how to play music in the background base on iPhone4?

Discussion in 'iPhone/iPad Programming' started by cleexiang, Jun 24, 2010.

  1. macrumors newbie

    Joined:
    Jun 24, 2010
    #1
    I have a software used to play music which developed on iPhone3.x platform. Now I want it to support backstage work on iPhone4. what shall i modify? It is better if give me example code, thanks!
     

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