XlistView最新

public class MainActivity extends AppCompatActivity {
    XListView lv;
    TextView tv;
    Gson gson = new Gson();
    List<Bean.DataBean> list;
    MyAdapter adapter;
    Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            if (msg.what == 1) {
                String[] arr = (String[]) msg.obj;
                String json = arr[0];
                String isAddString = arr[1];
                boolean isAdd = Boolean.parseBoolean(isAddString);
                Bean bean = gson.fromJson(json, Bean.class);
                list = bean.getData();
                if (isAdd) {
                    list.addAll(list);
                    adapter.addData(list);
                } else {
                    adapter.updateData(list);
                }
                lv.stopLoadMore();
                lv.stopRefresh();
            }
        }
    };
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tv = (TextView) findViewById(R.id.tv);
        lv = (XListView) findViewById(R.id.lv);
        lv.setPullLoadEnable(true);
        lv.setPullRefreshEnable(true);
        lv.setXListViewListener(new XListView.IXListViewListener() {
            @Override
            public void onRefresh() {
                getData(false);
            }
            @Override
            public void onLoadMore() {
                getData(true);
            }
        });
        getData(true);
        adapter = new MyAdapter(MainActivity.this);
        lv.setAdapter(adapter);
    }
    private void getData(final boolean isFrist) {
        new Thread() {
            @Override
            public void run() {
                super.run();
                String path = "http://shouyoutoutiao.app.17wanba.com/toutiao/get_list";
                try {
                    URL url = new URL(path);
                    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
                    if (connection.getResponseCode() == 200) {
                        InputStream inputStream = connection.getInputStream();
                        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
                        String str = "";
                        StringBuilder builder = new StringBuilder();
                        while ((str = reader.readLine()) != null) {
                            builder.append(str);
                        }
                        Message msg = Message.obtain();
                        msg.obj = new String[]{builder.toString(), isFrist + ""};
                        msg.what = 1;
                        handler.sendMessage(msg);
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }.start();
    }
}