前言
宏定义在C系开发中可以说占有举足轻重的作用，为了简化开发流程，提升工作效率，收集了一些平时常用的宏定义，今后会不定期更新
1.UI元素
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//NavBar高度#define NAVIGATIONBAR_HEIGHT 44//StatusBar高度#define STATUSBAR_HEIGHT 20//获取屏幕 宽度、高度#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)//内容视图高度#define CONTENT_HEIGHT (SCREEN_HEIGHT - NAVIGATIONBAR_HEIGHT - STATUSBAR_HEIGHT)//KWindow#define KWINDOW [UIApplication sharedApplication].keyWindow//屏幕分辨率#define SCREEN_RESOLUTION (SCREEN_WIDTH * SCREEN_HEIGHT * ([UIScreen mainScreen].scale))//状态栏 ＋ 导航栏 高度#define STATUS_AND_NAVIGATION_HEIGHT ((STATUSBAR_HEIGHT) + (NAVIGATIONBAR_HEIGHT)) |
2.Log
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//(在系统Log基础之上，加入自定义的相关信息)#define NSLog(format, ...) do { \fprintf(stderr, "<%s : %d> %s\n", \[[[NSString stringWithUTF8String:__FILE__] lastPathComponent] UTF8String], \__LINE__, __func__); \(NSLog)((format), ##__VA_ARGS__); \fprintf(stderr, "-------\n"); \} while (0) |
3.系统
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//获取当前系统版本#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]#define CurrentSystemVersion [[UIDevice currentDevice] systemVersion]//获取当前系统语言#define CurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])//判断是不是真机#if TARGET_OS_IPHONE //iPhone Device#endif//判断是不是模拟器#if TARGET_IPHONE_SIMULATOR //iPhone Simulator#endif//是否在ARC环境下#if __has_feature(objc_arc) //compiling with ARC#else //compiling without ARC#endif//判断是否为iPhone#define IS_IPHONE (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)//判断是否为iPad#define IS_IPAD (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)//判断是否为ipod#define IS_IPOD ([[[UIDevice currentDevice] model] isEqualToString:@"iPod touch"])//判断是否为iPhone 5(S)(E)#define iPhone5SE [[UIScreen mainScreen] bounds].size.width == 320.0f &&[[UIScreen mainScreen] bounds].size.height == 568.0f//判断是否为iPhone 6/6s#define iPhone6_6s [[UIScreen mainScreen] bounds].size.width == 375.0f &&[[UIScreen mainScreen] bounds].size.height == 667.0f//判断是否为iPhone 6Plus/6sPlus#define iPhone6Plus_6sPlus [[UIScreen mainScreen] bounds].size.width == 414.0f && [[UIScreen mainScreen] bounds].size.height == 736.0f//判断 iOS 或更高的系统版本#define IOS_VERSION_6_OR_LATER (([[[UIDevice currentDevice] systemVersion] floatValue]>=6.0)? (YES):(NO))#define IOS_VERSION_7_OR_LATER (([[[UIDevice currentDevice] systemVersion] floatValue]>=7.0)? (YES):(NO))#define IOS_VERSION_8_OR_LATER (([[[UIDevice currentDevice] systemVersion] floatValue]>=8.0)? (YES):(NO))#define IOS_VERSION_9_OR_LATER (([[[UIDevice currentDevice] systemVersion] floatValue]>=9.0)? (YES):(NO))#define IOS_VERSION_10_OR_LATER (([[[UIDevice currentDevice] systemVersion] floatValue]>=10.0)? (YES):(NO))//系统版本工具#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)//检测是否是竖屏状态#define IsPortrait ([UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationPortrait || [UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationPortraitUpsideDown) |
4.颜色类
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//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]//设置随机颜色(调试时候很有用)#define RandomColor [UIColor colorWithRed:arc4random_uniform(256)/255.0 green:arc4random_uniform(256)/255.0 blue:arc4random_uniform(256)/255.0 alpha:1.0]//16进制颜色#define RGB16Color(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] |
5.通知
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//获取通知中心#define NotificationCenter [NSNotificationCenter defaultCenter]//快速发通知#define Post_Notify(_notificationName, _obj, _userInfoDictionary) [[NSNotificationCenter defaultCenter] postNotificationName: _notificationName object: _obj userInfo: _userInfoDictionary];//添加观察者#define Add_Observer(_notificationName, _observer, _observerSelector, _obj) [[NSNotificationCenter defaultCenter] addObserver:_observer selector:@selector(_observerSelector) name:_notificationName object: _obj];//移除观察者#define Remove_Observer(_observer) [[NSNotificationCenter defaultCenter] removeObserver: _observer]; |
