iOS開發過程中，使用的一些常用宏定義
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字符串是否為空
#define kStringIsEmpty(str) ([str isKindOfClass:[NSNull class]] || str == nil || [str length] < 1 ? YES : NO ) -
數組是否為空
#define kArrayIsEmpty(array) (array == nil || [array isKindOfClass:[NSNull class]] || array.count == 0) -
字典是否為空
#define kDictIsEmpty(dic) (dic == nil || [dic isKindOfClass:[NSNull class]] || dic.allKeys == 0)
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是否是空對象
#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))
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獲取屏幕寬度與高度 ( " \ ":連接行標志，連接上下兩行 )
//屏寬 #define kScreenWidth \ ([[UIScreen mainScreen] respondsToSelector:@selector(nativeBounds)] ? [UIScreen mainScreen].nativeBounds.size.width/[UIScreen mainScreen].nativeScale : [UIScreen mainScreen].bounds.size.width) //屏高 #define kScreenHeight \ ([[UIScreen mainScreen] respondsToSelector:@selector(nativeBounds)] ? [UIScreen mainScreen].nativeBounds.size.height/[UIScreen mainScreen].nativeScale : [UIScreen mainScreen].bounds.size.height) //屏的size(寬、高) #define kScreenSize \ ([[UIScreen mainScreen] respondsToSelector:@selector(nativeBounds)] ? CGSizeMake([UIScreen mainScreen].nativeBounds.size.width/[UIScreen mainScreen].nativeScale,[UIScreen mainScreen].nativeBounds.size.height/[UIScreen mainScreen].nativeScale) : [UIScreen mainScreen].bounds.size)
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一些常用的縮寫：
//APP對象 （單例對象） #define kApplication [UIApplication sharedApplication] //主窗口 （keyWindow） #define kKeyWindow [UIApplication sharedApplication].keyWindow //APP對象的delegate #define kAppDelegate [UIApplication sharedApplication].delegate //NSUserDefaults實例化 #define kUserDefaults [NSUserDefaults standardUserDefaults] //通知中心 （單例對象） #define kNotificationCenter [NSNotificationCenter defaultCenter]
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APP版本號
#define kAppVersion [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"] -
系統版本號
#define kSystemVersion [[UIDevice currentDevice] systemVersion] -
獲取當前語言
#define kCurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])
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判斷是否為iPhone
#define kISiPhone (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) -
判斷是否為iPad
#define kISiPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
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獲取沙盒的Document路徑
#define kDocumentPath [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject] -
獲取沙盒的temp路徑
#define kTempPath NSTemporaryDirectory() -
獲取沙盒的Cache路徑
#define kCachePath [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) firstObject]
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判斷是真機還是模擬器
#if TARGET_OS_IPHONE //真機 #endif #if TARGET_IPHONE_SIMULATOR //模擬器 #endif
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開發的時候打印，但是發布的時候不打印的NSLog
#ifdef DEBUG #define NSLog(...) NSLog(@"%s 第%d行 \n %@\n\n",__func__,__LINE__,[NSString stringWithFormat:__VA_ARGS__]) #else #define NSLog(...) #endif
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顏色
//RGB格式 #define kRGBColor(r, g, b) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1.0] //RGBA格式 （A：alpha） #define kRGBAColor(r, g, b, a) [UIColor colorWithRed:(r)/255.0 green:(r)/255.0 blue:(r)/255.0 alpha:a] //隨機色生成 #define kRandomColor KRGBColor(arc4random_uniform(256)/255.0,arc4random_uniform(256)/255.0,arc4random_uniform(256)/255.0) //16進制形式 #define kColorWithHex(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] -
弱引用/強引用
#define kWeakSelf(type) __weak typeof(type) weak##type = type; #define kStrongSelf(type) __strong typeof(type) type = weak##type;
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由角度轉換為弧度
#define kDegreesToRadian(x) (M_PI * (x) / 180.0) -
由弧度轉換為角度
#define kRadianToDegrees(radian) (radian * 180.0) / (M_PI)
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獲取一段時間間隔
#define kStartTime CFAbsoluteTime start = CFAbsoluteTimeGetCurrent(); #define kEndTime NSLog(@"Time: %f", CFAbsoluteTimeGetCurrent() - start)
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宏(指令)定義
#ifndef MacroDefinition_h //如果沒定義 #define MacroDefinition_h
| 獲取設備尺寸大小 |
