UIKit: UIApearance

前言

When someone purchases an iPhone, they are buying into Apple’s philosophy that things that work well should look good, too. The same goes for when we choose to develop for iOS—a sloppy UI reflects poorly on the underlying code.

自从iOS5之后，UIAppearance协议的出现让我们的可以快速的修改系统控件的UI，使整个APP的界面简洁，风格统一，美观，有全局的tabBar、navigationBar、toolBar颜色和文字等各种属性。

UIAppearance是什么

UIApearance实际上是一个协议，我们可以用它来获取一个类的外观代理(appearance proxy)。为什么说是一个类，而不明确说是一个视图或控件呢？这是因为有些非视图对象(如UIBarButtonItem)也可以实现这个协议，来定义其所包含的视图对象的外观。我们可以给这个类的外观代理发送一个修改消息，来自定义一个类的实例的外观。

UIAppearance使用方法

UIAppearance有两种使用方法：

1.直接遵守UIAppearance协议的类
UINavigationBar:

[[UINavigationBar appearance] setBarTintColor:myNavBarBackgroundColor];

2.对于类中包含一个遵守UIAppearance协议的对象或者UIView的层级结构中含有遵守UIAppearance协议的子控件，可以使用UIAppearance方法appearanceWhenContainedIn：获取协议对象，设置相关属性

[[UIBarButtonItem appearanceWhenContainedIn:[UINavigationBar class], nil] setBackgroundImage:myNavBarButtonBackgroundImage forState:state barMetrics:metrics];
[[UIBarButtonItem appearanceWhenContainedIn:[UINavigationBar class], [UIPopoverController class], nil] setBackgroundImage:myPopoverNavBarButtonBackgroundImage forState:state barMetrics:metrics];
[[UIBarButtonItem appearanceWhenContainedIn:[UIToolbar class], nil] setBackgroundImage:myToolbarButtonBackgroundImage forState:state barMetrics:metrics];
[[UIBarButtonItem appearanceWhenContainedIn:[UIToolbar class], [UIPopoverController class], nil] setBackgroundImage:myPopoverToolbarButtonBackgroundImage forState:sta

常用和支持的类

列举出来它支持的类
1.UIActivitiIndicatorView 　
2.UIBarButtonItem　　
3.UIBarItem　
4.UINavgationBar　
5.UIPopoverControll　　
6.UIProgressView　　
7.UISearchBar　　
8.UISegmentControll　　
9.UISlider　　
10.UISwitch　　
11.UITabBar　　
12.UITabBarItem　　
13.UIToolBar　　
14.UIView　　
15.UIViewController

遵守UIAppearance协议的对象和属性、方法列表

终端命令：
$cd /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/UIKit.framework/Headers
$grep -H UI_APPEARANCE_SELECTOR ./ | sed 's/ __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_5_0) UI_APPEARANCE_SELECTOR;//'

UIActivityIndicatorView:

/UIActivityIndicatorView.h:@property (nullable, readwrite, nonatomic, strong) UIColor *color NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;

UIBarButtonItem.h

./UIBarButtonItem.h:- (void)setBackgroundImage:(nullable UIImage *)backgroundImage forState:(UIControlState)state barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UIBarButtonItem.h:- (nullable UIImage *)backgroundImageForState:(UIControlState)state barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UIBarButtonItem.h:- (void)setBackgroundImage:(nullable UIImage *)backgroundImage forState:(UIControlState)state style:(UIBarButtonItemStyle)style barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UIBarButtonItem.h:- (nullable UIImage *)backgroundImageForState:(UIControlState)state style:(UIBarButtonItemStyle)style barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UIBarButtonItem.h:- (void)setBackgroundVerticalPositionAdjustment:(CGFloat)adjustment forBarMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR; 
./UIBarButtonItem.h:- (CGFloat)backgroundVerticalPositionAdjustmentForBarMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UIBarButtonItem.h:- (void)setTitlePositionAdjustment:(UIOffset)adjustment forBarMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR; 
./UIBarButtonItem.h:- (UIOffset)titlePositionAdjustmentForBarMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UIBarButtonItem.h:- (void)setBackButtonBackgroundImage:(nullable UIImage *)backgroundImage forState:(UIControlState)state barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED;
./UIBarButtonItem.h:- (nullable UIImage *)backButtonBackgroundImageForState:(UIControlState)state barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED;
./UIBarButtonItem.h:- (void)setBackButtonTitlePositionAdjustment:(UIOffset)adjustment forBarMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED;
./UIBarButtonItem.h:- (UIOffset)backButtonTitlePositionAdjustmentForBarMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED;
./UIBarButtonItem.h:- (void)setBackButtonBackgroundVerticalPositionAdjustment:(CGFloat)adjustment forBarMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED;
./UIBarButtonItem.h:- (CGFloat)backButtonBackgroundVerticalPositionAdjustmentForBarMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED;
./UIBarItem.h:- (void)setTitleTextAttributes:(nullable NSDictionary<NSString *,id> *)attributes forState:(UIControlState)state NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UIBarItem.h:- (nullable NSDictionary<NSString *,id> *)titleTextAttributesForState:(UIControlState)state NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;

