iOS常用的宏(整理)–持续更新

释放双眼,带上耳机,听听看~!

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)  

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:%sn", __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:@"%sn [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)  

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)  

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  

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  

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)]  

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; 
}
//获取一段时间间隔
#define kStartTime CFAbsoluteTime start = CFAbsoluteTimeGetCurrent();
#define kEndTime  NSLog(@"Time: %f", CFAbsoluteTimeGetCurrent() - start)
//字符串是否为空
#define kStringIsEmpty(str) ([str isKindOfClass:[NSNull class]] || str == nil || [str length] < 1 ? YES : NO )
//数组是否为空
#define kArrayIsEmpty(array) (array == nil || [array isKindOfClass:[NSNull class]] || array.count == 0)
//字典是否为空
#define kDictIsEmpty(dic) (dic == nil || [dic isKindOfClass:[NSNull class]] || dic.allKeys == 0)
//是否是空对象
#define kObjectIsEmpty(_object) (_object == nil 
|| [_object isKindOfClass:[NSNull class]] 
|| ([_object respondsToSelector:@selector(length)] && [(NSData *)_object length] == 0) 
|| ([_object respondsToSelector:@selector(count)] && [(NSArray *)_object count] == 0))
//APP版本号
#define kAppVersion [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"]
//系统版本号
#define kSystemVersion [[UIDevice currentDevice] systemVersion]
//获取当前语言
#define kCurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])
//判断是否为iPhone
#define kISiPhone (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
//判断是否为iPad
#define kISiPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)

系统提供


//当前系统支持的最大版本__IPHONE_OS_VERSION_MAX_ALLOWED
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_8_0
// iOS 8.0及其以上版本的处理
#else
// iOS 8.0及其以下版本的处理
#endif
*/
#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]
//调用
if (IOS_VERSION >=8.0)
{}
//判断是真机还是模拟器
#if TARGET_OS_IPHONE
//真机
#endif
#if TARGET_IPHONE_SIMULATOR
//模拟器
#endif

参考:
1. http://www.cocoachina.com/industry/20130328/5907.html
2.
http://blog.csdn.net/duxinfeng2010/article/details/9067947

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