FriendPickerFragment.java 文件源码

@Override
protected void onLoadFinished(GraphObjectPagingLoader<GraphUser> loader,
        SimpleGraphObjectCursor<GraphUser> data) {
    super.onLoadFinished(loader, data);

    // We could be called in this state if we are clearing data or if we are being re-attached
    // in the middle of a query.
    if (data == null || loader.isLoading()) {
        return;
    }

    if (data.areMoreObjectsAvailable()) {
        // We got results, but more are available.
        followNextLink();
    } else {
        // We finished loading results.
        hideActivityCircle();

        // If this was from the cache, schedule a delayed refresh query (unless we got no results
        // at all, in which case refresh immediately.
        if (data.isFromCache()) {
            loader.refreshOriginalRequest(data.getCount() == 0 ? CACHED_RESULT_REFRESH_DELAY : 0);
        }
    }
}