UIButton

./UIButton.h:@property(nonatomic)UIEdgeInsets contentEdgeInsets UI_APPEARANCE_SELECTOR; // default is UIEdgeInsetsZero. On tvOS 10 or later, default is nonzero except for custom buttons.
./UIButton.h:- (void)setTitleColor:(nullable UIColor *)color forState:(UIControlState)state UI_APPEARANCE_SELECTOR; // default if nil. use opaque white
./UIButton.h:- (void)setTitleShadowColor:(nullable UIColor *)color forState:(UIControlState)state UI_APPEARANCE_SELECTOR; // default is nil. use 50% black
./UIButton.h:- (void)setBackgroundImage:(nullable UIImage *)image forState:(UIControlState)state UI_APPEARANCE_SELECTOR; // default is nil

UINavigationBar:

./UINavigationBar.h:@property(nonatomic,assign) UIBarStyle barStyle UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED;
./UINavigationBar.h:@property(nonatomic,assign,getter=isTranslucent) BOOL translucent NS_AVAILABLE_IOS(3_0) UI_APPEARANCE_SELECTOR; // Default is NO on iOS 6 and earlier. Always YES if barStyle is set to UIBarStyleBlackTranslucent
./UINavigationBar.h:@property(nullable, nonatomic,strong) UIColor *barTintColor NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR;  // default is nil
./UINavigationBar.h:- (void)setBackgroundImage:(nullable UIImage *)backgroundImage forBarPosition:(UIBarPosition)barPosition barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR;
./UINavigationBar.h:- (nullable UIImage *)backgroundImageForBarPosition:(UIBarPosition)barPosition barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR;
./UINavigationBar.h:- (void)setBackgroundImage:(nullable UIImage *)backgroundImage forBarMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UINavigationBar.h:- (nullable UIImage *)backgroundImageForBarMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UINavigationBar.h:@property(nullable, nonatomic,strong) UIImage *shadowImage NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UINavigationBar.h:@property(nullable,nonatomic,copy) NSDictionary<NSString *,id> *titleTextAttributes NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UINavigationBar.h:- (void)setTitleVerticalPositionAdjustment:(CGFloat)adjustment forBarMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UINavigationBar.h:- (CGFloat)titleVerticalPositionAdjustmentForBarMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UINavigationBar.h:@property(nullable,nonatomic,strong) UIImage *backIndicatorImage NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED;
./UINavigationBar.h:@property(nullable,nonatomic,strong) UIImage *backIndicatorTransitionMaskImage NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED;

UIPageControll:

./UIPageControl.h:@property(nullable, nonatomic,strong) UIColor *pageIndicatorTintColor NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UIPageControl.h:@property(nullable, nonatomic,strong) UIColor *currentPageIndicatorTintColor NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;

UIProgressView:

./UIProgressView.h:@property(nonatomic, strong, nullable) UIColor* progressTintColor  NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UIProgressView.h:@property(nonatomic, strong, nullable) UIColor* trackTintColor     NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UIProgressView.h:@property(nonatomic, strong, nullable) UIImage* progressImage      NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UIProgressView.h:@property(nonatomic, strong, nullable) UIImage* trackImage         NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;

UIRefreshControl:

./UIRefreshControl.h:@property (nullable, nonatomic, strong) NSAttributedString *attributedTitle UI_APPEARANCE_SELECTOR;

UISearchBar:

