iOS 5自定义UI

代码摘自：http://www.raywenderlich.com/49316/how-to-update-your-app-for-ios-7

#if CUSTOM_APPEARANCE

UIColor *DarkTextColor;
UIColor *LightTextColor;
UIColor *SeparatorColor;
UIColor *TableColor;

- (void)customizeAppearance
{
// Colors

DarkTextColor = [UIColor colorWithRed:59/255.0f green:29/255.0f blue:19/255.0f alpha:1.0f];
LightTextColor = [UIColor colorWithRed:195/255.0f green:143/255.0f blue:89/255.0f alpha:1.0f];
SeparatorColor = [UIColor colorWithRed:209/255.0f green:184/255.0f blue:157/255.0f alpha:1.0f];
TableColor = [UIColor colorWithRed:240/255.0f green:227/255.0f blue:213/255.0f alpha:1.0f];

// Navigation Bar

[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:@"NavBarBackground-Portrait"] forBarMetrics:UIBarMetricsDefault];
[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:@"NavBarBackground-Landscape"] forBarMetrics:UIBarMetricsLandscapePhone];

[[UINavigationBar appearance] setShadowImage:[UIImage imageNamed:@"ShadowDown"]];

[[UINavigationBar appearance] setTitleTextAttributes:@{
UITextAttributeTextColor : [UIColor whiteColor],
UITextAttributeTextShadowColor : [UIColor blackColor],
UITextAttributeTextShadowOffset : [NSValue valueWithUIOffset:UIOffsetMake(0.0f, -1.0f)],
}];

// Buttons for Navigation Bar

UIImage *barButtonPortrait = [[UIImage imageNamed:@"BarButtonItem-Portrait"] resizableImageWithCapInsets:UIEdgeInsetsMake(0.0f,
7.0f, 0.0f, 7.0f)];
UIImage *barButtonLandscape = [[UIImage imageNamed:@"BarButtonItem-Landscape"] resizableImageWithCapInsets:UIEdgeInsetsMake(0.0f,
7.0f, 0.0f, 7.0f)];

[[UIBarButtonItem appearance] setBackgroundImage:barButtonPortrait forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
[[UIBarButtonItem appearance] setBackgroundImage:barButtonLandscape forState:UIControlStateNormal barMetrics:UIBarMetricsLandscapePhone];

[[UIBarButtonItem appearance] setTitleTextAttributes:@{
UITextAttributeTextColor : [UIColor whiteColor],
UITextAttributeTextShadowColor : [UIColor blackColor],
UITextAttributeTextShadowOffset : [NSValue valueWithUIOffset:UIOffsetMake(0.0f, -1.0f)],
}
forState:UIControlStateNormal];

UIImage *backButtonPortrait = [[UIImage imageNamed:@"BackButton-Portrait"] resizableImageWithCapInsets:UIEdgeInsetsMake(0.0f,
18.0f, 0.0f, 7.0f)];
UIImage *backButtonLandscape = [[UIImage imageNamed:@"BackButton-Landscape"] resizableImageWithCapInsets:UIEdgeInsetsMake(0.0f,
18.0f, 0.0f, 7.0f)];

[[UIBarButtonItem appearance] setBackButtonBackgroundImage:backButtonPortrait forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
[[UIBarButtonItem appearance] setBackButtonBackgroundImage:backButtonLandscape forState:UIControlStateNormal barMetrics:UIBarMetricsLandscapePhone];

// Tab Bar

[[UITabBar appearance] setBackgroundImage:[UIImage imageNamed:@"TabBarBackground"]];
[[UITabBar appearance] setShadowImage:[UIImage imageNamed:@"ShadowUp"]];
[[UITabBar appearance] setSelectionIndicatorImage:[UIImage imageNamed:@"TabBarSelection"]];

[[UITabBarItem appearance] setTitleTextAttributes:@{
UITextAttributeTextColor : [UIColor colorWithRed:206/255.0f green:161/255.0f blue:109/255.0f
alpha:1.0f],
UITextAttributeTextShadowColor : [UIColor colorWithWhite:0.0f alpha:0.5f],
UITextAttributeTextShadowOffset : [NSValue valueWithUIOffset:UIOffsetMake(0.0f,
1.0f)],
}
forState:UIControlStateNormal];

[[UITabBarItem appearance] setTitleTextAttributes:@{
UITextAttributeTextColor : [UIColor colorWithRed:219/255.0f green:202/255.0f blue:184/255.0f
alpha:1.0f],
UITextAttributeTextShadowColor : [UIColor colorWithRed:0.0f green:0.0f blue:0.0f alpha:0.5f],
UITextAttributeTextShadowOffset : [NSValue valueWithUIOffset:UIOffsetMake(0.0f, -1.0f)],
}
forState:UIControlStateSelected];

// Toolbar

[[UIToolbar appearance] setBackgroundImage:[UIImage imageNamed:@"ToolbarBackground"] forToolbarPosition:UIToolbarPositionBottom barMetrics:UIBarMetricsDefault];
[[UIToolbar appearance] setShadowImage:[UIImage imageNamed:@"ShadowUp"] forToolbarPosition:UIToolbarPositionBottom];

// Search Bar

[[UISearchBar appearance] setBackgroundImage:[UIImage imageNamed:@"SearchBarBackground"]];

// Segmented Control

UIImage *segmentImage = [[UIImage imageNamed:@"SegmentedControl"] resizableImageWithCapInsets:UIEdgeInsetsMake(0.0f,
15.0f, 0.0f, 15.0f)];

[[UISegmentedControl appearance] setBackgroundImage:segmentImage forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];

[[UISegmentedControl appearance] setDividerImage:[UIImage imageNamed:@"SegmentedControlDivider"]
forLeftSegmentState:UIControlStateNormal
rightSegmentState:UIControlStateNormal
barMetrics:UIBarMetricsDefault];
}

#endif