iphone - Button background setting -

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It's almost embarrassing to ask this question, but I do not get the answer in any document.

I have a UIButton in a scene in the IB, I had set the background of the button in Color, the identical inspection shows the half-black, half-white rectangle for the background of the original rectangle button.

I can not find any way to set the background in the original settings. Does anyone know this?

Thanks in advance for any help.

John Donor

half black, half white means an alpha value.

Click on the color, and in the bottom part of the color picker, you can set the alpha. To get the original value back, set it back to 0%.


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