./UISearchBar.h:@property(nullable, nonatomic,strong) UIColor *barTintColor NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR;  // default is nil
./UISearchBar.h:@property(nullable, nonatomic,strong) UIImage *backgroundImage NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:@property(nullable, nonatomic,strong) UIImage *scopeBarBackgroundImage NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:- (void)setBackgroundImage:(nullable UIImage *)backgroundImage forBarPosition:(UIBarPosition)barPosition barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR;  // Use UIBarMetricsDefaultPrompt to set a separate backgroundImage for a search bar with a prompt
./UISearchBar.h:- (nullable UIImage *)backgroundImageForBarPosition:(UIBarPosition)barPosition barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:- (void)setSearchFieldBackgroundImage:(nullable UIImage *)backgroundImage forState:(UIControlState)state NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:- (nullable UIImage *)searchFieldBackgroundImageForState:(UIControlState)state NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:- (void)setImage:(nullable UIImage *)iconImage forSearchBarIcon:(UISearchBarIcon)icon state:(UIControlState)state NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:- (nullable UIImage *)imageForSearchBarIcon:(UISearchBarIcon)icon state:(UIControlState)state NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:- (void)setScopeBarButtonBackgroundImage:(nullable UIImage *)backgroundImage forState:(UIControlState)state NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR; 
./UISearchBar.h:- (nullable UIImage *)scopeBarButtonBackgroundImageForState:(UIControlState)state NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:- (void)setScopeBarButtonDividerImage:(nullable UIImage *)dividerImage forLeftSegmentState:(UIControlState)leftState rightSegmentState:(UIControlState)rightState NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:- (nullable UIImage *)scopeBarButtonDividerImageForLeftSegmentState:(UIControlState)leftState rightSegmentState:(UIControlState)rightState NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:- (void)setScopeBarButtonTitleTextAttributes:(nullable NSDictionary<NSString *, id> *)attributes forState:(UIControlState)state NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:- (nullable NSDictionary<NSString *, id> *)scopeBarButtonTitleTextAttributesForState:(UIControlState)state NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:@property(nonatomic) UIOffset searchFieldBackgroundPositionAdjustment NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:@property(nonatomic) UIOffset searchTextPositionAdjustment NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:- (void)setPositionAdjustment:(UIOffset)adjustment forSearchBarIcon:(UISearchBarIcon)icon NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISearchBar.h:- (UIOffset)positionAdjustmentForSearchBarIcon:(UISearchBarIcon)icon NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;

UISegmentedControl

./UISegmentedControl.h:- (void)setBackgroundImage:(nullable UIImage *)backgroundImage forState:(UIControlState)state barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR; 
./UISegmentedControl.h:- (nullable UIImage *)backgroundImageForState:(UIControlState)state barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISegmentedControl.h:- (void)setDividerImage:(nullable UIImage *)dividerImage forLeftSegmentState:(UIControlState)leftState rightSegmentState:(UIControlState)rightState barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISegmentedControl.h:- (nullable UIImage *)dividerImageForLeftSegmentState:(UIControlState)leftState rightSegmentState:(UIControlState)rightState barMetrics:(UIBarMetrics)barMetrics  NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISegmentedControl.h:- (void)setTitleTextAttributes:(nullable NSDictionary *)attributes forState:(UIControlState)state NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISegmentedControl.h:- (nullable NSDictionary *)titleTextAttributesForState:(UIControlState)state NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISegmentedControl.h:- (void)setContentPositionAdjustment:(UIOffset)adjustment forSegmentType:(UISegmentedControlSegment)leftCenterRightOrAlone barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR; 
./UISegmentedControl.h:- (UIOffset)contentPositionAdjustmentForSegmentType:(UISegmentedControlSegment)leftCenterRightOrAlone barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISlider.h:@property(nullable, nonatomic,strong) UIColor *minimumTrackTintColor NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;

UISlider:

./UISlider.h:@property(nullable, nonatomic,strong) UIColor *maximumTrackTintColor NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISlider.h:@property(nullable, nonatomic,strong) UIColor *thumbTintColor NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;

UIStepper:

./UIStepper.h:- (void)setBackgroundImage:(nullable UIImage*)image forState:(UIControlState)state NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UIStepper.h:- (nullable UIImage*)backgroundImageForState:(UIControlState)state NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UIStepper.h:- (void)setDividerImage:(nullable UIImage*)image forLeftSegmentState:(UIControlState)leftState rightSegmentState:(UIControlState)rightState NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UIStepper.h:- (nullable UIImage*)dividerImageForLeftSegmentState:(UIControlState)state rightSegmentState:(UIControlState)state NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UIStepper.h:- (void)setIncrementImage:(nullable UIImage *)image forState:(UIControlState)state NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UIStepper.h:- (nullable UIImage *)incrementImageForState:(UIControlState)state NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UIStepper.h:- (void)setDecrementImage:(nullable UIImage *)image forState:(UIControlState)state NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UIStepper.h:- (nullable UIImage *)decrementImageForState:(UIControlState)state NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;

UISwitch:

./UISwitch.h:@property(nullable, nonatomic, strong) UIColor *onTintColor NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UISwitch.h:@property(nullable, nonatomic, strong) UIColor *thumbTintColor NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UISwitch.h:@property(nullable, nonatomic, strong) UIImage *onImage NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UISwitch.h:@property(nullable, nonatomic, strong) UIImage *offImage NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;

UITabBar:

