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I have recently been using the new Apple MusicKit functionality. I've got a Developer Token and Music-User-Token and I can run the test code provided by Apple.

I want to try and do a few more things but the documentation doesn't seem to cover it.

From what I can tell (at the moment) the User Token is only used to edit things like ratings of albums, songs etc

Source: https://developer.apple.com/library/content/documentation/NetworkingInternetWeb/Conceptual/AppleMusicWebServicesReference/RateaAlbum.html#//apple_ref/doc/uid/TP40017625-CH78-SW1

Problem 1:

What I'd love to do is create a playlist (via this API rather than the native Objective-C/Swift) code.

Using the native code, the playlist ID is a GUID but this ID doesn't seem to be relevant to the Apple APIs ID for a playlist (formatted pl.u-[uniquereference])

Problem 2:

I'd also like to retrieve a list of my playlists.

Has anyone done this? Is it even possible?

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scgough
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1 Answers1

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You can download the Apple Music Sample Code here, and take a look function createPlaylistIfNeeded() in MediaLibraryManager.swift. It does create a playlist.

Base on my understanding you can create and retrieve the playlist by using

MPMediaLibrary.getPlaylist(with:creationMetadata:completionHandler:)

However, if you go to check this function's definition on Apple Developer Document

getPlaylist(with:creationMetadata:completionHandler:)

Retrieves an app maintained existing playlist or creates a new playlist when no playlist exists.

So, I think you can not retrieve users' playlist unless it is created in your app.

Btw, Would you mind to share how you done with the JWT? I checked the website that the Apple provided JWT Website. But the swift library JWT it recommended on the site, has not yet supported ES256. So I had to use a python library to generate one and hardcode in the code for testing.

Please let me know if you have solved it. Thanks

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Tim Lin
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