How to force view controller orientation in iOS 8?

Question

Before iOS 8, we used below code in conjunction with supportedInterfaceOrientations and shouldAutoRotate delegate methods to force app orie

Answer 1

The top solution above:

let value = UIInterfaceOrientation.LandscapeLeft.rawValue
UIDevice.currentDevice().setValue(value, forKey: "orientation")

didnt'work for me when I called it in viewDidAppear of the presented view controller. However it did work when I called it in preparForSegue in the presenting view controller.

(Sorry, not enough reputation points to comment on that solution, so I had to add it like this)