ios app extension - Recognize the Host App in an iOS8 Custom Keyboard -

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How do I identify which host app is running my keyboard?

Actually, I want to change

It is not possible unless it is an app of your own, or you have some kind of support with the app running.

A custom keyboard and a running application can communicate with Darwin Notification. The running application needs to broadcast the Darwin Notification, and the keyboard needs to pay attention to it. So if the developer is not already broadcasting it, then you can not identify it.


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