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lang-swift
UIViewis private. I am curious to see if your app gets approved using this.value(forKey key: String)is open so I'm assuming its ok to use. Can you please explain. If this is bad practice, how would you change the background color or the status bar. This methd has worked for me. I've tried adding a subview to thewindowobject in theAppDelegateand that didn't work.value(forKey key: String)method you are using the KVC of objc runtime to access a view you shouldn't have access to (and has no documentation referring to it BTW) during runtime only. This construction is used under iOS 10 but not under iOS 9 for instance (where you need to access thestatusBarWindowfirst), and you have absolutely no clue that it will persists under iOS 11. Internal construction and no docs means that Apple does not have any contract to respect here.