How would I find a UINavigationBar's current UIBarMetrics value?

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Posted by - Latinos Media -

on - June 3, 2023 -

Filed in - Technology -

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I'm using the setBackButtonTitlePositionAdjustment:forBarMetrics: method on UIBarButtonItem's appearance like so:

UIBarButtonItem.appearance().setBackButtonTitlePositionAdjustment(UIOffsetMake(12, -1), forBarMetrics: .Default)
UIBarButtonItem.appearance().setBackButtonTitlePositionAdjustment(UIOffsetMake(15, -1), forBarMetrics: .Compact)

Then, in a view controller I'd like to use backButtonTitlePositionAdjustment(for:) to get the value. I assumed there must be a UIBarMetrics value I could use - perhaps in the navigation bar or a UITraitCollection, but I think I'm missing something obvious?

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