ios开发常用的宏

#define NavigationBar_HEIGHT 44

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

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

#define SAFE_RELEASE(x) [x release];x=nil

#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]

#define CurrentSystemVersion ([[UIDevice currentDevice] systemVersion])

#define CurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])

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

//use dlog to print while in debug model

#ifdef DEBUG

#   define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);

#else

#   define DLog(...)

#endif

//Device

#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 isPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)

#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]

#define ImageNamed(_pointer) [UIImage imageNamed:[UIUtil imageName:_pointer]]

#pragma mark - common functions

#define RELEASE_SAFELY(__POINTER) { [__POINTER release]; __POINTER = nil; }

#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]

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

#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__)