Building Next-Generation iOS Apps with AFNetworking 2.0

By Mattt Thompson
http://kod.io

Transcript

1. 2
4. Objective-C &
   Cocoa
5. [❤]
6. • Foundation • Grand Central Dispatch • Core Animation • Core Data • Map Kit System Frameworks
7. TCP BSD Sockets CFNetwork Foundation AFNetworking
11. @mattt @sco
14. 1. NSURLConnection + NSOperation
15. 1. NSURLConnection + NSOperation 2. Block Callbacks
19. State of the Library
20. • 9,200+ Stars • 2,400+ Forks • 1,500+ Commits • 1,400+ Closed Issues • 147 Contributors
21. Continuous Integration Automated Documentation
22. CocoaPods
23. platform :ios, “7.0” ! pod “AFNetworking”, “~> 2.0”
24. $ pod install
25. Official Extensions • OAuth 1.0a • OAuth 2.0 • Amazon S3 • JSON-RPC • Collection+JSON • Logger
26. • XAuth • CSV • iCalendar • HAR (HTTP Archive) • RSS • Gravatar • WebDav Third-Party Extensions
27. Built on AFNetworking RestKit NimbusKit OctoKit
28. 10,000's Built on AFNetworking Apps Built Using AFNetworking
31. These are confidential sessions—please refrain from streaming, blogging, or taking pictures Session 705 What’s New in Foundation Networking
32. ASCIIwwdc.com
33. NSURLSession
34. NSURLSession
35. NSURLSession • Session Configuration • URL Cache • Protocols • Cookie Storage
36. NSURLSession • Session Configuration • URL Cache • Protocols • Cookie Storage • Tasks • Backgroundable • Data, Upload, & Download
37. AFNetworking 2.0
38. AFNetworking 2.0 • iOS 6+ & Mac OS X 10.8+ • Xcode 5 • NSURLSession & NSURLConnection • Serialization Modules • UIKit Extensions • Real-time
39. Requirements
40. Serializers
42. AFURLConnectionOperation
43. AFURLConnectionOperation AFHTTPRequestOperation
44. AFURLConnectionOperation AFHTTPRequestOperation AFJSONRequestOperation
45. - (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure { #pragma clang diagnostic push #pragma clang diagnostic ignored "-Warc-retain-cycles" #pragma clang diagnostic ignored "-Wgnu" ! self.completionBlock = ^ { if (self.error) { if (failure) { dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{ failure(self, self.error); }); } } else { dispatch_async(json_request_operation_processing_queue(), ^{ id JSON = self.responseJSON; ! if (self.error) { if (failure) { dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{ failure(self, self.error); }); } } else { if (success) { dispatch_async(self.successCallbackQueue ?: dispatch_get_main_queue(), ^{ success(self, JSON); }); } } }); } }; #pragma clang diagnostic pop }
46. op.responseSerializer = [AFJSONSerializer serializer];
47. <AFURLRequestSerialization> <AFURLResponseSerialization> - requestBySerializingRequest: withParameters: error: - responseObjectForResponse: data: error:
48. • Shared Between Request Operations & Session Tasks • Significantly Reduced Boilerplate Code • Pluggable & Configurable • Protocol, Not Subclass Serializers
49. Built-in Serializers Request Response
50. Built-in Serializers • HTTP • JSON • Property List Request Response
51. Built-in Serializers • HTTP • JSON • Property List • HTTP • JSON • XML Parser • XML Document (OSX) • Property List • Image Request Response
52. Serializer Extensions • MsgPack • CSV / TSV • vCard • vCal • WebP
53. Object Serialization • NSObject • NSManagedObject • MTLModel
58. NSURL *URL = [NSURL URLWithString:@"http://example.com/foo.json"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request]; operation.responseSerializer = [AFJSONSerializer serializer]; [operation start];
59. AFURLConnectionOperation AFHTTPRequestOperation AFJSONRequestOperation
60. AFURLConnectionOperation AFHTTPRequestOperation
61. AFURLSessionManager
62. NSURLSession
63. NSURLSession <NSURLSessionDelegate> 2 Methods
64. NSURLSession <NSURLSessionDelegate> 2 Methods <NSURLSessionTaskDelegate> 5 Methods
65. NSURLSession <NSURLSessionDelegate> 2 Methods <NSURLSessionTaskDelegate> 5 Methods <NSURLSessionDataDelegate> 4 Methods
66. NSURLSession <NSURLSessionDelegate> 2 Methods <NSURLSessionTaskDelegate> 5 Methods <NSURLSessionDataDelegate> 4 Methods <NSURLSessionDownloadDelegate> 3 Methods
