• iOS开发经常使用宏定义


    iOS开发经常使用宏定义

    iOS开发中经常须要获取屏幕宽度高度,为view设置颜色,为imgagView设置图片等,我们都可定义一些宏,随时都可拿来使用,方便开发

    <span style="font-size:18px;">#ifndef FingerTips_Macro_Config_h
    #define FingerTips_Macro_Config_h
    
    //获取屏幕 宽度、高度
    #define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)
    #define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)
    
    //DEBUG  模式下打印日志,当前行
    #ifdef DEBUG
    #define NSLog(format, ...) do {                                                             
    fprintf(stderr, "<%s : %d> %s
    ",                                           
    [[[NSString stringWithUTF8String:__FILE__] lastPathComponent] UTF8String],  
    __LINE__, __func__);                                                        
    (NSLog)((format), ##__VA_ARGS__);                                           
    fprintf(stderr, "-------
    ");                                               
    } while (0)
    #else
    #define NSLog(...)
    #endif
    //推断是否 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) //获取系统版本号 #define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue] #define CurrentSystemVersion [[UIDevice currentDevice] systemVersion] //推断是真机还是模拟器 #if TARGET_OS_IPHONE //iPhone Device #endif #if TARGET_IPHONE_SIMULATOR //iPhone Simulator #endif //检查系统版本号 #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) //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(imageName) [UIImage imageNamed:[NSString stringWithFormat:@"%@",imageName]] // 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] // 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) // 获取屏幕大小 #define kDeviceWidth [UIScreen mainScreen].bounds.size.width #define KDeviceHeight [UIScreen mainScreen].bounds.size.height #define IS_IOS7 (([[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0)? (YES):(NO)) #define IS_IOS6 (([[[UIDevice currentDevice] systemVersion] floatValue] >= 6.0)?

    (YES):(NO)) #define IS_4INCH ([UIScreen instancesRespondToSelector:@selector(currentMode)] ?

    CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO) //释放内存 #define RELEASE_SAFE(_Pointer) do{[_Pointer release],_Pointer = nil;}while(0) #endif </span>








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  • 原文地址:https://www.cnblogs.com/zfyouxi/p/5134088.html
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