UIColor snippet for RubyMotion

gistfile1.rb

# Usage:
# color('0088cc')
# With alpha channel:
# color('ff0000', 0.5)

def color(color_string, alpha = 1.0)
  red   = color_string[0,2].hex
  green = color_string[2,2].hex
  blue  = color_string[4,2].hex
      
  red_percent   = red.to_f / 255
  green_percent = green.to_f / 255
  blue_percent  = blue.to_f / 255
  
  return UIColor.colorWithRed(red_percent, green:green_percent, blue:blue_percent, alpha:alpha)
end