YTKNetwork

AFHTTPRequestOperationManager

NSOperationQueue *operationQueue;...

-()get;-()post;...

YTKNetworkAgent

+ (YTKNetworkAgent *)sharedInstance;- (void)addRequest:- (void)cancelRequest:- (void)cancelAllRequests;

YTKBaseRequest

AFHTTPRequestOperation *requestOperation;NSDictionary *responseHeaders;NSString *responseString;

- (void)start;- (void)stop;- (BOOL)isExecuting;

YTKRequest

BOOL ignoreCache

- cacheTimeInSeconds;- startWithoutCache;

YTKRequestDelegate

- (void)requestFinished:(YTKBaseRequest *)request;- (void)requestFailed:(YTKBaseRequest *)request;- (void)clearRequest;

ViewController

- (void)sendNewRequest;

NewRequest

- (id)initWithParams;

NSObject