#define UIColorFromHexWithAlpha(hexValue,a) [UIColor colorWithRed:((float)((hexValue & 0xFF0000) >> 16))/255.0 green:((float)((hexValue & 0xFF00) >> 8))/255.0 blue:((float)(hexValue & 0xFF))/255.0 alpha:a]
#define UIColorFromHex(hexValue)? ? ? ? ? ? UIColorFromHexWithAlpha(hexValue,1.0)
#define UIColorFromRGBA(r,g,b,a)? ? ? ? ? ? [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a]
#define UIColorFromRGB(r,g,b)? ? ? ? ? ? ? UIColorFromRGBA(r,g,b,1.0)
#define IOS9_OR_LATER? ? ? ([[UIDevice currentDevice].systemVersion floatValue] >= 9.0?YES:NO)
#define iOS8_OR_LATER? ? ? ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0)
#define IOS7_OR_LATER? ? ? ([[UIDevice currentDevice].systemVersion floatValue] >= 7.0?YES:NO)
#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)? ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
#define Simulator? ? ? ? ? ([[UIDevice currentDevice].localizedModel isEqualToString:@"iPhone Simulator"])
#define kScreenWidth ([[UIScreen mainScreen]bounds].size.width)
#define kScreenHeight ([[UIScreen mainScreen]bounds].size.height)
#ifndef? ? weakify_self
#if __has_feature(objc_arc)
#define weakify_self autoreleasepool{} __weak __typeof__(self) weakSelf = self;
#else
#define weakify_self autoreleasepool{} __block __typeof__(self) blockSelf = self;
#endif
#endif
#ifndef? ? strongify_self
#if __has_feature(objc_arc)
#define strongify_self try{} @finally{} __typeof__(weakSelf) self = weakSelf;
#else
#define strongify_self try{} @finally{} __typeof__(blockSelf) self = blockSelf;
#endif
#endif
