Changing appearance causes broken keyboard/toolbar about gestalt HOT 4 CLOSED

Hi Patrick,

Thanks for taking the time to prepare a sample project!
Unfortunately I am not aware of any other way to accomplish this behavior.

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Hi @regexident,

I just had a quick look and the problem occurs, because during the window traversal, the views in the UITextEffectsWindow are also removed, which will then mess up the keyboard.

One potential "hack for the hack part" would be to ignore that class:

for window in windowScene.windows.reversed() {
    if NSStringFromClass(window.classForCoder) == "UITextEffectsWindow" {
        NSLog("===== Ignore UITextEffectsWindow")
        return
     }

    for view in window.subviews.reversed() {
        view.removeFromSuperview()
        window.addSubview(view)
    }
}

Is that something you would consider adding to your code? If yes, I can open up a merge request.

I'm currently unsure, if using this check is already considered private API usage. I've pinged an Apple DTS engineer and am awaiting an answer.

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Of course we could also do the reverse and only remove the views in case the window is in fact a UIWindow.

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@regexident I've added a sample implementation of how I would imagine a possible fix, I tried it out and it works for our use cases: #26

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