SwipyRefreshLayout刷新效果

@Overridepublic void onActivityCreated(@Nullable Bundle savedInstanceState) {    super.onActivityCreated(savedInstanceState);    LinearLayoutManager manger=new LinearLayoutManager(getActivity());    reclv.setLayoutManager(manger);    qingqiu();//设置刷新变换颜色 srl.setColorSchemeColors(R.color.colorPrimaryDark, R.color.colorPrimary, R.color.colorAccent, android.R.color.holo_blue_light);    srl.setDirection(SwipyRefreshLayoutDirection.BOTH);//刷新监听 srl.setOnRefreshListener(new SwipyRefreshLayout.OnRefreshListener() {        @Override//下拉监听// public void onRefresh(int index) {            startNum=0;            qingqiu();            handler.postDelayed(new Runnable() {                @Override                public void run() {               srl.setRefreshing(false);                }            },2000);        }  //上拉监听        @Override        public void onLoad(int index) {            startNum++;            qingqiu();            handler.postDelayed(new Runnable() {                @Override                public void run() {                    srl.setRefreshing(false);                }            },2000);        }    });}