Cocoa touch（十一）：UISwitch

NS_CLASS_AVAILABLE_IOS(2_0) @interface UISwitch : UIControl <NSCoding> {
  @private
    id _control;
}

@property(nonatomic, retain) UIColor *onTintColor NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
@property(nonatomic, retain) UIColor *tintColor NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
@property(nonatomic, retain) UIColor *thumbTintColor NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;

@property(nonatomic, retain) UIImage *onImage NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;
@property(nonatomic, retain) UIImage *offImage NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;

@property(nonatomic,getter=isOn) BOOL on;

- (id)initWithFrame:(CGRect)frame;              // This class enforces a size appropriate for the control. The frame size is ignored.

- (void)setOn:(BOOL)on animated:(BOOL)animated; // does not send action

@end