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[iOS][Swift] UIBarButtonItem.appearanceで色やフォントがすぐに反映されない場合

Last updated at 2019-03-12Posted at 2019-03-08

変更前にnilを設定してから、再度、設定すると反映されます。


            UIBarButtonItem.appearance().setTitleTextAttributes(nil, for: .normal)
            UIBarButtonItem.appearance().setTitleTextAttributes(nil, for: .highlighted)

            let attributes = [NSAttributedString.Key.font:  UIFont(name: "Helvetica-Bold", size: 0.1)!, NSAttributedString.Key.foregroundColor: UIColor.clear]
            UIBarButtonItem.appearance().setTitleTextAttributes(attributes, for: .normal)
            UIBarButtonItem.appearance().setTitleTextAttributes(attributes, for: .highlighted)

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