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I'm trying to create a UIButton of System type with a clear background color. The problem is that it shows a gray background color even if I set it to clearColor. I can do it with a Custom type UIButton, but then the button loses the default effects for focusing and selection.

Appearance of the System UIButton with a clear background color

Does anyone knows how to create a System UIButton with a entirely transparent background?

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2 回答 2

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Since tvOS 11 there is a solution for that using the button type "plain" instead of "system" without loosing the effects for focusing and selection:

  1. Open the button properties in the Interface builder an select "Type"->"Plain"Button Properties

  2. Set the button background color to "clear color"

Thats it.

Watch Apples Video about "UIButtonTypePlain" here (starts at 13:44): UIButtonTypePlain explained

于 2018-11-28T10:12:54.840 回答
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In storyboard Attributes Inspector you have to change button type System to Custom.

于 2015-10-03T05:59:54.647 回答