Obj-C Categories / Helpers

Tools.m

@interface Tools: NSObject

+ (UIColor *)colorWithHex:(NSUInteger)hex;

@end
  
@implementation Tools
  
+ (UIColor *)colorWithHex:(NSUInteger)hex
{
    CGFloat red, green, blue, alpha;`
    
    red = ((CGFloat)((hex >> 16) & 0xFF)) / ((CGFloat)0xFF);
    green = ((CGFloat)((hex >> 8) & 0xFF)) / ((CGFloat)0xFF);
    blue = ((CGFloat)((hex >> 0) & 0xFF)) / ((CGFloat)0xFF);
    alpha = hex > 0xFFFFFF ? ((CGFloat)((hex >> 24) & 0xFF)) / ((CGFloat)0xFF) : 1;
    
    return [UIColor colorWithRed: red green:green blue:blue alpha:alpha];
}

@end