判断真机还是模拟器运行代码
// 真机
#if TARGET_OS_IPHONE
#endif
// 模拟器
#if TARGET_IPHONE_SIMULATOR
#endif
系统版本
#define IOS8_OR_LATER ([[UIDevice currentDevice].systemVersion doubleValue] >= 8.0)
颜色宏定义
#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)]
#define HEXCOLOR(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]
屏幕尺寸
#define SCREEN_HEIGHT [[UIScreen mainScreen] bounds].size.height
#define SCREEN_WIDTH [[UIScreen mainScreen] bounds].size.width
自定义打印
#ifdef DEBUG
#define JSLog(FORMAT, ...) fprintf(stderr,"%s:%d\t%s\n",[[[NSString stringWithUTF8String:__FILE__] lastPathComponent] UTF8String], __LINE__, [[NSString stringWithFormat:FORMAT, ##__VA_ARGS__] UTF8String]);
#else
#define JSLog(FORMAT, ...) nil
#endif
本地保存
#define JSDefault [NSUserDefaults standardUserDefaults]
空对象判断
//是否为空或是[NSNull null]
#define NotNilAndNull(_ref) (((_ref) != nil) && (![(_ref) isEqual:[NSNull null]]))
#define IsNilOrNull(_ref) (((_ref) == nil) || ([(_ref) isEqual:[NSNull null]]))
//字符串是否为空
#define IsStringEmpty(_ref) (((_ref) == nil) || ([(_ref) isEqual:[NSNull null]]) ||([(_ref)isEqualToString:@""]))
//数组是否为空
#define IsArrayEmpty(_ref) (((_ref) == nil) || ([(_ref) isEqual:[NSNull null]]) ||([(_ref) count] == 0))
线程执行方法
#define Foreground_Begin dispatch_async(dispatch_get_main_queue(), ^{
#define Foreground_End });
#define Background_Begin dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{\
@autoreleasepool {
#define Background_End }\
});
宏判断ARC和非ARC
#if __has_feature(objc_arc)
// ARC
#else
// 非ARC
#endif
角度和弧度转化
#define degreesToRadian(x) (M_PI * (x) / 180.0)
#define radianToDegrees(radian) (radian*180.0)/(M_PI)
用宏创建一个类的单例
#undef AS_SINGLETON
#define AS_SINGLETON( __class ) \
+ (__class *)sharedInstance;
#undef DEF_SINGLETON
#define DEF_SINGLETON( __class ) \
+ (__class *)sharedInstance \
{ \
static dispatch_once_t once; \
static __class * __singleton__; \
dispatch_once( &once, ^{ __singleton__ = [[__class alloc] init]; } ); \
return __singleton__; \
}
防止循环引用的强弱指针
#define WeakSelf(type) __weak typeof(type) weak##type = type;
#define StrongSelf(type) __strong typeof(type) type = weak##type;
设置UIView圆角
#define ViewBorderRadius(View, Radius, Width, Color)\
\
[View.layer setCornerRadius:(Radius)];\
[View.layer setMasksToBounds:YES];\
[View.layer setBorderWidth:(Width)];\
[View.layer setBorderColor:[Color CGColor]]
角度弧度互转
#define DegreesToRadian(x) (M_PI * (x) / 180.0)
#define RadianToDegrees(radian) (radian*180.0)/(M_PI)
沙盒目录
//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]
未完，待续。。。
