使用工具栏中的分段控件,Maurizio 的回答对我来说不太适用;由于分隔线图像不够宽,它一直在控件上显示这些虚线。
所以我自己做了。以下是 Xcode 所需的所有图像,我还放入了 Photoshop 文件以创建分段控制图像,以便您更改样式:
https://s3.amazonaws.com/iwasrobbed/stackoverflow/Custom+Segmented+Control.zip
将其放入您的 AppDelegate 以使用附加的图像更改工具栏中所有分段控件的外观:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
[self customizeAppAppearance];
}
- (void)customizeAppAppearance
{
// Toolbar
[[UIToolbar appearance] setBackgroundImage:[[UIImage imageNamed:@"toolbar.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(22, 5, 22, 5)] forToolbarPosition:UIToolbarPositionAny barMetrics:UIBarMetricsDefault];
// Segmented Controls within Toolbars
// Unselected background
UIImage *unselectedBackgroundImage = [[UIImage imageNamed:@"segmentInactive.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(15, 15, 15, 15)];
[[UISegmentedControl appearanceWhenContainedIn:[UIToolbar class], nil] setBackgroundImage:unselectedBackgroundImage
forState:UIControlStateNormal
barMetrics:UIBarMetricsDefault];
// Selected background
UIImage *selectedBackgroundImage = [[UIImage imageNamed:@"segmentActive.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(15, 15, 15, 15)];
[[UISegmentedControl appearanceWhenContainedIn:[UIToolbar class], nil] setBackgroundImage:selectedBackgroundImage
forState:UIControlStateSelected
barMetrics:UIBarMetricsDefault];
// Image between two unselected segments
UIImage *bothUnselectedImage = [[UIImage imageNamed:@"segmentBothInactive.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(15, 10, 15, 10)];
[[UISegmentedControl appearanceWhenContainedIn:[UIToolbar class], nil] setDividerImage:bothUnselectedImage
forLeftSegmentState:UIControlStateNormal
rightSegmentState:UIControlStateNormal
barMetrics:UIBarMetricsDefault];
// Image between segment selected on the left and unselected on the right
UIImage *leftSelectedImage = [[UIImage imageNamed:@"segmentLeftActiveRightInactive.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(15, 0, 15, 0)];
[[UISegmentedControl appearanceWhenContainedIn:[UIToolbar class], nil] setDividerImage:leftSelectedImage
forLeftSegmentState:UIControlStateSelected
rightSegmentState:UIControlStateNormal
barMetrics:UIBarMetricsDefault];
// Image between segment selected on the right and unselected on the left
UIImage *rightSelectedImage = [[UIImage imageNamed:@"segmentRightActiveLeftInactive.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(15, 0, 15, 0)];
[[UISegmentedControl appearanceWhenContainedIn:[UIToolbar class], nil] setDividerImage:rightSelectedImage
forLeftSegmentState:UIControlStateNormal
rightSegmentState:UIControlStateSelected
barMetrics:UIBarMetricsDefault];
}