设置UISegmentedControl选中颜色

@interface UISegmentedControl (Extension)

- (void)setTintColor:(UIColor *)tintColor;

@end

@implementation UISegmentedControl (Extension)

- (void)setTintColor:(UIColor*)tintColor{

      // UISegmentedControl has changed in iOS 13 and setting the tint

        // color now has no effect.

        if(@available(iOS13, *)) {

            UIImage*tintColorImage = [selfimageWithColor:tintColor];

            // Must set the background image for normal to something (even clear) else the rest won't work

            [self setBackgroundImage:[self imageWithColor:self.backgroundColor ? self.backgroundColor : [UIColor clearColor]] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];

           [self setBackgroundImage:tintColorImage forState:UIControlStateSelected barMetrics:UIBarMetricsDefault];

            [self setBackgroundImage:[self imageWithColor:[tintColor colorWithAlphaComponent:0.2]] forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];

            [self setBackgroundImage:tintColorImage forState:UIControlStateSelected|UIControlStateSelected barMetrics:UIBarMetricsDefault];

            [self setTitleTextAttributes:@{NSForegroundColorAttributeName: tintColor} forState:UIControlStateNormal];

            [self setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor whiteColor]} forState:UIControlStateSelected];

            [self setDividerImage:tintColorImage forLeftSegmentState:UIControlStateNormal rightSegmentState:UIControlStateNormal barMetrics:UIBarMetricsDefault];

            self.layer.borderWidth=1;

            self.layer.borderColor= [tintColorCGColor];

        }else{

            self.tintColor= tintColor;

        }

}

- (UIImage*)imageWithColor: (UIColor*)color {

    CGRectrect =CGRectMake(0.0f,0.0f,1.0f,1.0f);

    UIGraphicsBeginImageContext(rect.size);

    CGContextRef context = UIGraphicsGetCurrentContext();

    CGContextSetFillColorWithColor(context, [color CGColor]);

    CGContextFillRect(context, rect);

    UIImage *theImage = UIGraphicsGetImageFromCurrentImageContext();

    UIGraphicsEndImageContext();

    returntheImage;

}

@end