iOS开发中那些高效常用的宏

#ifndef MacroDefinition_h  
#define MacroDefinition_h  
  
//-------------------获取设备大小-------------------------  
//NavBar高度  
#define NavigationBar_HEIGHT 44  
//获取屏幕 宽度、高度  
#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)  
#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)  
  
//-------------------获取设备大小-------------------------  
  
  
//-------------------打印日志-------------------------  
//DEBUG  模式下打印日志,当前行  
#ifdef DEBUG  
#   define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);  
#else  
#   define DLog(...)  
#endif  
  
  
//重写NSLog,Debug模式下打印日志和当前行数  
#if DEBUG  
#define NSLog(FORMAT, ...) fprintf(stderr,"\nfunction:%s line:%d content:%s\n", __FUNCTION__, __LINE__, [[NSString stringWithFormat:FORMAT, ##__VA_ARGS__] UTF8String]);  
#else  
#define NSLog(FORMAT, ...) nil  
#endif  
  
//DEBUG  模式下打印日志,当前行 并弹出一个警告  
#ifdef DEBUG  
#   define ULog(fmt, ...)  { UIAlertView *alert = [[UIAlertView alloc] initWithTitle:[NSString stringWithFormat:@"%s\n [Line %d] ", __PRETTY_FUNCTION__, __LINE__] message:[NSString stringWithFormat:fmt, ##__VA_ARGS__]  delegate:nil cancelButtonTitle:@"Ok" otherButtonTitles:nil]; [alert show]; }  
#else  
#   define ULog(...)  
#endif  
  
  
#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)  
  
//---------------------打印日志--------------------------  
  
  
//----------------------系统----------------------------  
  
//获取系统版本  
#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]  
#define CurrentSystemVersion [[UIDevice currentDevice] systemVersion]  
  
//获取当前语言  
#define CurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])  
  
//判断是否 Retina屏、设备是否%fhone 5、是否是iPad  
#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)  
  
  
//判断是真机还是模拟器  
#if TARGET_OS_IPHONE  
//iPhone Device  
#endif  
  
#if TARGET_IPHONE_SIMULATOR  
//iPhone Simulator  
#endif  
  
//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)  
  
  
//----------------------系统----------------------------  
  
  
//----------------------内存----------------------------  
  
//使用ARC和不使用ARC  
#if __has_feature(objc_arc)  
//compiling with ARC  
#else  
// compiling without ARC  
#endif  
  
#pragma mark - common functions  
#define RELEASE_SAFELY(__POINTER) { [__POINTER release]; __POINTER = nil; }  
  
//释放一个对象  
#define SAFE_DELETE(P) if(P) { [P release], P = nil; }  
  
#define SAFE_RELEASE(x) [x release];x=nil  
  
  
  
//----------------------内存----------------------------  
  
  
//----------------------图片----------------------------  
  
//读取本地图片  
#define LOADIMAGE(file,ext) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:file ofType:ext]]  
  
//定义UIImage对象  
#define IMAGE(A) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:A ofType:nil]]  
  
//定义UIImage对象  
#define ImageNamed(_pointer) [UIImage imageNamed:[UIUtil imageName:_pointer]]  
  
//建议使用前两种宏定义,性能高于后者  
//----------------------图片----------------------------  
  
  
  
//----------------------颜色类---------------------------  
// 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]  
  
//带有RGBA的颜色设置  
#define COLOR(R, G, B, A) [UIColor colorWithRed:R/255.0 green:G/255.0 blue:B/255.0 alpha:A]  
  
// 获取RGB颜色  
#define RGBA(r,g,b,a) [UIColor colorWithRed:r/255.0f green:g/255.0f blue:b/255.0f alpha:a]  
#define RGB(r,g,b) RGBA(r,g,b,1.0f)  
  
//背景色  
#define BACKGROUND_COLOR [UIColor colorWithRed:242.0/255.0 green:236.0/255.0 blue:231.0/255.0 alpha:1.0]  
  
//清除背景色  
#define CLEARCOLOR [UIColor clearColor]  
  
#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)]  
  
//----------------------颜色类--------------------------  
  
  
  
//----------------------其他----------------------------  
  
//方正黑体简体字体定义  
#define FONT(F) [UIFont fontWithName:@"FZHTJW--GB1-0" size:F]  
  
  
//定义一个API  
#define APIURL                @"http://xxxxx/"  
//登陆API  
#define APILogin              [APIURL stringByAppendingString:@"Login"]  
  
//设置View的tag属性  
#define VIEWWITHTAG(_OBJECT, _TAG)    [_OBJECT viewWithTag : _TAG]  
//程序的本地化,引用国际化的文件  
#define MyLocal(x, ...) NSLocalizedString(x, nil)  
  
//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)  
  
//NSUserDefaults 实例化  
#define USER_DEFAULT [NSUserDefaults standardUserDefaults]  
  
  
//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)  
  
  
  
//单例化一个类
#define SYNTHESIZE_SINGLETON_FOR_CLASS(classname) \
\
static classname *shared##classname = nil; \
\
+ (classname *)shared##classname \
{ \
@synchronized(self) \
{ \
if (shared##classname == nil) \
{ \
shared##classname = [[self alloc] init]; \
} \
} \
\
return shared##classname; \
} \
\
+ (id)allocWithZone:(NSZone *)zone \
{ \
@synchronized(self) \
{ \
if (shared##classname == nil) \
{ \
shared##classname = [super allocWithZone:zone]; \
return shared##classname; \
} \
} \
\
return nil; \
} \
\
- (id)copyWithZone:(NSZone *)zone \
{ \
return self; \
}\
- (id)retain\
{\
return self;\
}\
- (unsigned)retainCount\
{\
return UINT_MAX; \
}\
- (oneway void)release\
{\
}\
- (id)autorelease\
{\
return self;\
}
#endif