public void update(List<RssfeedLoader> loaders) {
rssfeedsAdapter.update(loaders);
boolean hasSettings = !(loaders == null || loaders.size() == 0);
feedsList.setVisibility(hasSettings ? View.VISIBLE : View.GONE);
nosettingsText.setVisibility(hasSettings ? View.GONE : View.VISIBLE);
getActivity().invalidateOptionsMenu();
}
@Override
public void onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
boolean hasFeeds = rssfeedsAdapter != null && rssfeedsAdapter.getCount() > 0;
menu.findItem(R.id.action_refresh).setVisible(hasFeeds);
menu.findItem(R.id.action_settings)
.setShowAsAction(
!hasFeeds ? MenuItem.SHOW_AS_ACTION_ALWAYS : MenuItem.SHOW_AS_ACTION_NEVER);
}
/** Notifies the contained list of RSS feeds that the underlying data has been changed. */
public void notifyDataSetChanged() {
rssfeedsAdapter.notifyDataSetChanged();
}
