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{
【设置UISegmentedControl选中颜色】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

    推荐阅读