How to change Status bar color with Event

Question

I know change status bar color with under the code.

override var preferredStatusBarStyle : UIStatusBarStyle {
    return .default // or.lightContent
}

But for example, if I use this code with IBAction, how can write the right code?

Answer 1

When you want your status bar's appearance to change, you can call setNeedsStatusBarAppearanceUpdate on your view controller. In your @IBAction example:

@IBAction func changeStatusBarStyle() -> Void{
    // Do whatever you need to determine and set the next status bar style
    setNeedsStatusBarAppearanceUpdate()
}

Note that if you call setNeedsStatusBarAppearanceUpdate within an animation block, the style change will be animated

Answer 2

Set that the status bar needs to be updated when you click on the button. In this way 'preferredStatusBarStyle' will be called.

setNeedsStatusBarAppearanceUpdate()