OC常用宏定义

测试输出 Log #pragma mark - DEBUG #ifdef DEBUG // 定义是输出Log #define DLog(format, ...) NSLog(@"Line[%d] %s " format, __LINE__, __PRETTY_FUNCTION__, ##__VA_ARGS__) #else // 定义是输出Log #define DLog(format, ...) #endif // 只输出类名 #define LogClassName DLog(@"") 屏幕相关 #pragma mark - 屏幕 #define isRetina ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 960), [[UIScreen mainScreen] currentMode].size) : NO) #define iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO) #define iPhone6 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(750, 1334), [[UIScreen mainScreen] currentMode].size) : NO) #define iPhone6Plus ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242, 2208), [[UIScreen mainScreen] currentMode].size) : NO) #define isPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) #define isPhone (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) #define kScreenHeight [[UIScreen mainScreen] bounds].size.height #define kScreenWidth [[UIScreen mainScreen] bounds].size.width #define kStatusBarHeight 20 #define kNavigationBarHeight 44 #define kNavigationBarIcon 20 #define kTabBarHeight 49 #define kTabBarIcon 30 系统相关 #pragma mark - 系统相关 // 检查系统版本 #define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame) #define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending) #define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending) #define SYSTEM_VERSION_LESS_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending) #define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending) // 获取版本 #define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue] #define CurrentSystemVersion [[UIDevice currentDevice] systemVersion] //获取当前语言 #define CurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0]) //判断是真机还是模拟器 #if TARGET_OS_IPHONE //iPhone Device #endif #if TARGET_IPHONE_SIMULATOR //iPhone Simulator #endif //使用ARC和不使用ARC #if __has_feature(objc_arc) //compiling with ARC #else // compiling without ARC #endif 定义弱引用、强引用 #define WeakSelf(weakSelf) __weak __typeof(&*self)weakSelf = self #define ESWeak(var, weakVar) __weak __typeof(&*var) weakVar = var #define ESStrong_DoNotCheckNil(weakVar, _var) __typeof(&*weakVar) _var = weakVar #define ESStrong(weakVar, _var) ESStrong_DoNotCheckNil(weakVar, _var); if (!_var) return; #define ESWeak_(var) ESWeak(var, weak_##var); #define ESStrong_(var) ESStrong(weak_##var, _##var); /** defines a weak `self` named `weakSelf` */ #define ESWeakSelf ESWeak(self, weakSelf); /** defines a strong `self` named `strongSelf` from `weakSelf` */ #define ESStrongSelf ESStrong(weakSelf, strongSelf); * 定义警告宏 #define SuppressPerformSelectorLeakWarning(Stuff) \ do { \ _Pragma("clang diagnostic push") \ _Pragma("clang diagnostic ignored \"-Warc-performSelector-leaks\"") \ Stuff; \ _Pragma("clang diagnostic pop") \ } while (0) 颜色宏 // 随机颜色 #define RANDOM_COLOR [UIColor colorWithRed:arc4random_uniform(256) / 255.0 green:arc4random_uniform(256) / 255.0 blue:arc4random_uniform(256) / 255.0 alpha:1] // rgb颜色转换（16进制->10进制） #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 RGBACOLOR(r, g, b, a) [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f alpha:(a)] #define RGBCOLOR(r, g, b) [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f alpha:1.0f] //#define RGBCOLOR(r, g, b) RGBACOLOR(r, g, b, 1.0f) 其他宏 //G－C－D #define BACK(block) dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), block) #define MAIN(block) dispatch_async(dispatch_get_main_queue(), block) //由角度获取弧度 有弧度获取角度 #define degreesToRadian(x) (M_PI * (x) / 180.0) #define radianToDegrees(radian) (radian*180.0)/(M_PI) // 引用：http://www.jianshu.com/p/7c3ee5e67d03 // 检测block是否可用 #define BLOCK_EXEC(block, ...) if (block) { block(__VA_ARGS__); } // 宏定义之前的用法 if (completionBlock) { completionBlock(arg1, arg2); } // 宏定义之后的用法 BLOCK_EXEC(completionBlock, arg1, arg2);