public View onCreateView( LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { bg_layout = inflater.inflate(R.layout.fragment_square_item, container, false); // pullToRefreshListView 的初始化及设置 pullToRefreshListView = (PullToRefreshListView) bg_layout.findViewById(R.id.fragment_hot_square_pulltorefreshview); list = new LinkedList<>(); adapter = new TrendsAdapter(list, getContext(), this); // 下拉刷新控件处理 pullToRefreshListView.setAdapter(adapter); pullToRefreshListView.setMode(PullToRefreshBase.Mode.PULL_FROM_END); pullToRefreshListView.setOnRefreshListener(this); UserID = MyApplication.getUSERID(); // 异步任务请求获取UI数据 new TrendsTask(this).execute(Configs.NEWTRENDS, lastId, UserID); return bg_layout; }