private void deleteCaches(@NonNull final Collection<Geocache> caches, final boolean removeFromAllLists) {
        new DeleteCachesFromListCommand(this, caches, listId, removeFromAllLists).execute();
    }
Extract a cache from adapter data.

@param adapterInfo an adapterInfo
@return the pointed cache
main/src/main/java/cgeo/geocaching/CacheListActivity.java