iOS4 Create Background Timer

Question

I (Basically) need to create a background timer on iOS 4 that will allow me to execute some code when a specific amount of time has passed. I have read that you can accomplish this using some [NSThread detachNewThreadSelector: toTarget: withObject:]; but how does that work in practice? How can I ensure that the thread remains in the background also. Local notifications will NOT work for me, as I need to execute code, not notify the user.

Help would be appreciated!

Answer 1

You can use those call to execute a method (selector) of an object (toTarget) with some parameter (withObject) in a new thread (detachNewThred).

Now if you want to execute a delayed task may be the best approach is performSelector: withObject: afterDelay: and the if you want to run the task on background call the detachNewThreadSelector: toTarget: withObject: