Android has a media scanner that indexes and caches all the media
metadata on external storage.  It does this at boot or when the media
is unmounted and remounted.  If you make a change to a file it has
indexed and want apps that use the index to see the new metadata, you
will have to tell Android that the file has changed needs to be
indexed again it.  See MediaScannerConnection.scanFile.

Doug

On Oct 2, 5:29 am, Sabre Tooth <[email protected]> wrote:
> Can anyone tell me how to access/update the song title in the default
> music app?  I have a Motorola Xoom with Android 3.2 running. If I
> change the title and display name of a song I can see that it was
> changed on the disk and by querying the fields but the change does not
> show up when I run the music app. The old title and display name are
> still there.  I would appreciate any input on this matter.

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