With the little code i've done on objective-c, I have to say that I prefer method 4. It kinda goes with the (unwritten) convension that a method's first parame

With the little code i've done on objective-c, I have to say that I prefer method 4. It kinda goes with the (unwritten) convension that a method's first parameter is always the longest so that the rest of the parameters align well with the colon character. And I don't think you can always rely on code-formatters. There are always cases when you need to manually format a piece of code to make it look more sensible.