AFNetworking
2015-11-20 20:48
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README.md
AFNetworking is a delightful networking library for iOS and Mac OS X. It's built on top of the Foundation
URL Loading System, extending the powerful high-level networking abstractions built into Cocoa. It has a modular architecture with well-designed, feature-rich APIs that are a joy to use.
Perhaps the most important feature of all, however, is the amazing community of developers who use and contribute to AFNetworking every day. AFNetworking powers some of the most popular and critically-acclaimed
apps on the iPhone, iPad, and Mac.
Choose AFNetworking for your next project, or migrate over your existing projects—you'll be happy you did!
How
To Get Started
Download AFNetworking and try out the included Mac and iPhone exampleapps
Read the "Getting Started" guide, FAQ,
or other articles on the Wiki
Check out the documentation for a comprehensive look at all of the APIs available in AFNetworking
Read the AFNetworking 2.0 Migration Guide for an
overview of the architectural changes from 1.0.
Communication
If you need help, use Stack Overflow. (Tag 'afnetworking')If you'd like to ask a general question, use Stack Overflow.
If you found a bug, and can provide steps to reliably reproduce it, open an issue.
If you have a feature request, open an issue.
If you want to contribute, submit a pull request.
Installation
with CocoaPods
CocoaPods is a dependency manager for Objective-C, which automates and simplifiesthe process of using 3rd-party libraries like AFNetworking in your projects. See the "Getting
Started" guide for more information.
Podfile
platform :ios, '7.0' pod "AFNetworking", "~> 2.0"
Requirements
AFNetworking Version | Minimum iOS Target | Minimum OS X Target | Notes |
---|---|---|---|
2.x | iOS 6 | OS X 10.8 | Xcode 5 is required. NSURLSessionsubspec requires iOS 7 or OS X 10.9. |
1.x | iOS 5 | Mac OS X 10.7 | |
0.10.x | iOS 4 | Mac OS X 10.6 |
with modern Cocoa runtime).
Programming in Swift? Try Alamofire for a more conventional set
of APIs.
Architecture
NSURLConnection
AFURLConnectionOperation
AFHTTPRequestOperation
AFHTTPRequestOperationManager
NSURLSession (iOS
7 / Mac OS X 10.9)
AFURLSessionManager
AFHTTPSessionManager
Serialization
<AFURLRequestSerialization>
AFHTTPRequestSerializer
AFJSONRequestSerializer
AFPropertyListRequestSerializer
<AFURLResponseSerialization>
AFHTTPResponseSerializer
AFJSONResponseSerializer
AFXMLParserResponseSerializer
AFXMLDocumentResponseSerializer(Mac OS X)
AFPropertyListResponseSerializer
AFImageResponseSerializer
AFCompoundResponseSerializer
Additional
Functionality
AFSecurityPolicy
AFNetworkReachabilityManager
Usage
HTTP
Request Operation Manager
AFHTTPRequestOperationManagerencapsulates the common patterns of communicating
with a web application over HTTP, including request creation, response serialization, network reachability monitoring, and security, as well as request operation management.
GET
Request
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager]; [manager GET:@"http://example.com/resources.json" parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) { NSLog(@"JSON: %@", responseObject); } failure:^(AFHTTPRequestOperation *operation, NSError *error) { NSLog(@"Error: %@", error); }];
POST
URL-Form-Encoded
Request
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager]; NSDictionary *parameters = @{@"foo": @"bar"}; [manager POST:@"http://example.com/resources.json" parameters:parameters success:^(AFHTTPRequestOperation *operation, id responseObject) { NSLog(@"JSON: %@", responseObject); } failure:^(AFHTTPRequestOperation *operation, NSError *error) { NSLog(@"Error: %@", error); }];
POST
Multi-Part
Request
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager]; NSDictionary *parameters = @{@"foo": @"bar"}; NSURL *filePath = [NSURL fileURLWithPath:@"file://path/to/image.png"]; [manager POST:@"http://example.com/resources.json" parameters:parameters constructingBodyWithBlock:^(id<AFMultipartFormData> formData) { [formData appendPartWithFileURL:filePath name:@"image" error:nil]; } success:^(AFHTTPRequestOperation *operation, id responseObject) { NSLog(@"Success: %@", responseObject); } failure:^(AFHTTPRequestOperation *operation, NSError *error) { NSLog(@"Error: %@", error); }];
AFURLSessionManager
AFURLSessionManagercreates and manages an
NSURLSessionobject
based on a specified
NSURLSessionConfigurationobject, which conforms to
<NSURLSessionTaskDelegate>,
<NSURLSessionDataDelegate>,
<NSURLSessionDownloadDelegate>,
and
<NSURLSessionDelegate>.
