从暗模式切换到亮模式时如何修复搜索栏 swift

Question

Hi I have a problem with searchbar. I use this function to switch my app between dark and light mode

func changeStyle(dark: Bool){
    let window = UIApplication.shared.windows.first { $0.isKeyWindow }
      if dark == true {
          window?.overrideUserInterfaceStyle = .dark 
      }else{
          window?.overrideUserInterfaceStyle = .light
      }
}

All works fine but only search bar have a problem. Searchbar remains in dark mode when I switch to light mode. See image below How can I fix it?

Answer 1

Try listening for the change and set manually using traitCollectionDidChange :

override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
    super.traitCollectionDidChange(previousTraitCollection)

    if #available(iOS 13.0, *) {
        if traitCollection.hasDifferentColorAppearance(comparedTo: previousTraitCollection) {
        //Set colours here
    }
}