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@@ -74,7 +74,14 @@
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a tricky part (see eg. [3]) seems to be to hold the correct type of rerences to the UIViewControllers.
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-TODO: what are the requirements?
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+- at least one "strong" (normal) reference is needed somewhere.
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+
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+- only "weak" or "unowned" references are not sufficient
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+ ("weak" always needs unwrap and may be come nil at any time,
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+ "unowned" is kind of always-unwrapped "weak").
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+
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+- currently, we hold strong references to the coordinators
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+ which hold strong references to the view controllers
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## what is needed? what adds unneeded complexity?
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@@ -107,6 +114,7 @@ TODO: what are the requirements?
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[2] delegator/delegate: https://stackoverflow.com/questions/7052926/what-is-the-purpose-of-an-ios-delegate https://developer.apple.com/library/archive/documentation/General/Conceptual/DevPedia-CocoaCore/Delegation.html
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-[3] weak coordinator bug: https://github.com/deltachat/deltachat-ios/issues/675
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+[3] weak coordinator bugs: https://github.com/deltachat/deltachat-ios/issues/675,
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+https://github.com/deltachat/deltachat-ios/issues/323
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[4] https://developer.apple.com/documentation/uikit/uiapplicationdelegate/1622921-application
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B. Petersen