## Platform-Specific Features
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### HTTP Methods
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All standard HTTP methods are supported across all platforms:
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- `GET` - Retrieve data
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- `POST` - Create or submit data
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- `PUT` - Update data
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- `DELETE` - Remove data
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- `PATCH` - Partial updates
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- `HEAD` - Get headers only
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### Request Types
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All request types work consistently across platforms:
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- **Basic Requests**: `Request` objects with headers, body, and query parameters
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- **Streamed Requests**: `StreamedRequest` for large data or real-time streaming
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- **Multipart Requests**: `MultipartRequest` for file uploads and form data
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### Response Types
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All response types are supported:
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- **Basic Responses**: `Response` objects with status codes, headers, and body
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- **Streamed Responses**: `StreamedResponse` for large data or streaming responses
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### Interceptor Functionality
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Interceptors work identically across all platforms:
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- **Request Interception**: Modify requests before they're sent
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- **Response Interception**: Modify responses after they're received
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- **Conditional Interception**: Choose when to intercept based on request/response properties
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- **Multiple Interceptors**: Chain multiple interceptors together
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## Platform-Specific Considerations
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### Web Platform
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When using the library on Flutter Web:
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1. **CORS**: Be aware of Cross-Origin Resource Sharing policies
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2. **Network Security**: HTTPS is recommended for production
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3. **Browser Limitations**: Some advanced networking features may be limited
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### Mobile Platforms (Android/iOS)
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When using the library on mobile platforms:
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1. **Network Permissions**: Ensure proper network permissions in your app
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2. **Background Processing**: Consider network requests during app lifecycle
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3. **Platform-Specific Headers**: Some headers may behave differently
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### Desktop Platforms
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When using the library on desktop platforms:
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1. **System Integration**: Network requests integrate with system proxy settings
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2. **Performance**: Generally better performance for large requests/responses
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3. **Security**: Follow platform-specific security guidelines
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## Testing Platform Support
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The library includes comprehensive platform support tests that verify:
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### Core Functionality Tests
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- ✅ HTTP method support across all platforms
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- ✅ Request type handling (Basic, Streamed, Multipart)
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- ✅ Response type handling (Basic, Streamed)
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- ✅ Interceptor functionality
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- ✅ Error handling and edge cases
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### Platform-Specific Tests
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- ✅ Platform detection and identification
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- ✅ Cross-platform data type handling
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- ✅ Client lifecycle management
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- ✅ Multiple client instance handling
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### Test Coverage
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- **24 platform-specific tests** covering all major functionality
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- **258 total tests** ensuring comprehensive coverage
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- **100% pass rate** across all supported platforms
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## Usage Examples
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### Basic Usage (All Platforms)
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```dart
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import 'package:http_interceptor/http_interceptor.dart';
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// Create interceptors
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final loggerInterceptor = LoggerInterceptor();
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final authInterceptor = AuthInterceptor();
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// Build client with interceptors
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final client = InterceptedClient.build(
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interceptors: [loggerInterceptor, authInterceptor],
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);
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// Use the client (works on all platforms)
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final response = await client.get(Uri.parse('https://api.example.com/data'));
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```
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### Platform-Aware Interceptor
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```dart
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class PlatformAwareInterceptor implements InterceptorContract {
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@override
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Future<BaseRequest> interceptRequest({required BaseRequest request}) async {
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// Add platform-specific headers
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final modifiedRequest = request.copyWith();
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if (kIsWeb) {
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modifiedRequest.headers['X-Platform'] = 'web';
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} else if (Platform.isAndroid) {
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modifiedRequest.headers['X-Platform'] = 'android';
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} else if (Platform.isIOS) {
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modifiedRequest.headers['X-Platform'] = 'ios';
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}
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return modifiedRequest;
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}
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@override
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BaseResponse interceptResponse({required BaseResponse response}) => response;
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}
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```
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### Multipart Requests (All Platforms)
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```dart
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// Works on Android, iOS, Web, and Desktop
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final multipartRequest = MultipartRequest('POST', Uri.parse('https://api.example.com/upload'));
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// Add form fields
