iOS --- 总结Objective-C中常用的宏定义（持续更新中）

将iOS开发中常用的宏定义整理如下，仅包含Objective-C。
而对于Swift，不能使用宏，则可以定义全局函数或者extension。请参考博客iOS — 总结Swift中常用的全局函数和extension（持续更新中）。

//// Macro.h//// Objective-C useful macro for Chris Hu//// App#define APP_VERSION                 [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"]// System Version#define SYSTEM_VERSION                             ([[[UIDevice currentDevice] systemVersion] floatValue])#define SYSTEM_VERSION_EQUAL_TO(v)                 ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)#define SYSTEM_VERSION_HIGHER_THAN(v)              ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)#define SYSTEM_VERSION_EQUAL_TO_OR_HIGHER_THAN(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)#define SYSTEM_VERSION_LOWER_THAN(v)               ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)#define SYSTEM_VERSION_EQUAL_TO_OR_LOWER_THAN(v)   ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)// Color#define RGB(r,g,b)                  [UIColor colorWithRed:r / 255.f green:g / 255.f blue:b / 255.f alpha:1.f]#define RGBA(r,g,b,a)               [UIColor colorWithRed:r / 255.f green:g / 255.f blue:b / 255.f alpha:a]#define RGB_HEX(hex)                RGBA((float)((hex & 0xFF0000) >> 16),(float)((hex & 0xFF00) >> 8),(float)(hex & 0xFF),1.f)#define RGBA_HEX(hex,a)             RGBA((float)((hex & 0xFF0000) >> 16),(float)((hex & 0xFF00) >> 8),(float)(hex & 0xFF),a)#define COLOR_LIGHT_BLUE            RGB_HEX(0x7f8b97)#define COLOR_DEEP_BLUE             RGB_HEX(0x00b3d6)// Language#define CURRENT_LANGUAGE            ([[NSLocale preferredLanguages] objectAtIndex:0])#define IS_LANGUAGE(l)              [CURRENT_LANGUAGE hasPrefix:l]#define IS_LANGUAGE_EN              IS_LANGUAGE(@"en")// Font#define FONT_SOFIA_MEDIUM(s)        [UIFont fontWithName:@"SofiaProSoft-Medium" size:s]#define FONT_SOFIA_SOFT(s)          [UIFont fontWithName:@"SofiaProSoft" size:s]// Screen#define SCREEN_SIZE                 [[UIScreen mainScreen] bounds].size#define SCREEN_WIDTH                [[UIScreen mainScreen] bounds].size.width#define SCREEN_HEIGHT               [[UIScreen mainScreen] bounds].size.height// GCD#define GCD_GLOBAL(block)           dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), block)#define GCD_MAIN(block)             dispatch_async(dispatch_get_main_queue(), block)