Creating
a Download Task
NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration]; AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration]; NSURL *URL = [NSURL URLWithString:@"http://example.com/download.zip"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; NSURLSessionDownloadTask *downloadTask = [manager downloadTaskWithRequest:request progress:nil destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) { NSURL *documentsDirectoryURL = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:NO error:nil]; return [documentsDirectoryURL URLByAppendingPathComponent:[response suggestedFilename]]; } completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) { NSLog(@"File downloaded to: %@", filePath); }]; [downloadTask resume];
Creating
an Upload Task
NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration]; AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration]; NSURL *URL = [NSURL URLWithString:@"http://example.com/upload"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; NSURL *filePath = [NSURL fileURLWithPath:@"file://path/to/image.png"]; NSURLSessionUploadTask *uploadTask = [manager uploadTaskWithRequest:request fromFile:filePath progress:nil completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) { if (error) { NSLog(@"Error: %@", error); } else { NSLog(@"Success: %@ %@", response, responseObject); } }]; [uploadTask resume];
Creating
an Upload Task for a Multi-Part Request, with Progress
NSMutableURLRequest *request = [[AFHTTPRequestSerializer serializer] multipartFormRequestWithMethod:@"POST" URLString:@"http://example.com/upload" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) { [formData appendPartWithFileURL:[NSURL fileURLWithPath:@"file://path/to/image.jpg"] name:@"file" fileName:@"filename.jpg" mimeType:@"image/jpeg" error:nil]; } error:nil]; AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]]; NSProgress *progress = nil; NSURLSessionUploadTask *uploadTask = [manager uploadTaskWithStreamedRequest:request progress:&progress completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) { if (error) { NSLog(@"Error: %@", error); } else { NSLog(@"%@ %@", response, responseObject); } }]; [uploadTask resume];
Creating
a Data Task
NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration]; AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration]; NSURL *URL = [NSURL URLWithString:@"http://example.com/upload"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; NSURLSessionDataTask *dataTask = [manager dataTaskWithRequest:request completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) { if (error) { NSLog(@"Error: %@", error); } else { NSLog(@"%@ %@", response, responseObject); } }]; [dataTask resume];
Request
Serialization
Request serializers create requests from URL strings, encoding parameters as either a query string or HTTP body.NSString *URLString = @"http://example.com"; NSDictionary *parameters = @{@"foo": @"bar", @"baz": @[@1, @2, @3]};
Query
String Parameter Encoding
[[AFHTTPRequestSerializer serializer] requestWithMethod:@"GET" URLString:URLString parameters:parameters error:nil];
GET http://example.com?foo=bar&baz[]=1&baz[]=2&baz[]=3
URL
Form Parameter Encoding
[[AFHTTPRequestSerializer serializer] requestWithMethod:@"POST" URLString:URLString parameters:parameters];
POST http://example.com/ Content-Type: application/x-www-form-urlencoded foo=bar&baz[]=1&baz[]=2&baz[]=3
JSON
Parameter Encoding
[[AFJSONRequestSerializer serializer] requestWithMethod:@"POST" URLString:URLString parameters:parameters];
POST http://example.com/ Content-Type: application/json {"foo": "bar", "baz": [1,2,3]}
Network
Reachability Manager
AFNetworkReachabilityManagermonitors the reachability of domains, and addresses
for both WWAN and WiFi network interfaces.
Do not use Reachability to determine if the original request should be sent.
You should try to send it.
You can use Reachability to determine when a request should be automatically retried.
Although it may still fail, a Reachability notification that the connectivity is available is a good time to retry something.
Network reachability is a useful tool for determining why a request might have failed.
After a network request has failed, telling the user they're offline is better than giving them a more technical but accurate error, such as "request timed out."
See also WWDC 2012 session 706, "Networking Best Practices.".
