iOS开发过程中使用一些常用的宏可以提高开发效率，提高代码的重用性；将这些宏放到一个头文件里然后再放到工程中的-Prefix.pch文件中(或者直接放到-Prefix.pch中)直接可以使用,灰常方便。
本文http://www.cnblogs.com/ygm900/p/4519423.html
做了一些分类和注释,可以根据自己习惯再添加或者删除或者修改这些宏进行使用。
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//// MacroDefinition.h// MacroDefinitionDemo//// Created by 新风作浪 on 13-6-9.// Copyright (c) 2013年 SpinningSphere Labs. All rights reserved.//#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,"
function:%s line:%d content:%s
", __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
[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; }#endif |