UIVIevController覆盖

Question

I have some troubles (error: Method does not override any method from its superclass) with overriding UIVC method, what am I doing wrong?

Code example with supportedInterfaceOrientation, which doesn`t cause error, but still not overriding and not working.

func supportedInterfaceOrientations() -> UIInterfaceOrientationMask{
return UIInterfaceOrientationMask(rawValue:(UIInterfaceOrientationMask.portrait.rawValue | UIInterfaceOrientationMask.landscape.rawValue))}

Screenshot problem enter image description here

Answer 1

supportedInterfaceOrientations is a computed property, not a function:

https://developer.apple.com/documentation/uikit/uiviewcontroller/1621435-supportedinterfaceorientations

so error is correct - there is no such function in superclass.

Replace func with var and () -> with :

Answer 2

The new versions of the Xcode the method have changed. Now it's a variable that you can override.

@available(iOS 6.0, *)
open var supportedInterfaceOrientations: UIInterfaceOrientationMask { get }

Answer 3

It's a property. Swift override:

override var supportedInterfaceOrientations: UIInterfaceOrientationMask {
    get {
        return UIInterfaceOrientationMask.all
    }
}