颜色着色UIButton图像

I noticed that when I place a white or black UIImage into a UISegmentedControl it automatically color masks it to match the tint of the segmented control. I thought this was really cool, and was wondering if I could do this elsewhere as well. For example, I have a bunch of buttons that have a uniform shape but varied colors. Instead of making a PNG for each button, could I somehow use this color masking to use the same image for all of them but then set a tint color or something to change their actual color?

当前回答

我有一个问题，掩蔽图像在突出显示的状态。我不希望发生这种事。如果你有同样的问题，看看这个:adjustsImageWhenHighlighted = false

2022-04-08 11:45:30

其他回答

Xamarin的。iOS (c#):

UIButton messagesButton = new UIButton(UIButtonType.Custom);
UIImage icon = UIImage.FromBundle("Images/icon.png");
messagesButton.SetImage(icon.ImageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate), UIControlState.Normal);
messagesButton.TintColor = UIColor.White;
messagesButton.Frame = new RectangleF(0, 0, 25, 25);

2016-10-25 07:39:42

正如Ric已经在他的帖子中提到的，你可以在代码中设置渲染模式，你也可以直接在图像目录中这样做，见下面所附的图像。只需要设置渲染为模板图像

注意，我在使用iOS 7和这种方法时遇到过问题。如果你也使用iOS 7，你可能也想在代码中完成，就像这里描述的。

2014-11-25 09:10:50

自定义按钮以各自的图像颜色显示。在故事板中将按钮类型设置为“System”(或者在代码中设置为UIButtonTypeSystem)，将以默认的色调呈现按钮的图像。

(在iOS9, Xcode 7.3上测试)

2016-06-25 16:49:35

以上都不适合我，因为点击后色调被清除。我必须使用

button.setImageTintColor(Palette.darkGray(), for: UIControlState())

2018-09-26 20:23:46

斯威夫特3.0

    let image = UIImage(named:"NoConnection")!

 warningButton = UIButton(type: .system)        
    warningButton.setImage(image, for: .normal)
    warningButton.tintColor = UIColor.lightText
    warningButton.frame = CGRect(origin: CGPoint(x:-100,y:0), size: CGSize(width: 59, height: 56))

    self.addSubview(warningButton)

2016-09-30 19:48:19

颜色着色UIButton图像

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