A category that allows the usage of start and completion blocks in CAAnimation instances, instead of an unpractical delegate.
To use it in your project, just add the
CAAnimation+Blocks.m files, then just assign a
void ^(BOOL finished) block to the
completion property of the
CAAnimation instance (which is added to it through a category). You can also assign a start block of the type
void ^(void). You can find a working example in RootViewController.m.