JeffB6688 JeffB6688 - 4 months ago 16
iOS Question

How Do You Obtain the "Purchase Date" or "Date Added" from MPMediaItems in iPod Library

As users download new songs into their iPod Music library from the iTunes Store, I would like to programmatically list those songs in a table view. Is it possible to obtain the "Date Added" or "Purchase Date" from the MPMediaItemCollection? I see there are property keys such as play count and last played date. I know the data exists because it can be viewed in iTunes, but I am not finding it. Any suggestions on where to find this or how to derive it?

Answer

As you can see in Apple Documentation for MPMediaItem http://developer.apple.com/library/ios/#documentation/mediaplayer/reference/MPMediaItem_ClassReference/Reference/Reference.html#//apple_ref/occ/cl/MPMediaItem, you access all the properties through enumerateValuesForProperties:usingBlock: or valueForProperty:, but there isn't a property for Date Added or Purchased Date informations.

This doesn't mean that the data isn't stored somewhere (surely it is): this just means that you cannot access that information through public APIs, maybe for privacy issues.

I don't know anyway if there is a way to obtain this information through some private API calls, but if it exists you can't use it for AppStore apps because it will cause you a rejection during review process.