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What is the difference between a programmatic segue called by performSegueWithIdentifier: and a segue performed by dragging a UIButton to a view. I thought they would be the same but the former closes a UIWebView (facebook OAuth dialog) upon loading the view which is being “segued” to, while the latter does not.
In order to even call
performSegueWithIdentifieryou will still need to link up a segue in interface builder. The only difference is, calling the segue programmatically allows you to make conditions or custom triggers that will cause the view change. Not just clicking a button.