@Override
protected void refreshStories() {
Uri storiesUri = FeedProvider.FEED_STORIES_URI.buildUpon().appendPath(feedId).build();
Cursor cursor =
contentResolver.query(
storiesUri,
null,
DatabaseConstants.getStorySelectionFromState(currentState),
null,
DatabaseConstants.getStorySortOrder(storyOrder));
adapter.swapCursor(cursor);
}
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_itemlist, null);
ListView itemList = (ListView) v.findViewById(R.id.itemlistfragment_list);
itemList.setEmptyView(v.findViewById(R.id.empty_view));
contentResolver = getActivity().getContentResolver();
Uri storiesUri = FeedProvider.FEED_STORIES_URI.buildUpon().appendPath(feedId).build();
Cursor storiesCursor =
contentResolver.query(
storiesUri,
null,
DatabaseConstants.getStorySelectionFromState(currentState),
null,
DatabaseConstants.getStorySortOrder(storyOrder));
Uri feedUri = FeedProvider.FEEDS_URI.buildUpon().appendPath(feedId).build();
Cursor feedCursor = contentResolver.query(feedUri, null, null, null, null);
if (feedCursor.getCount() < 1) {
// This shouldn't happen, but crash reports indicate that it does (very rarely).
// If we are told to create an item list for a feed, but then can't find that feed ID in the
// DB,
// something is very wrong, and we won't be able to recover, so just force the user back to
// the
// feed list until we have a better understanding of how to prevent this.
Log.w(this.getClass().getName(), "Feed not found in DB, can't create item list.");
getActivity().finish();
return v;
}
feedCursor.moveToFirst();
Feed feed = Feed.fromCursor(feedCursor);
String[] groupFrom =
new String[] {
DatabaseConstants.STORY_TITLE,
DatabaseConstants.STORY_AUTHORS,
DatabaseConstants.STORY_READ,
DatabaseConstants.STORY_SHORTDATE,
DatabaseConstants.STORY_INTELLIGENCE_AUTHORS
};
int[] groupTo =
new int[] {
R.id.row_item_title,
R.id.row_item_author,
R.id.row_item_title,
R.id.row_item_date,
R.id.row_item_sidebar
};
// create the adapter before starting the loader, since the callback updates the adapter
adapter =
new FeedItemsAdapter(
getActivity(),
feed,
R.layout.row_item,
storiesCursor,
groupFrom,
groupTo,
CursorAdapter.FLAG_REGISTER_CONTENT_OBSERVER);
getLoaderManager().initLoader(ITEMLIST_LOADER, null, this);
itemList.setOnScrollListener(this);
adapter.setViewBinder(new FeedItemViewBinder(getActivity()));
itemList.setAdapter(adapter);
itemList.setOnItemClickListener(this);
itemList.setOnCreateContextMenuListener(this);
return v;
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
adapter.notifyDataSetInvalidated();
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
if (cursor != null) {
adapter.swapCursor(cursor);
}
}