如何在 iOS 中更改键盘背景颜色？
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How to change keyboard background color in iOS?
提问by Matthieu Lucas
I would like to know how to change the keyboard background color programmatically in iOS? The background is normally grey but I have already seen black background (behind letters).
我想知道如何在 iOS 中以编程方式更改键盘背景颜色？背景通常是灰色的，但我已经看到黑色背景（在字母后面）。
回答by A-Live
For the dark background use:
对于深色背景使用：
mytextfield.keyboardAppearance = UIKeyboardAppearanceAlert;
Read to find more information about UITextInputTraits(use UIKeyboardAppearanceDarkat iOS 7+).
阅读以了解有关UITextInputTraits 的更多信息（UIKeyboardAppearanceDark在 iOS 7+ 上使用）。
回答by Soheil Jadidian
To change it globally, you can use appearance proxy in AppDelegate... I've tested it in iOS 8, Swift:
要全局更改它，您可以在 AppDelegate 中使用外观代理...我已经在 iOS 8、Swift 中对其进行了测试：
UITextField.appearance().keyboardAppearance = UIKeyboardAppearance.dark
回答by Mr. T
In iOS 7, UIKeyboardAppearanceAlertis deprecated, so use this instead:
在 iOS 7 中，UIKeyboardAppearanceAlert已弃用，因此请改用它：
mytextfield.keyboardAppearance = UIKeyboardAppearanceDark;
If you need to support both earlier iOSes and iOS 7, and you've created the necessary macros (per https://stackoverflow.com/a/5337804/588253), you can use this:
如果您需要同时支持早期的 iOS 和 iOS 7，并且您已经创建了必要的宏（根据https://stackoverflow.com/a/5337804/588253），您可以使用这个：
mytextfield.keyboardAppearance = (SYSTEM_VERSION_LESS_THAN(@"7.0") ? UIKeyboardAppearanceAlert : UIKeyboardAppearanceDark);
回答by Emmanouil Nicolas
Updating to swift 3.0
更新到 swift 3.0
let textFieldAppearance = UITextField.appearance()
textFieldAppearance.keyboardAppearance = .dark //.default//.light//.alert
let textFieldAppearance = UITextField.appearance()
textFieldAppearance.keyboardAppearance = .dark //.default//.light//.alert
回答by nambatee
If you're using Interface Builder, you can set keyboard look in the Attributes Inspector:
如果您使用的是 Interface Builder，则可以在 Attributes Inspector 中设置键盘外观：
回答by Dani G.
SWIFT 4+: in the AppDelegate
SWIFT 4+：在 AppDelegate 中
UITextField.appearance().keyboardAppearance = .dark
回答by Mike
Today just use myTextField.keyboardAppearance = .dark
今天只用 myTextField.keyboardAppearance = .dark
回答by Mussa Charles
Swift 5+ (TextView)
Swift 5+ (TextView)
textView.keyboardAppearance = .dark
