nsurlconnection

问题 I'm running in to an issue in an OS X app that creates multiple, persistent connections to the same host using NSURLConnection. I create a separate connection for different rooms, and it stays connected the entire time the room is open to consume a streaming API. When opening many rooms, it stops working correctly. I created a separate sample app that creates 10 connections, and it seems to only allow 6 connections to work, and the others are queued. Does anyone know if there is a way to

问题 I have searched for hours regarding the NSURLConnection delegates/methods that allows me to use to connect to any HTTPS servers. Even I searched on this site and I found answers, answers which didn't work for me. I will upload the code link if any of you want me to. But I would prefer a tutorial / sample codes / source code of a simple UIWebView connecting to any HTTPS Servers . And I will take it from there. Thanks in advance. 回答1: Whether you are connecting to a HTTPS or HTTP site should be

问题 I have searched for hours regarding the NSURLConnection delegates/methods that allows me to use to connect to any HTTPS servers. Even I searched on this site and I found answers, answers which didn't work for me. I will upload the code link if any of you want me to. But I would prefer a tutorial / sample codes / source code of a simple UIWebView connecting to any HTTPS Servers . And I will take it from there. Thanks in advance. 回答1: Whether you are connecting to a HTTPS or HTTP site should be

问题 The Situation In my app, I am currently downloading an mp3 file (to docs directory) using [NSData dataWithContentsOfURL:URL] , a method that works fine, but ties down the CPU, dissallowing screen updates of download status. So, I want to download using a different method so that I can update the screen WHILE downloading to alert the user that the download has begun. Question How do I set up my viewController to use NSURLRequest or NSURLConnection to download an mp3 file? (please give source)

问题 We've tried numerous times sending update PUT requests to our Rails server and we keep receiving a 404 "The page you were looking for does not exist" Our update method is very simple (practically generic rails). def update @user = User.find(params[:id]) respond_to do |format| if @user.update_attributes(params[:user]) format.html { redirect_to @user, notice: 'User was successfully updated.' } format.json { head :no_content } else format.html { render action: "edit" } format.json { render json:

问题 I need to download an .mp3 audio file from a server to save in my app and play it without downloading, exactly like the screenshot below, with a progress bar for the download (I found this in the App Store). Can anyone help me to do this in my app, with source code? Any help will be appreciated! Thanks in advance! I used NSURLConnection but it does not really work for me. Here is the screenshot of what I am trying to do. 回答1: This questions discusses what you're looking for Edit: If you want

问题 How can I implement -[NSURLConnection sendAsynchronousRequest:queue:completionHandler:] for iOS < 5? #if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_5_0 #import <objc/runtime.h> #import "NSURLConnection+iOS4.h" // Dynamically add -[NSURLConnection sendAsynchronousRequest:queue:completionHandler:]. void *sendAsynchronousRequest4(id self, SEL _cmd, NSURLRequest *request, NSOperationQueue *queue, void (^handler)(NSURLResponse*, NSData*, NSError*)); void *sendAsynchronousRequest4(id self, SEL

问题 I am receiving a SSL error in my NSURLConnection class, suddenly from iOS7 GM. I cannot access any of my APIs or webView pages, and is a severe emergency. Can anybody help me here? The error is as follows: NSURLConnection/CFURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9813) I've looked up the error, and it is explained as follows: errSSLNoRootCert = -9813, /* cert chain not verified by root */ My root certificate for my domain (confirmed via browser access) is "AddTrust External

问题 In my iPhone app, I am trying to display an image on iphone from my server, which needs authorization. I am trying to use NSURLConnection to get the image, but it is not asking me for the user credentials. i.e it is not at all going to didReceiveAuthenticationChallenge method. Can anyone help me with this issue? 回答1: You can compute the necessary Authorization header yourself and manually apply it to the outgoing NSURLRequest before creating the NSURLConnection, as in: NSMutableURLRequest

问题 I'm not really sure why my code is throwing a EXC_BAD_ACCESS, I have followed the guidelines in Apple's documentation: -(void)getMessages:(NSString*)stream{ NSString* myURL = [NSString stringWithFormat:@"http://www.someurl.com"]; NSURLRequest *theRequest = [NSURLRequest requestWithURL:[NSURL URLWithString:myURL]]; NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:theRequest delegate:self]; if (theConnection) { receivedData = [[NSMutableData data] retain]; } else { NSLog(