iOS常用的宏定义

#define UIColorFromRGB(rgbValue) [UIColor  colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0  green:((float)((rgbValue & 0xFF00) >> 8))/255.0  blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]

#define UIColorFromRGBA(rgbValue) [UIColor  colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0  green:((float)((rgbValue & 0xFF00) >> 8))/255.0  blue:((float)(rgbValue & 0xFF))/255.0 alpha:0.7]

#define IS_IPAD (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)

#define IS_IPHONE (UI_USER_INTERFACE_IDIOM() ==UIUserInterfaceIdiomPhone)

#define SCREEN_WIDTH ([[UIScreen mainScreen] bounds].size.width)

#define SCREEN_HEIGHT ([[UIScreen mainScreen] bounds].size.height)

#define kIOSVersions [[[UIDevice currentDevice] systemVersion] floatValue] //获得iOS版本

#define kUIWindow    [[[UIApplication sharedApplication] delegate] window] //获得window