trip_page.dart

Future<void> _shareAlbum(BuildContext context) async {
  // Show the loading indicator
  setState(() {
    _inSharingApiCall = true;
  });
  final SnackBar snackBar = SnackBar(
    duration: Duration(seconds: 3),
    content: const Text('Sharing Album...'),
  );
  Scaffold.of(context).showSnackBar(snackBar);
  // Share the album and update the local model
  await ScopedModel.of<PhotosLibraryApiModel>(context).shareAlbum(album.id);
  final Album updatedAlbum =
      await ScopedModel.of<PhotosLibraryApiModel>(context).getAlbum(album.id);
  print('Album has been shared.');
  setState(() {
    album = updatedAlbum;
    // Hide the loading indicator
    _inSharingApiCall = false;
  });
}