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iosswiftuiviewcontrollerswift3xcode8

prefersStatusBarHidden, preferredStatusBarStyle properties in Swift 3

Starting Swift 3 / iOS 10, methods such as preferredStatusBarStyle and prefersStatusBarHidden became:

    @available(iOS 7.0, *)
    open var preferredStatusBarStyle: UIStatusBarStyle { get }

    @available(iOS 7.0, *)
    open var prefersStatusBarHidden: Bool { get }

As such existing code that used to override the methods no longer builds. Given these properties are readonly, how can you assign them a value / override them?

Solution

  • You need to learn that in Swift (since the first public beta pre-1.0), you can override properties. Read-only properties can be overridden like this:

    override var preferredStatusBarStyle: UIStatusBarStyle {
    return yourPreferredStatusBarStyle
}