ios - Change alpha of imageview of UIButton -


is there way change alpha of uibutton's imageview? tried subclassing uibutton , below code, doesn't work.

self.imageview.alpha = 0.0;

i know can done adding external uiimageview subview uibutton want know if possible without it. thanks!

to conclude comments on both other answers: subclassing and/or adding uiimageview simplest choice archieve persistent, reliant behaviour.


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