iPhone : how to get recording time using AVAudioPlayer?

how can i recognize the duration of my recording that is recorded by the user.

Here Recording time is not decided, so user can record how much time he/she wants.

so I want to recogniz开发者_StackOverflow中文版e that my recording is going to be finish now, and then after I want to give some action.

So How do I get that duration ?

Here is the Good example of Audio recording.

You can better use NSTimer to schedule specified time to record and after time expires stop recording....