iOS常用宏定义

宏定义可以很方便开发和调试,我们也要对其进行归类,提高代码可读性和规范性。

宏定义在很多方面都会使用,例如定义高度、判断iOS系统、工具类,还有诸如文件路径、服务端api接口文档。为了对宏能够快速定位和了解其功能,我们最好在定义的时候将其放入特定的头文件中,下面我抛砖引玉,对一些常用的宏进行分类、分文件定义,希望对大家有所帮助。

1.定义尺寸类的宏

DimensMacros.h

//状态栏高度
#define STATUS_BAR_HEIGHT 20

//NavBar高度
#define NAVIGATION_BAR_HEIGHT 44

//状态栏 + 导航栏 高度
#define STATUS_AND_NAVIGATION_HEIGHT ((STATUS_BAR_HEIGHT) + (NAVIGATION_BAR_HEIGHT))

//屏幕 rect
#define SCREEN_RECT ([UIScreen mainScreen].bounds)
#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)
#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)
#define CONTENT_HEIGHT (SCREEN_HEIGHT - NAVIGATION_BAR_HEIGHT - STATUS_BAR_HEIGHT)

//屏幕分辨率
#define SCREEN_RESOLUTION (SCREEN_WIDTH * SCREEN_HEIGHT * ([UIScreen mainScreen].scale))

//广告栏高度
#define BANNER_HEIGHT 215
#define STYLEPAGE_HEIGHT 21
#define SMALLTV_HEIGHT 77
#define SMALLTV_WIDTH 110
#define FOLLOW_HEIGHT 220
#define SUBCHANNEL_HEIGHT 62

2.定义沙盒目录文件的宏

PathMacros.h

//文件目录
#define kPathTemp NSTemporaryDirectory()
#define kPathDocument [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0]
#define kPathCache [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) objectAtIndex:0]
#define kPathSearch [kPathDocument stringByAppendingPathComponent:@"Search.plist"]
#define kPathMagazine [kPathDocument stringByAppendingPathComponent:@"Magazine"]
#define kPathDownloadedMgzs [kPathMagazine stringByAppendingPathComponent:@"DownloadedMgz.plist"]
#define kPathDownloadURLs [kPathMagazine stringByAppendingPathComponent:@"DownloadURLs.plist"]
#define kPathOperation [kPathMagazine stringByAppendingPathComponent:@"Operation.plist"]
#define kPathSplashScreen [kPathCache stringByAppendingPathComponent:@"splashScreen"]

3.工具类的宏

UtilsMacros.h
//Log utils marco

#define ALog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
#ifdef DEBUG
#define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
#else
#define DLog(...)
#endif

#ifdef DEBUG
#define ULog(...)

//#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

//System version utils

#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)

// 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)

#define IsPortrait ([UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationPortrait || [UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationPortraitUpsideDown)

#define IsNilOrNull(_ref)   (((_ref) == nil) || ([(_ref) isEqual:[NSNull null]]))

//角度转弧度
#define DEGREES_TO_RADIANS(d) (d * M_PI / 180)

//大于等于7.0的ios版本
#define iOS7_OR_LATER SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"7.0")

//大于等于8.0的ios版本
#define iOS8_OR_LATER SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"8.0")

//iOS6时,导航VC中view的起始高度
#define YH_HEIGHT (iOS7_OR_LATER ? 64:0)

//获取系统时间戳
#define getCurentTime [NSString stringWithFormat:@"%ld", (long)[[NSDate date] timeIntervalSince1970]]

4.通知Notification相关的宏

NotificationMacros.h

//系统Notification定义
#define TNCancelFavoriteProductNotification     @"TNCancelFavoriteProductNotification"      //取消收藏时
#define TNMarkFavoriteProductNotification       @"TNMarkFavoriteProductNotification"        //标记收藏时

#define kNotficationDownloadProgressChanged     @"kNotficationDownloadProgressChanged"      //下载进度变化
#define kNotificationPauseDownload              @"kNotificationPauseDownload"               //暂停下载
#define kNotificationStartDownload              @"kNotificationStartDownload"               //开始下载

#define kNotificationDownloadSuccess            @"kNotificationDownloadSuccess"             //下载成功
#define kNotificationDownloadFailed             @"kNotificationDownloadFailed"              //下载失败
#define kNotificationDownloadNewMagazine        @"kNotificationDownloadNewMagazine"

服务端API接口的宏

APIStringMacros.h
//接口名称相关

#ifdef DEBUG
//Debug状态下的测试API
#define API_BASE_URL_STRING     @"http://boys.test.companydomain.com/api/"

#else
//Release状态下的线上API
#define API_BASE_URL_STRING     @"http://www.companydomain.com/api/"

#endif

//接口
#define GET_CONTENT_DETAIL      @"channel/getContentDetail" //获取内容详情(含上一个和下一个)

#define GET_COMMENT_LIST        @"comment/getCommentList"   //获取评论列表

#define COMMENT_LOGIN           @"comment/login"            //获取评论列表

#define COMMENT_PUBLISH         @"comment/publish"          //发布评论

#define COMMENT_DELETE          @"comment/delComment"       //删除评论

#define LOGINOUT                @"common/logout"            //登出

还有很多其他类型的宏,此处不一一列举

创建一个import所有宏相关的文件Macros.h

Macros.h
#import "UtilsMacros.h"
#import "APIStringMacros.h"
#import "DimensMacros.h"
#import "NotificationMacros.h"
#import "SharePlatformMacros.h"
#import "StringMacros.h"
#import "UserBehaviorMacros.h"
#import "PathMacros.h"

在xcode项目的pch文件中,导入Macros.h文件

XcodeProjectName-Prefix.pch
#ifdef __OBJC__
    #import 
    #import 
    #import "Macros.h"
#endif

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