nsurlconnection – Page 3

NSURLConnection and Basic HTTP Authentication in iOS

January 29, 2023 by Tarik

I’m using an asynchronous connection with MGTwitterEngine and it sets the authorization in the NSMutableURLRequest (theRequest) like so: NSString *authStr = [NSString stringWithFormat:@”%@:%@”, [self username], [self password]]; NSData *authData = [authStr dataUsingEncoding:NSASCIIStringEncoding]; NSString *authValue = [NSString stringWithFormat:@”Basic %@”, [authData base64EncodingWithLineLength:80]]; [theRequest setValue:authValue forHTTPHeaderField:@”Authorization”]; I don’t believe this method requires going through the challenge loop but … Read more

Sending an HTTP POST request on iOS

January 28, 2023 by Tarik

The following code describes a simple example using POST method.(How one can pass data by POST method) Here, I describe how one can use of POST method. 1. Set post string with actual username and password. NSString *post = [NSString stringWithFormat:@”Username=%@&Password=%@”,@”username”,@”password”]; 2. Encode the post string using NSASCIIStringEncoding and also the post string you need … Read more

Managing multiple asynchronous NSURLConnection connections

January 25, 2023 by Tarik

I track responses in an CFMutableDictionaryRef keyed by the NSURLConnection associated with it. i.e.: connectionToInfoMapping = CFDictionaryCreateMutable( kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); It may seem odd to use this instead of NSMutableDictionary but I do it because this CFDictionary only retains its keys (the NSURLConnection) whereas NSDictionary copies its keys (and NSURLConnection doesn’t support copying). Once … Read more

Easiest way to detect Internet connection on iOS?

November 20, 2022 by Tarik

I did a little more research and I am updating my answer with a more current solution. I am not sure if you have already looked at it but there is a nice sample code provided by Apple. Download the sample code here Include the Reachability.h and Reachability.m files in your project. Take a look … Read more

CFNetwork SSLHandshake failed iOS 9

October 15, 2022 by Tarik

iOS 9 and OSX 10.11 require TLSv1.2 SSL for all hosts you plan to request data from unless you specify exception domains in your app’s Info.plist file. The syntax for the Info.plist configuration looks like this: <key>NSAppTransportSecurity</key> <dict> <key>NSExceptionDomains</key> <dict> <key>yourserver.com</key> <dict> <!–Include to allow subdomains–> <key>NSIncludesSubdomains</key> <true/> <!–Include to allow insecure HTTP requests–> <key>NSExceptionAllowsInsecureHTTPLoads</key> … Read more

The resource could not be loaded because the App Transport Security policy requires the use of a secure connection

September 11, 2022 by Tarik

I have solved it with adding some key in info.plist. The steps I followed are: Opened my Project target’s info.plist file Added a Key called NSAppTransportSecurity as a Dictionary. Added a Subkey called NSAllowsArbitraryLoads as Boolean and set its value to YES as like following image. Clean the Project and Now Everything is Running fine … Read more