1. In your main class’ init method call this: operationQueue = [[NSOperationQueue alloc]init]; [operationQueue setMaxConcurrentOperationCount:1]; 2. Then in your viewWillAppear you can call this: [self showLoadingIndicators]; //calls a method which presents loading indicators (optional) [self beginLoadingTwitterData]; // this is the method that fires it all off 3. In your beginLoadingTwitterData you call this: NSInvocationOperation *operation = [[NSInvocationOperation alloc] initWithTarget:self selector:@selector(synchronousLoadTwitterData) object:nil]; [operationQueue addOperation:operation]; // creates and adds NSOperation to a queue [operation release]; 4. In this synchronousLoadTwitterData is where you do the heavy lifting: NSDictionary *dict = [[NSDictionary alloc] initWithDictionary:[TwitterHelper fetchInfoForUsername:[twitterIds objectAtIndex:count]]] // this calls for a method “fetchInfoForUsername” which returns an NSDictionary, but to do so, it connects to… Read More
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