iphone - Send message to a different class (Obj C) -

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I have a UITableViewController (OnTVViewController) which is seeing DidLoad is similar to the below (originally parsed some XML in the background And shows an activity indicator while it is happening).

  - (zero) viewDidoad {onTVXMLParser * xmlParser = [[onTVXMLParser alloc] init]; / * Parsing commands in background * / [NSThread detachNewThreadSelector: @selector (pars) to target: xml parser with object: self]; // [xmlParser parse]; // New view to disable user interaction during download. LoadView = [[UIView alloc] initWithFrame: [[UIScreen main screen] border]]; LoadView.backgroundColor = [UIColor darkGrayColor]; // Loader Spinner UIActivityIndicatorView * act = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle: UIActivityIndicatorViewStyleWhiteLarge] ;; [LoadView addSubview: Act]; Act.center = loadView.center; [Self.view addSubview: loadView]; [Self.view LaosVivio Toufrant: Loadvis]; [Starting the act]; [Issue issued]; [Super viewedload]; }  

This is also the way to remove activity indicators in the OnTVViewController (only trying to log a message during debugging):

  - (zero) removeActivityView [/ [Remove the LoadViewArmospeaveView]; NSLog (@ "activity should be seen here"); }  

I have in my OttexML process class:

  - (BOOL) parse {NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; NSLog (@ "Sleeping for 5 Seconds"); [NSThread sophisticated interval: 5.0]; NSLog (@ "Sleep finished"); // Time has passed. I want to remove the activity view. Self Performance Selector main andthread: @Selector (deletedActiviviewView) with object: Zero Waiting Don: Wrong]; // Create an NSURL with the RSS feed address and use NSXMLParser NSURL * url = [[NSURL alloc] initWithString: @ "http://aurl.com/xml"] to immediately; NSXMLParser * parser = [[NSXMLParser alloc] initWithContentsOfURL: url]; // snap lots of parsing material, it all runs [pool release]; Yes come back }  

After the "pars" method is exhausted on the XMLParser class, I want to call removeActivityIndicator on the OTV Controller object. This is probably really simple but I'm new to iPhone programming and beating my head against the wall.

I understand that I need to use selectNearMainThread - but how do I refer to the example of OnTVViewController, which I want to target? I imported the OnTVViewController header file to the ONTVXLLPERSER.

- I get an error at the moment: