Tweet
Tweet

Slide 1

Slide 1 text

Everybody Loves AFNetworking ...and So Can You! Mattt Thompson CocoaConf Columbus 2012

Slide 2

Slide 2 text

No content

Slide 3

Slide 3 text

No content

Slide 4

Slide 4 text

No content

Slide 5

Slide 5 text

AFURLConnectionOperation AFHTTPRequestOperation JSON XML plist Image AFHTTPClient

Slide 6

Slide 6 text

AFURLConnectionOperation

Slide 7

Slide 7 text

NSURLConnection + NSOperation

Slide 8

Slide 8 text

No content

Slide 9

Slide 9 text

No content

Slide 10

Slide 10 text

No content

Slide 11

Slide 11 text

NSURLConnection • High-Level Networking API • Delegate-based Callbacks

Slide 12

Slide 12 text

URL Loading System

Slide 13

Slide 13 text

URL Loading System • URL Loading • NSURLConnection • NSURLRequest • NSURLResponse

Slide 14

Slide 14 text

URL Loading System • URL Loading • NSURLConnection • NSURLRequest • NSURLResponse • Caching • NSURLCache • NSURLCacheResponse

Slide 15

Slide 15 text

URL Loading System • URL Loading • NSURLConnection • NSURLRequest • NSURLResponse • Caching • NSURLCache • NSURLCacheResponse

Slide 16

Slide 16 text

URL Loading System • URL Loading • NSURLConnection • NSURLRequest • NSURLResponse • Caching • NSURLCache • NSURLCacheResponse • Authentication & Credentials • NSURLCredential • NSURLAuthenticationChallenge

Slide 17

Slide 17 text

URL Loading System • URL Loading • NSURLConnection • NSURLRequest • NSURLResponse • Caching • NSURLCache • NSURLCacheResponse • Authentication & Credentials • NSURLCredential • NSURLAuthenticationChallenge • Cookies • NSHTTPCookie

Slide 18

Slide 18 text

URL Loading System • URL Loading • NSURLConnection • NSURLRequest • NSURLResponse • Caching • NSURLCache • NSURLCacheResponse • Authentication & Credentials • NSURLCredential • NSURLAuthenticationChallenge • Cookies • NSHTTPCookie • Protocols • NSProtocol

Slide 19

Slide 19 text

NSURLConnection Delegate Methods

Slide 20

Slide 20 text

NSURLConnection Delegate Methods - connection:didReceiveResponse:

Slide 21

Slide 21 text

NSURLConnection Delegate Methods - connection:didReceiveResponse: - connection:didReceiveData:

Slide 22

Slide 22 text

NSURLConnection Delegate Methods - connection:didReceiveResponse: - connection:didReceiveData: - connectionDidFinishLoading:

Slide 23

Slide 23 text

NSURLConnection Delegate Methods - connection:didReceiveResponse: - connection:didReceiveData: - connectionDidFinishLoading: - connection:didFailWithError:

Slide 24

Slide 24 text

NSURLConnection Delegate Methods - connection:didReceiveResponse: - connection:didReceiveData: - connectionDidFinishLoading: - connection:didFailWithError: - connection:willCacheResponse:

Slide 25

Slide 25 text

NSOperation • Atomic Unit of Computation • Concurrently executed in NSOperationQueue • Encapsulates State • started, executing, finished • Cancelable • Completion Blocks

Slide 26

Slide 26 text

AFURLConnectionOperation • NSOperation Subclass • Implements NSURLConnection Delegate Methods • Supports Streaming Uploads / Downloads • Stores Request, Response, Data

Slide 27

Slide 27 text

No content

Slide 28

Slide 28 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/ip"];

Slide 29

Slide 29 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/ip"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL];

Slide 30

Slide 30 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/ip"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFURLConnectionOperation *operation = [[AFURLConnectionOperation alloc] initWithRequest:request];

Slide 31

Slide 31 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/ip"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFURLConnectionOperation *operation = [[AFURLConnectionOperation alloc] initWithRequest:request]; operation.completionBlock = ^ { NSLog(@"Complete: %@", operation.responseString); };

Slide 32

Slide 32 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/ip"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFURLConnectionOperation *operation = [[AFURLConnectionOperation alloc] initWithRequest:request]; operation.completionBlock = ^ { NSLog(@"Complete: %@", operation.responseString); }; [operation start];

Slide 33

Slide 33 text

AFURLConnectionOperation

Slide 34

Slide 34 text

AFURLConnectionOperation AFHTTPRequestOperation

Slide 35

Slide 35 text

AFHTTPRequestOperation • AFURLConnectionOperation Subclass • Adds Knowledge Specific to HTTP • Status Codes • MIME Types • Adds Success / Failure Distinction

Slide 36

Slide 36 text

No content

Slide 37

Slide 37 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/robots.txt"];

Slide 38

Slide 38 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/robots.txt"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL];

Slide 39

Slide 39 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/robots.txt"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request]; [operation setCompletionBlockWithSuccess: ^(AFHTTPRequestOperation *operation, id responseObject) {

Slide 40

Slide 40 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/robots.txt"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request]; [operation setCompletionBlockWithSuccess: ^(AFHTTPRequestOperation *operation, id responseObject) { NSLog(@"Success: %@", operation.responseString); } failure:^(AFHTTPRequestOperation *operation, NSError *error) { NSLog(@"Failure: %@", error); }];

Slide 41

Slide 41 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/robots.txt"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request]; [operation setCompletionBlockWithSuccess: ^(AFHTTPRequestOperation *operation, id responseObject) { NSLog(@"Success: %@", operation.responseString); } failure:^(AFHTTPRequestOperation *operation, NSError *error) { NSLog(@"Failure: %@", error); }]; [operation start];

Slide 42

Slide 42 text

AFURLConnectionOperation AFHTTPRequestOperation

Slide 43

Slide 43 text

AFURLConnectionOperation AFHTTPRequestOperation JSON XML plist Image

Slide 44

Slide 44 text

Operations should encapsulate everything it takes to get what you want

Slide 45

Slide 45 text

Success / Failure JSON XML Image Status Code Content Type 2XX 2XX 2XX application/json text/json text/javascript application/xml text/xml image/tiff image/jpeg image/gif image/png

Slide 46

Slide 46 text

No content

Slide 47

Slide 47 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/get"];

Slide 48

Slide 48 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/get"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL];

Slide 49

Slide 49 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/get"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {

Slide 50

Slide 50 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/get"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) { NSLog(@"Success :%@", JSON);

Slide 51

Slide 51 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/get"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) { NSLog(@"Success :%@", JSON); } failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON) {

Slide 52

Slide 52 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/get"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) { NSLog(@"Success :%@", JSON); } failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON) { NSLog(@"Failure: %@", error); }];

Slide 53

Slide 53 text

NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/get"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) { NSLog(@"Success :%@", JSON); } failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON) { NSLog(@"Failure: %@", error); }]; [operation start];

Slide 54

Slide 54 text

No content

Slide 55

Slide 55 text

NSURL *URL = [NSURL URLWithString:@"http://example.com/avatar.jpg"];

Slide 56

Slide 56 text

NSURL *URL = [NSURL URLWithString:@"http://example.com/avatar.jpg"]; [cell.imageView setImageWithURL:URL placeholderImage:[UIImage imageNamed:@"placeholder"]];

Slide 57

Slide 57 text

AFURLConnectionOperation AFHTTPRequestOperation JSON XML plist Image

Slide 58

Slide 58 text

AFURLConnectionOperation AFHTTPRequestOperation JSON XML plist Image AFHTTPClient

Slide 59

Slide 59 text

AFHTTPClient • Designed to Work for Single Endpoint • Set Default Headers • Authorization, Accept, Accept-Language, etc. • Encode Parameters to Query String or Message Body • Handle Multipart Form Request Body Construction • Manage Request Operations • Enqueue Operations in Batches

Slide 60

Slide 60 text

•Create NSURLRequest •Create AFHTTPRequestOperation •Enqueue Operations

Slide 61

Slide 61 text

Extremely Subclassable

Slide 62

Slide 62 text

No content

Slide 63

Slide 63 text

•Create NSURLRequest -requestWithMethod:path:parameters

Slide 64

Slide 64 text

•Create NSURLRequest -requestWithMethod:path:parameters •Create AFHTTPRequestOperation -HTTPRequestOperationWithRequest: success:failure

