Playing music within your app

We released Mapping Tonal Harmony Pro 6 a few days ago.

One of the best features in the app is to be able to load and play tracks from the iPad’s Library. The process is pretty straight forward but we’ve encounter a few unexpected problems in the process.

We wanted the user to be able to pick a track from their library and load it into the app.
In order to do this the best option is to use the mediaPicker
This is how you call it:
– (void)chooseASongFromYourLibraryOnView:(UIViewController*) pViewController {
    MPMediaPickerController *picker =
    [[MPMediaPickerController alloc] initWithMediaTypes: MPMediaTypeMusic];
    
    picker.delegate                     = self;
    picker.allowsPickingMultipleItems   = NO;
    picker.prompt                       = NSLocalizedString (@”Select any song from the list”, @”Choose one song only”);
   
    curPickerController=picker;
    [pViewController presentViewController:picker animated:YES completion:nil];
}

Here’s the function called after the user has picked a track
– (void) mediaPicker: (MPMediaPickerController *) mediaPicker…