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NavigationBar高度 （44）
#define NavigationBar_HEIGHT 44 #define naviBarHeight (self.navigationController.navigationBar.frame.size.height) -
statusBar高度 (狀態欄) （49） 與APP狀態有關(后臺地圖、打開熱點等…)
#define stautsBarHeight ([UIApplication sharedApplication].statusBarFrame.size.height) -
tabBar高度 （49）
#define TabBar_HEIGHT 49
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獲取屏幕 寬度、高度
#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width) #define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)
| 打印日志 |
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“DEBUG”模式下打印日志、當前行
#ifdef DEBUG #define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), \ __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__); #else #define DLog(...) #endif
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重寫“
NSLog”，“Debug”模式下打印日志和當前行數#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
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“DEBUG”模式下打印日志、當前行，并彈出一個警告
#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
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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
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打印當前方法的名稱
#define ITTDPRINTMETHODNAME() ITTDPRINT(@"%s", __PRETTY_FUNCTION__)
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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)
| 系統 |
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是否iPad
#define isPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) -
是iPad還是iPhone
#define someThing (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)? ipad: iphone
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獲取系統版本
#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue] #define CurrentSystemVersion [[UIDevice currentDevice] systemVersion]
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獲取當前語言
#define CurrentLanguage (［NSLocale preferredLanguages] objectAtIndex:0])
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判斷設備是否是Retina屏、是否為iPone 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) #define SCREEN_WIDTH ([[UIScreen mainScreen] bounds].size.width) #define SCREEN_HEIGHT ([[UIScreen mainScreen] bounds].size.height) #define SCREEN_MAX_LENGTH (MAX(SCREEN_WIDTH, SCREEN_HEIGHT)) #define SCREEN_MIN_LENGTH (MIN(SCREEN_WIDTH, SCREEN_HEIGHT)) //iphone型號：4、5、 6、6plus #define IS_IPHONE_4_OR_LESS (IS_IPHONE && SCREEN_MAX_LENGTH < 568.0) #define IS_IPHONE_5 (IS_IPHONE && SCREEN_MAX_LENGTH == 568.0) #define IS_IPHONE_6 (IS_IPHONE && SCREEN_MAX_LENGTH == 667.0) #define IS_IPHONE_6P (IS_IPHONE && SCREEN_MAX_LENGTH == 736.0)
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判斷設備的操做系統是不是ios7
#define IOS7 ([[UIDevice currentDevice].systemVersion doubleValue] >= 7.0]
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判斷當前設備是不是iphone5 （遠古時期，單純判斷高度。。）
#define kScreenIphone5 (([[UIScreen mainScreen] bounds].size.height)>=568)
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獲取當前屏幕的高度
#define kMainScreenHeight ([UIScreen mainScreen].applicationFrame.size.height) -
獲取當前屏幕的寬度
#define kMainScreenWidth ([UIScreen mainScreen].applicationFrame.size.width)
iOS9之后 使用“[UIScreen mainScreen].bounds”屬性
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定義一個“define”函數
#define TT_RELEASE_CF_SAFELY(__REF) { if (nil != (__REF)) { CFRelease(__REF); __REF = nil; } }
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判斷是真機還是模擬器
#if TARGET_OS_IPHONE //iPhone Device #endif #if TARGET_IPHONE_SIMULATOR //iPhone Simulator #endif
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檢查系統版本
//當前版本 = 版本v #define SYSTEM_VERSION_EQUAL_TO(v) ([[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame) //當前版本 > 版本v #define SYSTEM_VERSION_GREATER_THAN(v) ([[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending) //當前版本 >= 版本v #define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v) ([[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending) //當前版本 < 版本v #define SYSTEM_VERSION_LESS_THAN(v) ([[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending) //當前版本 <= 版本v #define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v) ([[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)