./UITabBar.h:@property(nullable, nonatomic, strong) UIColor *barTintColor NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR;  // default is nil
./UITabBar.h:@property (nonatomic, readwrite, copy, nullable) UIColor *unselectedItemTintColor NS_AVAILABLE_IOS(10_0) UI_APPEARANCE_SELECTOR;
./UITabBar.h:@property(nullable, nonatomic, strong) UIColor *selectedImageTintColor NS_DEPRECATED_IOS(5_0,8_0,"Use tintColor") UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED;
./UITabBar.h:@property(nullable, nonatomic, strong) UIImage *backgroundImage NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UITabBar.h:@property(nullable, nonatomic, strong) UIImage *selectionIndicatorImage NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UITabBar.h:@property(nullable, nonatomic, strong) UIImage *shadowImage NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UITabBar.h:@property(nonatomic) UITabBarItemPositioning itemPositioning NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED;
./UITabBar.h:@property(nonatomic) CGFloat itemWidth NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR;
./UITabBar.h:@property(nonatomic) CGFloat itemSpacing NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR;
./UITabBar.h:@property(nonatomic) UIBarStyle barStyle NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED;

UITabBarItem:

./UITabBarItem.h:@property (nonatomic, readwrite, assign) UIOffset titlePositionAdjustment NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UITabBarItem.h:@property (nonatomic, readwrite, copy, nullable) UIColor *badgeColor NS_AVAILABLE_IOS(10_0) UI_APPEARANCE_SELECTOR;
./UITabBarItem.h:- (void)setBadgeTextAttributes:(nullable NSDictionary<NSString *,id> *)textAttributes forState:(UIControlState)state NS_AVAILABLE_IOS(10_0) UI_APPEARANCE_SELECTOR;
./UITabBarItem.h:- (nullable NSDictionary<NSString *,id> *)badgeTextAttributesForState:(UIControlState)state NS_AVAILABLE_IOS(10_0) UI_APPEARANCE_SELECTOR;

UITableView:

./UITableView.h:@property (nonatomic) UIEdgeInsets separatorInset NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR; // allows customization of the frame of cell separators
./UITableView.h:@property (nonatomic, strong, nullable) UIColor *sectionIndexColor NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;                   // color used for text of the section index
./UITableView.h:@property (nonatomic, strong, nullable) UIColor *sectionIndexBackgroundColor NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR;         // the background color of the section index while not being touched
./UITableView.h:@property (nonatomic, strong, nullable) UIColor *sectionIndexTrackingBackgroundColor NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR; // the background color of the section index while it is being touched
./UITableView.h:@property (nonatomic, strong, nullable) UIColor *separatorColor UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED; // default is the standard separator gray
./UITableView.h:@property (nonatomic, copy, nullable) UIVisualEffect *separatorEffect NS_AVAILABLE_IOS(8_0) UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED; // effect to apply to table separators

UITbaleViewCell:

./UITableViewCell.h:@property (nonatomic) UIEdgeInsets                    separatorInset NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED; // allows customization of the separator frame
./UITableViewCell.h:@property (nonatomic) UITableViewCellFocusStyle       focusStyle NS_AVAILABLE_IOS(9_0) UI_APPEARANCE_SELECTOR;

UIToolbar:

./UIToolbar.h:@property(nonatomic) UIBarStyle barStyle UI_APPEARANCE_SELECTOR __TVOS_PROHIBITED; // default is UIBarStyleDefault (blue)
./UIToolbar.h:@property(nonatomic,assign,getter=isTranslucent) BOOL translucent NS_AVAILABLE_IOS(3_0) UI_APPEARANCE_SELECTOR; // Default is NO on iOS 6 and earlier. Always YES if barStyle is set to UIBarStyleBlackTranslucent
./UIToolbar.h:@property(nullable, nonatomic, strong) UIColor *barTintColor NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR;  // default is nil
./UIToolbar.h:- (void)setBackgroundImage:(nullable UIImage *)backgroundImage forToolbarPosition:(UIBarPosition)topOrBottom barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UIToolbar.h:- (nullable UIImage *)backgroundImageForToolbarPosition:(UIBarPosition)topOrBottom barMetrics:(UIBarMetrics)barMetrics NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
./UIToolbar.h:- (void)setShadowImage:(nullable UIImage *)shadowImage forToolbarPosition:(UIBarPosition)topOrBottom NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
./UIToolbar.h:- (nullable UIImage *)shadowImageForToolbarPosition:(UIBarPosition)topOrBottom NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;

UIView:

./UIView.h:@property(nullable, nonatomic,copy)            UIColor          *backgroundColor UI_APPEARANCE_SELECTOR; // default is nil. Can be useful with the appearance proxy on custom UIView subclasses.

关于自定义相关遵守UIAppearance协议的相关类

可以参考这几篇深度好文UIAppearance for Custom Views、南峰子的文章 UIKit: UIApearance

参考：
UIAppearance
API Reference
南峰子技术博客

最后编辑于：2017.12.04 11:55:28

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