How to refresh a GridView?

Question

I have a GridView which is pretty similar to the Google tutorial, except that I want to add the ImageViews on runtime (via a subactivity). The results are okay, but the layo

Answer 1

This may be helpful. I refresh a gridview of book image thumbnails after a delete is executed on an item. Using adapter.notifyDataChanged(); as mentioned above didn't work for me as it's called in my adapter.

//this is a call that retrieves cached data.
//your constructor can be designed and used without it.
final Object data = getLastNonConfigurationInstance();

I essentially just reload the adapter and bind it to the same view.

//reload the adapter
adapter = new BooksAdapter(MyBooks.this, MyBooks.this, data, show_collection );
grid.invalidateViews();
grid.setAdapter(adapter);