implicit conversion of an Objective-C pointer to 'void *' is disallowed with ARC

Question

What does this mean and what alternative do I have?

implicit conversion of an Objective-C pointer to 'void *' is disallowed with ARC

I am porting an Xcode3 project to iOS5 which uses AudioSessionInitialize like this

AudioSessionInitialize(NULL, NULL, NULL, self);

where self here is a ViewController.

Answer 1

• Automatic Reference Counting - 3.2.4. Bridged casts

You should use __bridge cast for it.

AudioSessionInitialize(NULL, NULL, NULL, (__bridge void *)self);