pe</CODE> - The mime type of the media store media. Ok to default to empty string "". See
      <A HREF="http://d.android.com/reference/android/provider/MediaStore.MediaColumns.html?is-external=true#MIME_TYPE" title="class or interface in android.provider"><CODE>MediaStore.MediaColumns.MIME_TYPE</CODE></A> or
      <A HREF="http://d.android.com/reference/android/provider/MediaStore.MediaColumns.html?is-external=true#MIME_TYPE" title="class or interface in android.provider"><CODE>MediaStore.MediaColumns.MIME