Animatable text color of UILabel

October 4, 2011

Every time I talk with an android developer about the strong and weak points of iOS development, I always have the CoreAnimation ace up my sleeve. Core animation is great. Not only that it’s so powerful and efficient, it’s also one of the most elegant frameworks I got the chance to work with. In 95% of the cases you can just write

 [UIView animateWithBlock:..] 

and pass a block with the final values of each property we want to animate.

Being the lazy developer that I am, the UIView animation block is a dream come true. This is why I get so annoyed when I encounter a non animatable property, like the text color property of UILabel. That’s right – UILabel, our main component for showing text on the screen, can’t animate all of its text related properties, like textColor, text, font, etc.

If we want to animate textColor, we have two simple but ugly options, and one complicated but delicious solution. Lets talk about the uglies first.
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