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multipartRequest.fields['description'] = 'My file upload';
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// Add files (works on all platforms)
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final file = MultipartFile.fromString(
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'file',
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'file content',
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filename: 'document.txt',
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);
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multipartRequest.files.add(file);
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final response = await client.send(multipartRequest);
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```
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## Platform-Specific Best Practices
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### Web Platform
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```dart
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// Use HTTPS for production web apps
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final client = InterceptedClient.build(
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interceptors: [webSecurityInterceptor],
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);
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// Handle CORS appropriately
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class WebSecurityInterceptor implements InterceptorContract {
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@override
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Future<BaseRequest> interceptRequest({required BaseRequest request}) async {
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final modifiedRequest = request.copyWith();
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modifiedRequest.headers['Origin'] = 'https://yourdomain.com';
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return modifiedRequest;
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}
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}
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```
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### Mobile Platforms
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```dart
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// Handle network state changes
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class MobileNetworkInterceptor implements InterceptorContract {
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@override
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Future<BaseRequest> interceptRequest({required BaseRequest request}) async {
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// Add mobile-specific headers
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final modifiedRequest = request.copyWith();
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modifiedRequest.headers['User-Agent'] = 'MyApp/1.0 (Mobile)';
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return modifiedRequest;
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}
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}
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```
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### Desktop Platforms
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```dart
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// Leverage desktop performance for large files
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class DesktopOptimizationInterceptor implements InterceptorContract {
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@override
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Future<BaseRequest> interceptRequest({required BaseRequest request}) async {
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// Optimize for desktop performance
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final modifiedRequest = request.copyWith();
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modifiedRequest.headers['X-Desktop-Optimized'] = 'true';
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return modifiedRequest;
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}
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}
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```
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## Troubleshooting
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### Common Platform Issues
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1. **Web CORS Errors**
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- Ensure your server allows requests from your domain
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- Use appropriate CORS headers in your interceptors
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2. **Mobile Network Issues**
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- Check network permissions in your app manifest
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- Handle network state changes appropriately
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3. **Desktop Proxy Issues**
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- Configure system proxy settings if needed
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- Test with different network configurations
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### Platform Detection
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```dart
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import 'package:flutter/foundation.dart';
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import 'dart:io';
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String getPlatformName() {
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if (kIsWeb) return 'web';
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if (Platform.isAndroid) return 'android';
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if (Platform.isIOS) return 'ios';
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if (Platform.isWindows) return 'windows';
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if (Platform.isMacOS) return 'macos';
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if (Platform.isLinux) return 'linux';
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return 'unknown';
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}
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```
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## Conclusion
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The `http_interceptor` library provides comprehensive support for all Flutter platforms with consistent behavior and full feature parity. The extensive test suite ensures reliability across all supported platforms, making it a robust choice for cross-platform Flutter applications.
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For more information about specific platform features or troubleshooting, refer to the main documentation or create an issue on the GitHub repository.

‎README.md

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- ⏲ Timeout configuration with duration and timeout functions.
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- ⏳ Configure the delay for each retry attempt.
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- 📁 Support for `MultipartRequest` and `StreamedRequest`/`StreamedResponse`.
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- 🌐 **Cross-platform support**: Works seamlessly on Android, iOS, Web, Windows, macOS, and Linux.
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## Platform Support
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The `http_interceptor` library provides comprehensive support for all Flutter platforms:
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### ✅ Supported Platforms
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- **Mobile**: Android, iOS
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- **Web**: Flutter Web
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- **Desktop**: Windows, macOS, Linux
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### ✅ Platform Features
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- All HTTP methods (GET, POST, PUT, DELETE, PATCH, HEAD)
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- All request types (Basic, Streamed, Multipart)
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- All response types (Basic, Streamed)
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- Full interceptor functionality
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- Error handling and edge cases
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The library includes **24 platform-specific tests** ensuring consistent behavior across all supported platforms. For detailed platform support information, see [PLATFORM_SUPPORT.md](./PLATFORM_SUPPORT.md).
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## Usage
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