[英]Issue switching app to Dark Mode when device is in dark mode | Swift iOS 13
当设备上已经启用暗模式并且我打开我的应用程序时,所有指定暗模式的颜色集都没有被应用:
但是当应用程序已经打开并从控制中心切换到暗模式时,以下代码会更改颜色:
override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
super.traitCollectionDidChange(previousTraitCollection)
guard let previousTraitCollection = previousTraitCollection else {return}
if #available(iOS 13.0, *) {
if previousTraitCollection.hasDifferentColorAppearance(comparedTo: traitCollection) {
//Dark Mode
let inputBackground = UIColor(named: "TEST1backgroundColor")
let inputPlaceholder = UIColor(named: "TEST1placeholderColor")
passwordBack.layer.backgroundColor = inputBackground?.cgColor
TextField1.placeholderColor = inputPlaceholder!
TextField2.placeholderColor = inputPlaceholder!
TextField1.textColor = inputPlaceholder!
TextField2.textColor = inputPlaceholder!
}
}
}
启动已经处于暗模式时如何应用这种颜色变化?
CGColors
不会对深色或浅色模式做出反应。 您没有显示passwordBack
的声明,但假设它是UIView
或子类,请将其backgroundColor
属性直接设置为inputBackground
而不是使用layer.backgroundColor
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