How to fire an alarm after 2 seconds on iPhone

I want to fire an alarm that will ring after 2 secs. How to开发者_高级运维 handle alarm code. Any help?

Thanks

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You should look into the NSTimer class

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It really depends what do you mean by an alarm...

If you want a popup alert after a while, you can use Local Notification, which is an iOS 4 feature. An example can be found here.

If you need certain function to be invoked by a timer, try NSTimer. Here is an example.