Ios7 将图像添加到段控制器

在iOS 7之前，将彩色图像添加到段控制器很容易，但现在如果将图像添加到段控制器中，则只有使用默认着色颜色的图像可见，而不是实际颜色

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UIImage *segmentSelected = [[UIImage imageNamed:@"Off.png"]
                            resizableImageWithCapInsets:UIEdgeInsetsMake(6, 6, 6, 6)];
UIImage *segmentUnselected = [[UIImage imageNamed:@"On.png"]
                              resizableImageWithCapInsets:UIEdgeInsetsMake(6, 6, 6, 6)];
UIImage *segmentSelectedUnselected =
[UIImage imageNamed:@"dividerOn.png"];
UIImage *segUnselectedSelected =
[UIImage imageNamed:@"dividerOff.png"];

[[UISegmentedControl appearance] setBackgroundImage:segmentUnselected
                                           forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
[[UISegmentedControl appearance] setBackgroundImage:segmentSelected
                                           forState:UIControlStateSelected barMetrics:UIBarMetricsDefault];
[[UISegmentedControl appearance] setBackgroundImage:segmentUnselected
                                           forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];

[[UISegmentedControl appearance] setDividerImage:segUnselectedSelected
                             forLeftSegmentState:UIControlStateNormal // | UIControlStateHighlighted
                               rightSegmentState:UIControlStateSelected
                                      barMetrics:UIBarMetricsDefault];
[[UISegmentedControl appearance] setDividerImage:segUnselectedSelected
                             forLeftSegmentState:UIControlStateHighlighted
                               rightSegmentState:UIControlStateSelected
                                      barMetrics:UIBarMetricsDefault];
[[UISegmentedControl appearance] setDividerImage:segmentSelectedUnselected
                             forLeftSegmentState:UIControlStateSelected
                               rightSegmentState:UIControlStateNormal //| UIControlStateHighlighted)
                                      barMetrics:UIBarMetricsDefault];
[[UISegmentedControl appearance] setDividerImage:segmentSelectedUnselected
                             forLeftSegmentState:UIControlStateSelected
                               rightSegmentState:UIControlStateHighlighted
                                      barMetrics:UIBarMetricsDefault];

UIFont *font = [UIFont systemFontOfSize:16.0f];
UIColor *textColor = [UIColor darkGrayColor];
NSDictionary *attributes = [NSDictionary dictionaryWithObjectsAndKeys:
                            font, @"NSFontAttributeName",
                            textColor, @"NSForegroundColorAttributeName",
                            nil];

[[UISegmentedControl appearance] setTitleTextAttributes:attributes
                                               forState:UIControlStateNormal];

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使用：imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal修复它

UIImage *segmentImage = [UIImage imageNamed:@"Example"];

if ([UIImage instancesRespondToSelector:@selector(imageWithRenderingMode:)]) {
     segmentImage = [segmentImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
}

[self.control insertSegmentWithImage:segmentImage atIndex:i animated:NO];

---

只需将segmentController tintcolor更改为UIColor clearColor，即可使用style controlstyleborder

SegmentControl.backgroundColor= [UIColor clearColor];
[SegmentControl setTintColor:[UIColor clearColor]];