Shared
Network Reachability
[[AFNetworkReachabilityManager sharedManager] setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) { NSLog(@"Reachability: %@", AFStringFromNetworkReachabilityStatus(status)); }]; [[AFNetworkReachabilityManager sharedManager] startMonitoring];
HTTP
Manager Reachability
NSURL *baseURL = [NSURL URLWithString:@"http://example.com/"]; AFHTTPRequestOperationManager *manager = [[AFHTTPRequestOperationManager alloc] initWithBaseURL:baseURL]; NSOperationQueue *operationQueue = manager.operationQueue; [manager.reachabilityManager setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) { switch (status) { case AFNetworkReachabilityStatusReachableViaWWAN: case AFNetworkReachabilityStatusReachableViaWiFi: [operationQueue setSuspended:NO]; break; case AFNetworkReachabilityStatusNotReachable: default: [operationQueue setSuspended:YES]; break; } }]; [manager.reachabilityManager startMonitoring];
Security
Policy
AFSecurityPolicyevaluates server trust against pinned X.509 certificates and public
keys over secure connections.
Adding pinned SSL certificates to your app helps prevent man-in-the-middle attacks and other vulnerabilities. Applications dealing with sensitive customer data or financial information are strongly encouraged to
route all communication over an HTTPS connection with SSL pinning configured and enabled.
Allowing
Invalid SSL Certificates
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager]; manager.securityPolicy.allowInvalidCertificates = YES; // not recommended for production
AFHTTPRequestOperation
AFHTTPRequestOperationis a subclass of
AFURLConnectionOperationfor
requests using the HTTP or HTTPS protocols. It encapsulates the concept of acceptable status codes and content types, which determine the success or failure of a request.
Although
AFHTTPRequestOperationManageris usually the best way to go about making
requests,
AFHTTPRequestOperationcan be used by itself.
GET
with AFHTTPRequestOperation
NSURL *URL = [NSURL URLWithString:@"http://example.com/resources/123.json"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFHTTPRequestOperation *op = [[AFHTTPRequestOperation alloc] initWithRequest:request]; op.responseSerializer = [AFJSONResponseSerializer serializer]; [op setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) { NSLog(@"JSON: %@", responseObject); } failure:^(AFHTTPRequestOperation *operation, NSError *error) { NSLog(@"Error: %@", error); }]; [[NSOperationQueue mainQueue] addOperation:op];
Batch
of Operations
NSMutableArray *mutableOperations = [NSMutableArray array]; for (NSURL *fileURL in filesToUpload) { NSURLRequest *request = [[AFHTTPRequestSerializer serializer] multipartFormRequestWithMethod:@"POST" URLString:@"http://example.com/upload" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) { [formData appendPartWithFileURL:fileURL name:@"images[]" error:nil]; }]; AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request]; [mutableOperations addObject:operation]; } NSArray *operations = [AFURLConnectionOperation batchOfRequestOperations:@[...] progressBlock:^(NSUInteger numberOfFinishedOperations, NSUInteger totalNumberOfOperations) { NSLog(@"%lu of %lu complete", numberOfFinishedOperations, totalNumberOfOperations); } completionBlock:^(NSArray *operations) { NSLog(@"All operations in batch complete"); }]; [[NSOperationQueue mainQueue] addOperations:operations waitUntilFinished:NO];
Unit
Tests
AFNetworking includes a suite of unit tests within the Tests subdirectory. In order to run the unit tests, you must install the testing dependencies via CocoaPods:$ cd Tests $ pod install
Once testing dependencies are installed, you can execute the test suite via the 'iOS Tests' and 'OS X Tests' schemes within Xcode.
Running
Tests from the Command Line
Tests can also be run from the command line or within a continuous integration environment. The xcprettyutility
needs to be installed before running the tests from the command line:
$ gem install xcpretty
Once
xcprettyis installed, you can execute the suite via
rake test.
Credits
AFNetworking is owned and maintained by the Alamofire Software Foundation.AFNetworking was originally created by Scott Raymond and Mattt
Thompson in the development of Gowalla for iPhone.
AFNetworking's logo was designed by Alan Defibaugh.
And most of all, thanks to AFNetworking's growing
list of contributors.
Security
Disclosure
If you believe you have identified a security vulnerability with AFNetworking, you should report it as soon as possible via email to security@alamofire.org.Please do not post it to a public issue tracker.
License
AFNetworking is released under the MIT license. See LICENSE for details.
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