Add to login items, Objective C [duplicate]

This question already has answers here: 开发者_Go百科 Closed 11 years ago.

Possible Duplicate:

Register as Login Item with Cocoa?

I am trying add my app in the login items (so it runs on startup) on the Mac. I will hook up a checkbox in my preferences to enable or disable this feature. On Windows you could just place a shortcut in the startup folder or use the registry, but how do you do it on the Mac?

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apple's ux expects the user to use the integrated functionality of the system, provided in system preferences (if you have a daemon/agent, that's different).

so, you should generally follow the user's expectation (it's the mac way) and provide them with a message to add it to their startup items, and why it's important.