不是分页 的

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如果不是分页的链接需要添加

private boolean isPull =false;

//判断需要改为

if (isPull) {
    isPull = !isPull;
    goodsList.clear();
}

刷新要改为

isPull=true;加载删掉

/////////////////////////////没有分页的

private String path  ="http://172.17.8.100/mobile/exam/findNewList";
   // private int page = 1;
    private PullAdapter pullAadpder;

    private boolean isPull =false;
    private PullToRefreshListView pullListView;
    private HttpUtils httpUtils;
    private List<Goods.ResultBean.DataBean> goodsList = new ArrayList <> ();
    //侧滑
    private DrawerLayout drawerLayout;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate (savedInstanceState);
        setContentView (R.layout.activity_main);
        drawerLayout = findViewById (R.id.dw);

        pullListView = findViewById (R.id.pull);

        //数据解析
        setDataJson();


        pullListView.setOnItemClickListener (new AdapterView.OnItemClickListener () {
            @Override
            public void onItemClick(AdapterView <?> parent, View view, int position, long id) {
               Goods.ResultBean.DataBean bean  = (Goods.ResultBean.DataBean) parent.getAdapter ().getItem (position);

                Intent intent = new Intent (MainActivity.this,WebActivity.class);
               intent.putExtra ("url",bean.getUrl ());

               startActivity (intent);

            }
        });
    }

    private void setDataJson() {

        httpUtils = HttpUtils.getInstance ();
        httpUtils.getDataFromServer (path);
        httpUtils.setNetCallback (new HttpUtils.NetCallback () {
            @Override
            public void onSuccess(String result) {
                Gson gson = new Gson ();

                Goods goods = gson.fromJson (result, Goods.class);


                if (isPull) {
                    isPull = !isPull;
                    goodsList.clear();
                }

                goodsList.addAll (goods.getResult ().getData ());
                pullAadpder.notifyDataSetChanged ();
            }
        });
        pullAadpder = new PullAdapter (goodsList, this);
        pullListView.setAdapter (pullAadpder);
        pullListView.setMode (PullToRefreshExpandableListView.Mode.BOTH);
        pullListView.setOnRefreshListener (new PullToRefreshBase.OnRefreshListener2 <ListView> () {
            @Override
            public void onPullDownToRefresh(PullToRefreshBase <ListView> refreshView) {
                //刷新
                isPull=true;
                httpUtils.getDataFromServer (path);
                pullListView.postDelayed (new Runnable () {
                    @Override
                    public void run() {
                        pullListView.onRefreshComplete ();
                    }
                }, 1000);
            }

            @Override
            public void onPullUpToRefresh(PullToRefreshBase <ListView> refreshView) {
                //加载

                httpUtils.getDataFromServer (path);
                pullListView.postDelayed (new Runnable () {
                    @Override
                    public void run() {
                        pullListView.onRefreshComplete ();
                    }
                }, 1000);

            }
        });
    }
}

=============上面是没有分页的MainActivity===========================