Warning: UIKit should not be called from a secondary thread

Question

In my iPhone app I need to connect to a web server as this can take some time I\'m using threads like this:

[NSThread detachNewThreadSelector:@selector(sendS         


        

Answer 1

Perform any selectors that handle UI updates on the main thread. You can do this with the NSObject method -performSelectorOnMainThread:withObject:waitUntilDone: