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iOS: Is it possible to detect if a track exists in music library?

I'm working on an app for a band and they'd like certain features to unlock if their album or singles are in the user's music library.

Is it possible to scan the library for a specific title?(and possibly check duration as well?)

Solution

  • Here is a working search. This checks for a track that matches both the title and the artist name.

    MPMediaPropertyPredicate *titlePredicate = [MPMediaPropertyPredicate predicateWithValue:@"Sleep The Clock Around" forProperty:MPMediaItemPropertyTitle comparisonType:MPMediaPredicateComparisonEqualTo];

MPMediaPropertyPredicate *artistPredicate = [MPMediaPropertyPredicate predicateWithValue:@"Belle & Sebastian" forProperty:MPMediaItemPropertyArtist comparisonType:MPMediaPredicateComparisonEqualTo];

MPMediaQuery *trackSearch = [[MPMediaQuery alloc] initWithFilterPredicates:[NSSet setWithObjects:titlePredicate,artistPredicate, nil]];

if(trackSearch.items.count > 0) NSLog(@"we found the track!");