UIButton Subclass with a built-in UIActivityIndicator. Based off the Ladda concept by Hakim El Hattab http://lab.hakim.se/ladda/
JHActivityButton makes use of the AHEasing library.
TODO:
- Reverse animations (back to normal state)
- UIAppearance support for activity indicator and background color states.
- Combine animations methods to reduce code duplication
Known Issues:
- Tons, it's early days