Navigate to AlbumDetail route

navigation.dart

class _TrackButtonShowAlbumDetails extends StatelessWidget {
  final TrackItem _trackItem;

  _TrackButtonShowAlbumDetails(this._trackItem);

  @override
  Widget build(BuildContext context) {
    return IconButton(
      icon: Icon(Icons.dehaze),
      color: Theme.of(context).buttonColor,
      iconSize: 20,
      onPressed: () {
        Navigator.push(context, MaterialPageRoute(builder: (context) => AlbumDetail(_trackItem)));
      }
    );
  }
}