6.数据存储
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//NSUserDefaults 实例化#define USER_DEFAULT [NSUserDefaults standardUserDefaults]//获取temp#define kPathTemp NSTemporaryDirectory()//获取沙盒Document#define kPathDocument [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES) firstObject]//获取沙盒Cache#define kPathCache [NSSearchPathForDirectoriesInDomains(NSCachesDirectory,NSUserDomainMask, YES) firstObject] |
7.单例模式
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#define SingleH(name) +(instancetype)share##name;#if __has_feature(objc_arc)//条件满足 ARC#define SingleM(name) static id _instance;\+(instancetype)allocWithZone:(struct _NSZone *)zone\{\static dispatch_once_t onceToken;\dispatch_once(&onceToken, ^{\_instance = [super allocWithZone:zone];\});\\return _instance;\}\\+(instancetype)share##name\{\return [[self alloc]init];\}\\-(id)copyWithZone:(NSZone *)zone\{\return _instance;\}\\-(id)mutableCopyWithZone:(NSZone *)zone\{\return _instance;\}#else//MRC#define SingleM(name) static id _instance;\+(instancetype)allocWithZone:(struct _NSZone *)zone\{\static dispatch_once_t onceToken;\dispatch_once(&onceToken, ^{\_instance = [super allocWithZone:zone];\});\\return _instance;\}\\+(instancetype)share##name\{\return [[self alloc]init];\}\\-(id)copyWithZone:(NSZone *)zone\{\return _instance;\}\\-(id)mutableCopyWithZone:(NSZone *)zone\{\return _instance;\}\-(oneway void)release\{\}\\-(instancetype)retain\{\ return _instance;\}\\-(NSUInteger)retainCount\{\ return MAXFLOAT;\}#endif |
8.时间
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//获取系统时间戳#define CurentTime [NSString stringWithFormat:@"%ld", (long)[[NSDate date] timeIntervalSince1970]] |
9.权限
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//获取相机权限状态#define CameraStatus [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo]#define CameraDenied ((CameraStatus == AVAuthorizationStatusRestricted)||(CameraStatus == AVAuthorizationStatusDenied))#define CameraAllowed (!CameraDenyed)/** 定位权限*/#define LocationStatus [CLLocationManager authorizationStatus];#define LocationAllowed ([CLLocationManager locationServicesEnabled] && !((status == kCLAuthorizationStatusDenied) || (status == kCLAuthorizationStatusRestricted)))#define LocationDenied (!LocationAllowed)/** 消息推送权限*/#define PushClose (([[UIDevice currentDevice].systemVersion floatValue]>=8.0f)?(UIUserNotificationTypeNone == [[UIApplication sharedApplication] currentUserNotificationSettings].types):(UIRemoteNotificationTypeNone == [[UIApplication sharedApplication] enabledRemoteNotificationTypes]))#define PushOpen (!PushClose) |
10.本地文件加载
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#define LoadImage(file,type) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:file ofType:type]]#define LoadArray(file,type) [NSArray arrayWithContentsOfFile:[[NSBundle mainBundle]pathForResource:file ofType:type]]#define LoadDict(file,type) [NSDictionary dictionaryWithContentsOfFile:[[NSBundle mainBundle]pathForResource:file ofType:type]] |
11.Block
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//弱引用#define WeakWithNameAndObject(obj,name) __weak typeof(obj) weak##name = obj//强引用#define StrongWithNameAndObject(obj,name) __strong typeof(obj) strong##name = obj |
总结
以上就是这篇文章的全部内容了，希望本文的内容对大家的学习或者工作具有一定的参考学习价值，如果有疑问大家可以留言交流，谢谢大家对服务器之家的支持。
原文链接：https://www.jianshu.com/p/0d380a1eff33
