将当前活动的键盘语言获取为NSLocale [英] Getting the currently active keyboard language as NSLocale

问题描述

我已经找到了很多解决方法，但是没有可行的解决方案.这是我尝试但没有奏效的方法.

I already found a lot of approaches for this but no working solution. Here's what I tried and didn't work.

(1)只需调用 primaryLanguage()

UITextInputMode().primaryLanguage

→总是返回nil:-/

→ always returns nil :-/

(2)订阅 UITextInputCurrentInputModeDidChangeNotification 通知

override func viewDidLoad() {
    NSNotificationCenter.defaultCenter().addObserver(self, selector: "changeInputMode:", name: UITextInputCurrentInputModeDidChangeNotification, object: nil)
}

func changeInputMode(sender : NSNotification) {
    ...?!
}

通知已触发，但尚不清楚如何从通知中提取当前语言信息.

The notification is getting triggered but it is unclear how I can extract the current language information from the notification.

(3)使用 activeInputModes()

let localeIdentifier = UITextInputMode.activeInputModes().first as? UITextInputMode
var locale:NSLocale = NSLocale(localeIdentifier: localeIdentifier.primaryLanguage!)
println("Input Mode Language \(localeIdentifier.primaryLanguage!)")

这总是提供所有可用键盘的相同阵列，没有有关实际活动键盘的信息.

This always provides the same array of all available keyboards, no information on the actually active one.

如何获取当前活动键盘的NSLocale?

How do I get the NSLocale of the currently active keyboard?

推荐答案

您可以通过访问以下文本字段 textInputMode 来从每个文本字段访问primaryLanguage:

You can access the primaryLanguage from every textfield by accessing the textfields textInputMode like that:

var language = textfield.textInputMode?.primaryLanguage

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