How to add a sandboxed app to the login items

Question

I want my app to auto start if the user select the option. The methods I have been using is not allowed anymore in sandboxed apps.

I know I have to create a helper to a

Answer 1

You should succeed by using this (disclaimer: my) tutorial, sample project included.

Update: I've now tested the sample project you've uploaded: It works just fine with me, without any modifications, and launch at login succeeds. The only trick is that the AutoStart.app file has to be placed in the /Applications or ~/Applications folder to be launched successfully at login. This is necessary regardless of whether the app is sandboxed or not. However, there's no official documentation on this, I'm afraid.