| 內存 |
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使用ARC和不使用ARC （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; }
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釋放一個對象
#define SAFE_DELETE(P) if(P) { [P release], P = nil; }或
#define SAFE_RELEASE(x) [x release];x=nil
| 圖片 |
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讀取 本地圖片
#define LOADIMAGE(file,ext) [UIImage imageWithContentsOfFile:[NSBundle mainBundle] pathForResource:file ofType:ext］
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定義UIImage對象 （路徑）
#define IMAGE(A) [UIImage imageWithContentsOfFile:[NSBundle mainBundle] pathForResource:A ofType:nil］
建議使用這兩種宏定義，性能高于下者。
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定義UIImage對象
#define ImageNamed(_pointer) [UIImage imageNamed:[UIUtil imageName:_pointer］
| 顏色類 |
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rgb顏色轉換（16進制
-->10進制）#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]
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帶有RGBA的顏色設置 （A：alpha）
#define COLOR(R, G, B, A) [UIColor colorWithRed:R/255.0 green:G/255.0 blue:B/255.0 alpha:A]
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獲取RGB顏色
#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)
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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]
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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 |
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方正黑體簡體字體定義
#define FONT(F) [UIFont fontWithName:@"FZHTJW--GB1-0" size:F]
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定義一個API
#define APIURL @"http://xxxxx/"
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登錄API
#define APILogin [APIURL stringByAppendingString:@"Login"]
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設置View的tag(值)屬性
#define VIEWWITHTAG(_OBJECT, _TAG) [_OBJECT viewWithTag: _TAG]
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程序的本地化,引用國際化的文件
#define MyLocal(x, ...) NSLocalizedString(x, nil)
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GCD
#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)
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NSUserDefaults 實例化
#define USER_DEFAULT [NSUserDefaults standardUserDefaults]
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由角度獲取弧度
#define degreesToRadian(x) (M_PI * (x) / 180.0) -
由弧度獲取角度
#define radianToDegrees(radian) (radian*180.0)/(M_PI)
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單例化一個類
#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
2018.02.07
iPhone X的登場 改變 各別的尺寸！！！
#define Width_IphoneX 375 //iPhoneX 屏寬
#define height_IphoneX 812 //iPhoneX 屏高
//判斷是否為iPhone
#define ISiPhone (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
//是否 是iPhoneX
#define isIphoneX (kScreenWidth == 375.0f && kScreenHeight == 812.0f && ISiPhone)
//底部 安全高度
#define Bottom_Safe_Height (isIphoneX?34:0)
//系統 手勢高度
#define System_Gesture_Height (isIphoneX?13:0)
//tabBar高度
#define TabBar_Height (49 + Bottom_Safe_Height)
//狀態欄高度
#define Status_Height (isIphoneX?44:20)
//導航欄高度
#define NavBar_Height 44
2019.05.01
iPhone X系列的判斷
//屏幕的寬、高 #define SCREEN_MAX_LENGTH (MAX(MAIN.width, MAIN.height)) //屏幕高 #define SCREEN_MIN_LENGTH (MIN(MAIN.width, MAIN.height)) //屏幕寬 //是否 是iPhoneX系列 #define isIphoneX_Series (SCREEN_MIN_LENGTH >= 375.0f && SCREEN_MAX_LENGTH >= 812.0f && ISiPhone) //是否為iPhone X 系列 （消除Xcode10上警告） #define isIphoneX_Series \ ({BOOL isPhoneX = NO;\ if (@available(iOS 11.0, *)) {\ isPhoneX = [[UIApplication sharedApplication] delegate].window.safeAreaInsets.bottom > 0.0;\ }\ (isPhoneX);})
//導航欄高度 #define NavBar_Height 44 //TabBar的高度 #define TabBar_Height (isIphoneX_Series? 83 : 49) //狀態欄高度 #define Status_Height (isIphoneX_Series?44:20) //底部 安全高度 #define Bottom_Safe_Height (isIphoneX_Series?34:0) //系統 手勢高度 #define System_Gesture_Height (isIphoneX?13:0) //橫屏 安全高度 #define FullScreen_Safe_Height (isIphoneX_Series?20.f:0)
//是否 是iPhoneXr(或iPhoneXs Max) #define isIphoneXr_Or_ isIphoneXsMax (kScreenWidth == 414.0f && kScreenHeight == 896.0f && ISiPhone)
參考：《iPhone分辨率的終極指南》(《The Ultimate Guide To iPhone Resolutions》)
