nsurlconnection

问题 I've been going around and around, I've been trying to use this example but running into trouble in the delegate method. I'm trying to figure out how to close this out. Looks like I've got a lot set correctly but need help on final step: I'm getting a -[ThirdTab apiFinished:]: unrecognized selector sent to instance. On line two of the WebServiceAPI.m : the self.aDelegate =aDelegate is giving me an error: 2) Local declaration of aDelegate hides instance variable. This is my first go around

问题 Alright. Lets say i have a UITextField where a user can input an url such as: http://foo.bar/foo/bar.asmx Now, if the application is fed the right URL, it will respond with an NSData with a bytesize of around 450-700 depending on the returning values, the values differ between users. The call takes around a second or so, and the NSXMLParser parses the data within a second aswell. But whenever we input for example: http://apple.com/foo/bar.asmx We recieve an NSData with a bytesize of around

问题 I want to download a .mp3 file on a Website with NSSURLConnection , however only the first 357 bytes of the 2.5 mb file are downloaded. I tried to increase the buffer size and the timeout of the request, but I still can't get the entire .mp3 file on the iPhone. This URL of the file is: http://dl.mp3.kapsule.info/fsfsdfdsfdserwrwq3/fc90613208cc3f16ae6d6ba05d21880c/4b5244f0/b/7e/b7e80afa18d06fdd3dd9f9fa44b51fc0.mp3?filename=Every-Day-I-Love-You.mp3 How can I make the iPhone download the whole

问题 I am trying to load web content asynchronously. I am not sure how to update labels/other content in my view controller once the connectionDidFinishLoading method is called. In the sample below, I am just trying to update a label to show that the content has loaded. How would I do this? Thank you! - (void)connectionDidFinishLoading:(NSURLConnection *)connection { NSLog(@"Succeeded! Received %d bytes of data",[responseData length]); NSString *txt = [[NSString alloc] initWithData:responseData

问题 I use the metasyntactic classes in order to handle Google Protobuf objects in Objective C. This works fine when making and sending protobuf objects to a server. However I am having trouble reading protobuf data that is sent back from the server which I cannot seem to parse. I use this code in the didReceiveData method: - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data{ UserId *identity = [UserId parseFromData:data]; NSLog(@"identity firstname = %@", identity

问题 Hi I'm new to iphone development, I'm currently working with a project where I have a screen, in which user should enter their details, like username and password. I googled and find out about NSURLConnection for GET/POST/DELETE. I can GET data by the below codes, NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init]; [request setURL:[NSURL URLWithString:@"http://************/api/Users"]]; [request setHTTPMethod:@"GET"]; [request setValue:@"application/json;charset=UTF-8"

问题 I am having a problem in NSURLConnection. My didRecieveData method is not being called . I dont know what's the problem. I also went through almost all the previous problems but nothing seems to solve. Please help me out. This is my code. -(void)gettheJSONdata { NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:_serverAddress cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10]; [request setHTTPMethod: @"GET"]; NSURLConnection *connection = [[NSURLConnection

问题 I am getting data from server in my application. Currently I making this using NSUrlConnection and getting data in connectionDidFinishLoading . Mean while i am showing an alertView to user. but that time my view is not updated with data. I can only show while whole response is came form server and refreshing the view later. Can i restrict view to shown up only when whole response is acquired or can i make the that dark effect of uialertview more dark which make containing view disable??? EDIT

问题 How do I check if a file exists on a web site? I am using NSURLConnection with my NSURLRequest and an NSMutableData object to store what comes back in the didReceiveData: delegate method. In the connectionDidFinishingLoading: method I then save the NSMutableData object to the file system. All good. Except: if the file does not exist at the website, my code still runs, gets data and saves a file. How can I check the file is there before I make download request? 回答1: Implement connection

问题 I'm using NSURLConnection to perform a series of HTTP requests to the same host asynchronously, i. e. with [initWithRequest:delegate:startImmediately:] and a delegate. When connectionDidFinishLoading notification comes to the delegate, I release my connection object, then initialize and initiate another one, to the same host. Question - will the underlying socket be reused? The Connection:keep-alive server header is there, but I have no way of making sure that it's being respected. I mean,