iOS开发常用宏（网友搜集）

#define LOADIMAGE(file,ext) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:file ofType:ext]]

例如：imageView.image =  LOADIMAGE(@"文件名",@"png");

 

#define NavigationBar_HEIGHT 44//导航栏高度

 

#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)//屏幕宽度

 

#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)//屏幕高度

 

#define SAFE_RELEASE(x) [x release];x=nil//安全释放

 

#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]//ios系统版本

 

#define CurrentSystemVersion ([[UIDevice currentDevice] systemVersion])  //当前系统版本

 

#define CurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])  //当前系统语言

 

#define BACKGROUND_COLOR [UIColor colorWithRed:242.0/255.0 green:236.0/255.0 blue:231.0/255.0 alpha:1.0]//背景颜色

 

#define isRetina ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 960), [[UIScreen mainScreen] currentMode].size) : NO)//判断是否是retina屏

 

#define iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO)//判断是否是iphone5

 

#define isPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)//判断是否是ipad；

 

#if TARGET_OS_IPHONE

//iPhone Device

#endif

 

#if TARGET_IPHONE_SIMULATOR

//iPhone Simulator

#endif

 

 

//ARC

#if __has_feature(objc_arc)

    //compiling with ARC

#else

    // compiling without ARC

#endif

 

 

//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)

 

 

#define USER_DEFAULT [NSUserDefaults standardUserDefaults]//用户默认信息 

 

#pragma mark - degrees/radian functions

#define degreesToRadian(x) (M_PI * (x) / 180.0)

#define radianToDegrees(radian) (radian*180.0)/(M_PI)

 

#pragma mark - color functions

#define RGBCOLOR(r,g,b) [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f alpha:1]//三色

#define RGBACOLOR(r,g,b,a) [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f alpha:(a)]//三色和透明度

#define ITTDEBUG

#define ITTLOGLEVEL_INFO     10

#define ITTLOGLEVEL_WARNING  3

#define ITTLOGLEVEL_ERROR    1

 

#ifndef ITTMAXLOGLEVEL

 

#ifdef DEBUG

    #define ITTMAXLOGLEVEL ITTLOGLEVEL_INFO

#else

    #define ITTMAXLOGLEVEL ITTLOGLEVEL_ERROR

#endif

 

#endif

 

// The general purpose logger. This ignores logging levels.

#ifdef ITTDEBUG

  #define ITTDPRINT(xx, ...)  NSLog(@"%s(%d): " xx, __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__)

#else

  #define ITTDPRINT(xx, ...)  ((void)0)

#endif

 

// Prints the current method's name.

#define ITTDPRINTMETHODNAME() ITTDPRINT(@"%s", __PRETTY_FUNCTION__)

 

// Log-level based logging macros.

#if ITTLOGLEVEL_ERROR <= ITTMAXLOGLEVEL

  #define ITTDERROR(xx, ...)  ITTDPRINT(xx, ##__VA_ARGS__)

#else

  #define ITTDERROR(xx, ...)  ((void)0)

#endif

 

#if ITTLOGLEVEL_WARNING <= ITTMAXLOGLEVEL

  #define ITTDWARNING(xx, ...)  ITTDPRINT(xx, ##__VA_ARGS__)

#else

  #define ITTDWARNING(xx, ...)  ((void)0)

#endif

 

#if ITTLOGLEVEL_INFO <= ITTMAXLOGLEVEL

  #define ITTDINFO(xx, ...)  ITTDPRINT(xx, ##__VA_ARGS__)

#else

  #define ITTDINFO(xx, ...)  ((void)0)

#endif

 

#ifdef ITTDEBUG

  #define ITTDCONDITIONLOG(condition, xx, ...) { if ((condition)) { \

                                                  ITTDPRINT(xx, ##__VA_ARGS__); \

                                                } \

                                              } ((void)0)

#else

  #define ITTDCONDITIONLOG(condition, xx, ...) ((void)0)

#endif

 

#define ITTAssert(condition, ...)                                       \

do {                                                                      \

    if (!(condition)) {                                                     \

        [[NSAssertionHandler currentHandler]                                  \

            handleFailureInFunction:[NSString stringWithUTF8String:__PRETTY_FUNCTION__] \

                                file:[NSString stringWithUTF8String:__FILE__]  \

                            lineNumber:__LINE__                                  \

                            description:__VA_ARGS__];                             \

    }                                                                       \

} while(0)

 

 

 

#define _po(o) DLOG(@"%@", (o))

#define _pn(o) DLOG(@"%d", (o))

#define _pf(o) DLOG(@"%f", (o))

#define _ps(o) DLOG(@"CGSize: {%.0f, %.0f}", (o).width, (o).height)

#define _pr(o) DLOG(@"NSRect: {{%.0f, %.0f}, {%.0f, %.0f}}", (o).origin.x, (o).origin.x, (o).size.width, (o).size.height)

 

#define DOBJ(obj)  DLOG(@"%s: %@", #obj, [(obj) description])

 

#define MARK    NSLog(@"\nMARK: %s, %d", __PRETTY_FUNCTION__, __LINE__)

原帖：http://www.cocoachina.com/bbs/read.php?tid=137317