Slide 65

Slide 65 text

•Create NSURLRequest -requestWithMethod:path:parameters •Create AFHTTPRequestOperation -HTTPRequestOperationWithRequest: success:failure •Enqueue Operations -enqueueHTTPRequestOperation:

Slide 66

Slide 66 text

Shared Singleton Pattern

Slide 67

Slide 67 text

+ (AFTwitterAPIClient *)sharedClient { static AFTwitterAPIClient *_sharedClient = nil; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ _sharedClient = [[AFTwitterAPIClient alloc] initWithBaseURL:[NSURL URLWithString:kAFTwitterAPIBaseURLString]]; }); return _sharedClient; }

Slide 68

Slide 68 text

NSString *path = @"statuses/public_timeline.json"; [[AFTwitterAPIClient sharedClient] getPath:path parameters:nil success:... failure:...];

Slide 69

Slide 69 text

Demo

Slide 70

Slide 70 text

AFURLConnectionOperation AFHTTPRequestOperation JSON XML plist Image AFHTTPClient

Slide 71

Slide 71 text

AFURLConnectionOperation AFHTTPRequestOperation JSON XML plist Image AFHTTPClient

Slide 72

Slide 72 text

AFURLConnectionOperation AFHTTPRequestOperation JSON XML plist Image AFHTTPClient Collection +JSON

Slide 73

Slide 73 text

UIKit Extensions AFURLConnectionOperation AFHTTPRequestOperation JSON XML plist Image AFHTTPClient Collection +JSON

Slide 74

Slide 74 text

UIKit Extensions AFURLConnectionOperation AFHTTPRequestOperation JSON XML plist Image AFHTTPClient OAuth Collection +JSON

Slide 75

Slide 75 text

UIKit Extensions AFURLConnectionOperation AFHTTPRequestOperation JSON XML plist Image AFHTTPClient OAuth Collection +JSON S3

Slide 76

Slide 76 text

AFNetworking Ecosystem • AFOAuth1Client & AFOAuth2Client • AFAmazonS3Client • AFDownloadRequestOperation • AFIncrementalStore • AFKissXMLRequestOperation • AFCollectionJSONRequestOperation • AFHTTPRequestOperationLogger

Slide 77

Slide 77 text

AFFuture • Working Towards 1.0 • AFIncrementalStore • More Examples & Documentation • Modular CocoaPods Specification

Slide 78

Slide 78 text

AFIncrementalStore The “Holy Grail” of Networked Apps

Slide 79

Slide 79 text

Core Data

Slide 80

Slide 80 text

+ Networking Core Data

Slide 81

Slide 81 text

Core Data

Slide 82

Slide 82 text

No content

Slide 83

Slide 83 text

NSManagedObjectContext

Slide 84

Slide 84 text

NSPersistentStoreCoordinator NSManagedObjectContext

Slide 85

Slide 85 text

NSPersistentStoreCoordinator NSManagedObjectContext NSPersistentStore

Slide 86

Slide 86 text

NSPersistentStoreCoordinator NSManagedObjectContext NSSQLiteStore AFIncrementalStore

Slide 87

Slide 87 text

•NSFetchRequest •Attribute Faults •Relationship Faults

Slide 88

Slide 88 text

Rack::CoreData Generate REST API Scaffold from Core Data

Slide 89

Slide 89 text

No content

Slide 90

Slide 90 text

GET /companies POST /suppliers PUT /customers/:id GET /country/:id/companies

Slide 91

Slide 91 text

Demo

Slide 92

Slide 92 text

How You Can Help • Documentation & Guides • Especially non-English • Pitch In on Stack Overflow • Issues • Pull Requests

Slide 93

Slide 93 text

@mattt

Slide 94

Slide 94 text

What I Learned From AFNetworking's GitHub Issues Mattt Thompson CocoaConf Columbus 2012

Slide 95

Slide 95 text

Thanks!