#Playgrounds
base playground running in the simulator. Really useful to prototype code that use user interaction (like gestures), otherwise impossible in the playground itself.
To run the simulator press alt-cmd-0 and select [V] run in full simulator
if it dosn't start automatically just edit anything the code (adding a space)
playground running in simulator with an UIButton. When the button is touched it perform an animation, changing his color and dimension; when released it go back to the original appearence.