tvOS UITextField blank after editing -

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editing uitextfield in tvos shows new view user can enter in text, , when text entry done, user returned previous view. however, have found when return text editor, text edit not show in text fields. what's going on?

tvos version 9.1

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the reason why isn't working because uitextfield using non-default background color. apparently in tvos, background color rendered layer after text has been rendered (interestingly enough, not affect placeholder text). happens in interface builder. bug report has been sent apple.

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