iOS--常用的宏
2015-09-15 18:00
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/******** 尺寸 *******/ #define StatusBar_HEIGHT 20 #define NavigationBar_HEIGHT 44 #define NavigationBarIcon 20 #define TabBar_HEIGHT 49 #define TabBarIcon 30 #define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width) #define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)
/******** 打印 *******/ //替换NSLog来使用,debug模式下可以打印很多方法名,行信息。 #ifdef DEBUG # define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__); #else # define DLog(...) #endif //直接替换NSLog #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,当前行以及弹出一个警告 #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
/******** 系统宏 *******/ //获取版本 #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)
/******** 内存宏 *******/ //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
/******** 图片宏 *******/ //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]] //前两种宏性能高,省内存 //第三个没有必要使用,因为我们可以使用Xcode的插件
/******** 颜色宏 *******/ // 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)]
/*******其他宏*****/ //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)
/******* 单例宏************/ #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; \ }
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