iOS 多快好省的宏（转）
原文地址：http://my.oschina.net/yongbin45/blog/150149
// 字符串： #ifndef nilToEmpty #define nilToEmpty(object) (object!=nil)?object:@"" #endif #ifndef formatStringOfObject #define formatStringOfObject(object) [NSString stringWithFormat:@"%@", object] #endif #ifndef nilToEmptyFormatStringOfObject #define nilToEmptyFormatStringOfObject(object) formatStringOfObject(nilToEmpty(object)) #endif // 图片： #ifndef imagePath #define imagePath(imageName) [[NSBundle mainBundle] pathForResource:imageName ofType:@"png"] #endif // 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) #define HEXCOLOR(c) [UIColor colorWithRed:((c>>16)&0xFF)/255.0f green:((c>>8)&0xFF)/255.0f blue:(c&0xFF)/255.0f alpha:1.0f]; // debug #define debug(...) NSLog(@"%s %@", __PRETTY_FUNCTION__, [NSString stringWithFormat:__VA_ARGS__]) // iOS 支持 #define SUPPORT_IPHONE_OS_VERSION(version) ( __IPHONE_OS_VERSION_MIN_REQUIRED <= version && __IPHONE_OS_VERSION_MAX_ALLOWED >= version) // Application delegate #define ApplicationDelegate ((AppDelegate *)[[UIApplication sharedApplication] delegate]) // 主要单例 #define UserDefaults [NSUserDefaults standardUserDefaults] #define NotificationCenter [NSNotificationCenter defaultCenter] #define SharedApplication [UIApplication sharedApplication] #define Bundle [NSBundle mainBundle] #define MainScreen [UIScreen mainScreen] // 网络指示 #define ShowNetworkActivityIndicator() [UIApplication sharedApplication].networkActivityIndicatorVisible = YES #define HideNetworkActivityIndicator() [UIApplication sharedApplication].networkActivityIndicatorVisible = NO #define NetworkActivityIndicatorVisible(x) [UIApplication sharedApplication].networkActivityIndicatorVisible = x // 主要控件 #define NavBar self.navigationController.navigationBar #define TabBar self.tabBarController.tabBar // 大小尺寸 #define ScreenWidth [[UIScreen mainScreen] bounds].size.width #define ScreenHeight [[UIScreen mainScreen] bounds].size.height #define NavBarHeight self.navigationController.navigationBar.bounds.size.height #define TabBarHeight self.tabBarController.tabBar.bounds.size.height #define TouchHeightDefault 44.0f #define TouchHeightSmall 32.0f #define ViewWidth(v) v.frame.size.width #define ViewHeight(v) v.frame.size.height #define ViewX(v) v.frame.origin.x #define ViewY(v) v.frame.origin.y #define SelfViewWidth self.view.bounds.size.width #define SelfViewHeight self.view.bounds.size.height #define RectX(rect) rect.origin.x #define RectY(rect) rect.origin.y #define RectWidth(rect) rect.size.width #define RectHeight(rect) rect.size.height #define RectSetWidth(rect, w) CGRectMake(RectX(rect), RectY(rect), w, RectHeight(rect)) #define RectSetHeight(rect, h) CGRectMake(RectX(rect), RectY(rect), RectWidth(rect), h) #define RectSetX(rect, x) CGRectMake(x, RectY(rect), RectWidth(rect), RectHeight(rect)) #define RectSetY(rect, y) CGRectMake(RectX(rect), y, RectWidth(rect), RectHeight(rect)) #define RectSetSize(rect, w, h) CGRectMake(RectX(rect), RectY(rect), w, h) #define RectSetOrigin(rect, x, y) CGRectMake(x, y, RectWidth(rect), RectHeight(rect)) // 内存管理 #if ! __has_feature(objc_arc) #define SBAutorelease(__v) ([__v autorelease]); #define SBReturnAutoreleased SBAutorelease #define SBRetain(__v) ([__v retain]); #define SBReturnRetained SBRetain #define SBRelease(__v) ([__v release]); #define SBDispatchQueueRelease(__v) (dispatch_release(__v)); #else // -fobjc-arc #define SBAutorelease(__v) #define SBReturnAutoreleased(__v) (__v) #define SBRetain(__v) #define SBReturnRetained(__v) (__v) #define SBRelease(__v) #if TARGET_OS_IPHONE // Compiling for iOS #if __IPHONE_OS_VERSION_MIN_REQUIRED >= 60000 // iOS 6.0 or later #define SBDispatchQueueRelease(__v) #else // iOS 5.X or earlier #define SBDispatchQueueRelease(__v) (dispatch_release(__v)); #endif #else // Compiling for Mac OS X #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1080 // Mac OS X 10.8 or later #define SBDispatchQueueRelease(__v) #else // Mac OS X 10.7 or earlier #define SBDispatchQueueRelease(__v) (dispatch_release(__v)); #endif #endif #endif
iOS开发中那些高效常用的宏（转）
原文地址：http://blog.csdn.net/duxinfeng2010/article/details/9067947
//补充1 //----------------------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----------------------------
//补充2 //----------------------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
//补充3 //----------------------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--------------------------
//补充4 //----------------------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----------------------------