更改UISegmentedControl的边框颜色

Question

我需要为这两个部分使用不同的边框颜色。默认情况下，我使用白色作为边框颜色。

谁能帮我这个忙吗？

Answer 1

段控制的扩展方法代码。

这是最新的Swift 3.0的有效代码[2017年3月]

创建Extension方法，作为对本机段控件的扩展。

extension UISegmentedControl {
    func setSegmentStyle() {

        let segmentGrayColor = UIColor(red: 0.889415, green: 0.889436, blue:0.889424, alpha: 1.0 )

        setBackgroundImage(imageWithColor(color: backgroundColor!), for: .normal, barMetrics: .default)
        setBackgroundImage(imageWithColor(color: tintColor!), for: .selected, barMetrics: .default)
        setDividerImage(imageWithColor(color: segmentGrayColor), forLeftSegmentState: .normal, rightSegmentState: .normal, barMetrics: .default)
        let segAttributes: NSDictionary = [
        NSForegroundColorAttributeName: UIColor.gray,
        NSFontAttributeName: UIFont(name: "Merriweather-Regular", size: 14)!
    ]
        setTitleTextAttributes(segAttributes as [NSObject : AnyObject], for: UIControlState.normal)
        let segAttributesExtra: NSDictionary = [
        NSForegroundColorAttributeName: UIColor.white,
        NSFontAttributeName: UIFont(name: "Merriweather-Regular", size: 14)!
    ]
        setTitleTextAttributes(segAttributesExtra as [NSObject : AnyObject], for: UIControlState.selected)
        selectedSegmentIndex = -1
        self.layer.borderWidth = 1.0
        self.layer.cornerRadius = 5.0
        self.layer.borderColor = segmentGrayColor.cgColor
        self.layer.masksToBounds = true
    }

// create a 1x1 image with this color
    private func imageWithColor(color: UIColor) -> UIImage {
        let rect = CGRect(x: 0.0, y: 0.0, width:  1.0, height: 1.0)
        UIGraphicsBeginImageContext(rect.size)
        let context = UIGraphicsGetCurrentContext()
        context!.setFillColor(color.cgColor);
        context!.fill(rect);
        let image = UIGraphicsGetImageFromCurrentImageContext();
        UIGraphicsEndImageContext();
        return image!
    }
}

此扩展可以在使用UIsegment控件的任何代码中使用。

myUISegment.setSegmentStyle()

这将应用应用于细分控件的所有样式。

注意：在此示例中，我删除了默认边框，更改了字体，在正常模式，选定模式下设置了不同的颜色，边框明确地做了一些颜色。

根据您的要求和颜色，您可以相应地更改为绿色或任何自定义颜色，这些颜色也显示在示例“ segmentGrayColor ”中

Answer 2

快速尝试：

class MySegmentedControl: UISegmentedControl{

    override func awakeFromNib() {
       super.awakeFromNib()
       for selectView in subviews{
            selectView.layer.borderColor = borderColor?.CGColor
            selectView.layer.borderWidth = CGFloat(borderWidth)
            selectView.layer.cornerRadius = CGFloat(cornerRadius)
            selectView.layer.masksToBounds = true
       }
    }

}

这是因为每个细分都是一个视图，您可以自定义它，但是您想要

Answer 3

尝试这样。

NSArray *arri = [segment subviews];

// Change the tintColor of each subview within the array:

[[arri objectAtIndex:0] setTintColor:[UIColor redColor]];

[[arri objectAtIndex:1] setTintColor:[UIColor greenColor]];

Answer 4

一个简单的解决方案：

//Set default tint color. This will set text color and border color
[[UISegmentedControl appearance] setTintColor:[UIColor whiteColot]];
// Set background image for normal and selected state. This will appear on top of the border and cover the actual border.
[[UISegmentedControl appearance] setBackgroundImage:[UIImage imageNamed:@"btn-blue-shade-1"] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
[[UISegmentedControl appearance] setBackgroundImage:[UIImage imageNamed:@"btn-blue-shade-2"] forState:UIControlStateSelected barMetrics:UIBarMetricsDefault];

Answer 5

尝试这个

segment.layer.borderColor = [UIColor colorWithRed:<#(CGFloat)#> green:<#(CGFloat)#> blue:<#(CGFloat)#> alpha:<#(CGFloat)#>];
segment.layer.borderWidth = 1.0f;
segment.layer.cornerRadius = 5.0f;