67. NSURLSession Delegate Methods
68. NSURLSession 14 Delegate Methods
69. AFURLSessionManager • Provides Block-based Callbacks for Delegate Methods • Including Default Expected Implementation • Provides Per-Task Upload / Download Progress Callbacks • Convenience Methods for Session Management
70. - (NSURLSessionDataTask *)dataTaskWithRequest:(NSURLRequest *)request completionHandler:(void (^)( NSHTTPURLResponse *, id, NSError *error ))completionHandler;
71. - (NSURLSessionUploadTask *)uploadTaskWithRequest:(NSURLRequest *)request fromFile:(NSURL *)fileURL progress:(NSProgress **)progress completionHandler:(void (^)( NSHTTPURLResponse *, id, NSError *error ))completionHandler; - (NSURLSessionUploadTask *)uploadTaskWithRequest:(NSURLRequest *)request fromData:(NSData *)bodyData progress:(NSProgress **)progress completionHandler:(void (^)( NSHTTPURLResponse *, id, NSError *error ))completionHandler;
72. - (NSURLSessionDownloadTask *)downloadTaskWithRequest:(NSURLRequest *)request progress:(NSProgress **)progress completionHandler:(void (^)( NSHTTPURLResponse *, NSURL *, NSError *error ))completionHandler; - (NSURLSessionDownloadTask *)downloadTaskWithResumeData:(NSData *)resumeData progress:(NSProgress **)progress completionHandler:(void (^)( NSHTTPURLResponse *, NSURL *, NSError *error ))completionHandler;
73. AFHTTPClient
74. AFHTTPClient the death of
75. AFHTTPClient • Create Requests • Parameter Query String Serialization • Multipart Form Stream Creation • Default Headers • Create and Manage Request Operations • Create Batched Operations • Monitor Network Reachability
76. New Architecture
77. New Architecture • <AFURLRequestSerialization> • <AFURLResponseSerialization> • AFSecurityPolicy • AFNetworkReachabilityManager
78. New Architecture NSURLConnection NSURLSession
79. New Architecture NSURLConnection NSURLSession AFURLConnectionOperation
80. New Architecture NSURLConnection NSURLSession AFURLConnectionOperation AFHTTPRequestOperation
81. New Architecture NSURLConnection NSURLSession AFURLConnectionOperation AFHTTPRequestOperation NSURLSessionTask
82. New Architecture NSURLConnection NSURLSession AFURLConnectionOperation AFHTTPRequestOperation NSURLSessionTask Data Upload Download
83. New Architecture NSURLConnection NSURLSession AFURLConnectionOperation AFHTTPRequestOperation NSURLSessionTask Data Upload Download AFHTTPRequestOperationManager
84. New Architecture NSURLConnection NSURLSession AFURLConnectionOperation AFHTTPRequestOperation NSURLSessionTask Data Upload Download AFHTTPRequestOperationManager AFURLSessionManager
85. New Architecture NSURLConnection NSURLSession AFURLConnectionOperation AFHTTPRequestOperation NSURLSessionTask Data Upload Download AFHTTPRequestOperationManager AFURLSessionManager AFHTTPSessionManager
86. AFHTTPSessionManager
87. AFHTTPSessionManager • Expanded & Refactored HTTP Convenience Methods
88. AFHTTPSessionManager • Expanded & Refactored HTTP Convenience Methods • Almost identical between Session & Request Operation Managers
89. AFHTTPSessionManager • Expanded & Refactored HTTP Convenience Methods • Almost identical between Session & Request Operation Managers • Default to JSON Response Serializer
90. AFHTTPSessionManager • Expanded & Refactored HTTP Convenience Methods • Almost identical between Session & Request Operation Managers • Default to JSON Response Serializer • No Longer Requires baseURL
91. - (Object *)GET:(NSString *)URLString parameters:(NSDictionary *)parameters success:(void (^)(Object *, id))success failure:(void (^)(Object *, NSError *))failure; - (Object *)HEAD:(NSString *)URLString parameters:(NSDictionary *)parameters success:(void (^)(Object *))success failure:(void (^)(Object *, NSError *))failure;
92. - (Object *)POST:(NSString *)URLString parameters:(NSDictionary *)parameters success:(void (^)(Object *, id))success failure:(void (^)(Object *, NSError *))failure; - (Object *)POST:(NSString *)URLString parameters:(NSDictionary *)parameters constructingBodyWithBlock:(void (^)(id <AFMultipartFormData>))block success:(void (^)(Object *, id))success failure:(void (^)(Object *, NSError *))failure;
