UIColor _hex

实现 hex 数字的UIcolor 生成

#import "UIColor+extension.h"

@implementation UIColor (extension)

+ (instancetype) KAkA_colorWithHex:(u_int32_t) hex{

int red = (hex & 0xFF0000) >> 16  ;

int green =  (hex & 0x00FF00) >> 8 ;

int blue = hex & 0x0000FF;

return [UIColor colorWithRed:red/255.0 green:green/255.0 blue:blue/255.0 alpha:1.0];

}

@end