93. - (Object *)PUT:(NSString *)URLString parameters:(NSDictionary *)parameters success:(void (^)(Object *, id))success failure:(void (^)(Object *, NSError *))failure; - (Object *)PATCH:(NSString *)URLString parameters:(NSDictionary *)parameters success:(void (^)(Object *, id))success failure:(void (^)(Object *, NSError *))failure; - (Object *)DELETE:(NSString *)URLString parameters:(NSDictionary *)parameters success:(void (^)(Object *))success failure:(void (^)(Object *, NSError *))failure;
94. AFSecurityPolicy
95. AFSecurityPolicy • Evaluate Server Trust • Pinned Certificates • Pinned Public Keys
96. AFSecurityPolicy • Evaluate Server Trust • Pinned Certificates • Pinned Public Keys • Validate Server Certs
97. AFNetworkReachability Manager
98. AFNetworkReachability Manager • Monitor Network Reachability • Domain • IP Address
99. AFNetworkReachability Manager • Monitor Network Reachability • Domain • IP Address • Determine Type of Connection
100. UIKit Extensions
101. UIKit Extensions
102. UIKit Extensions • Network Activity Indicator
103. UIKit Extensions • Network Activity Indicator • UIImageView
104. UIKit Extensions • Network Activity Indicator • UIImageView • UIButton
105. UIKit Extensions • Network Activity Indicator • UIImageView • UIButton • UIActivityIndicatorView
106. UIKit Extensions • Network Activity Indicator • UIImageView • UIButton • UIActivityIndicatorView • UIProgressView
107. UIKit Extensions • Network Activity Indicator • UIImageView • UIButton • UIActivityIndicatorView • UIProgressView • UIWebView
108. Real-time
109. R O C K E T a hybrid approach to real-time cloud applications
110. Server-Sent Events W3C Event Source Draft Spec JSON Patch RFC 6902
111. Request Response
112. Request Response Document GET /resources Accept: application/json HTTP/1.1 200 OK Content-Type: application/json ! {"resources": [...]}
113. Request Response Document GET /resources Accept: application/json HTTP/1.1 200 OK Content-Type: application/json ! {"resources": [...]} Stream SUBSCRIBE /resources Accept: text/event-stream HTTP/1.1 200 OK Content-Type: text/event-stream ! event: patch data: [{ "op": "add", "path": "/resources/123", "value": {...} }]
117. AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
118. AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; [manager GET:@"http://example.com/resources" parameters:nil success:^(NSHTTPURLResponse *response, id responseObject) { self.resources = responseObject; } failure:nil];
119. AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; [manager SUBSCRIBE:@"http://example.com/resources" usingBlock:^(NSArray *operations, NSError *error) { for (AFJSONPatchOperation *operation in operations) { switch (operation.type) { case AFJSONAddOperationType: [self.resources addObject:operation.value]; break; case AFJSONRemoveOperationType: [self.resources removeObject:operation.value]; break; } } } error:nil]; [manager GET:@"http://example.com/resources" parameters:nil success:^(NSHTTPURLResponse *response, id responseObject) { self.resources = responseObject; } failure:nil];
120. rocket.github.io
121. helios an extensible open source mobile backend framework
122. Helios Services • Data Synchronization • Push Notification Registration • In-App Purchase • Passbook Webservice • Newsstand Syndication • Logging & Analytics
123. require 'bundler/setup'! ! app = Helios::Application.new {! service :data, model: "Model.xcdatamodel" service :push_notification! service :in_app_purchase! service :passbook! }! ! run app!
124. $ helios link
126. helios.io
130. AFNetworking 2.0 • iOS 6+ & Mac OS X 10.8+ • Xcode 5 • NSURLSession & NSURLConnection • Serialization Modules • UIKit Extensions • Real-time
131. github.com/AFNetworking/AFNetworking/wiki
132. nshipster.com/AFNetworking-2
133. NS
134. • http://afnetworking.com • http://cocoapods.org • http://asciiwwdc.com • http://helios.io • http://rocket.github.io • http://nshipster.com • http://objc.io @mattt
135. 2