drawlayout点击请求不同数据并XListView刷新

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<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.lixinyang.zhoukao_zhou2.MainActivity"
android:id="@+id/dl">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<com.bwie.xlistviewlibrary.View.XListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/xlv">

</com.bwie.xlistviewlibrary.View.XListView>
</LinearLayout>
<ListView
android:layout_width="400dp"
android:layout_height="match_parent"
android:id="@+id/lv"
android:layout_gravity="start"
android:choiceMode="singleChoice"
android:background="@color/colorAccent"></ListView>
</android.support.v4.widget.DrawerLayout>

public class MainActivity extends AppCompatActivity implements XListView.IXListViewListener {

List<Bean.DataBean> list = new ArrayList<Bean.DataBean>();
private ListView lv;
int aa;
int bb;
String uri;
Handler handler=new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);

adapter.notifyDataSetChanged();
uiComplete();
}
};
private XListView xlv;
private MyAdapter adapter;
private ImageLoader instance;
private DrawerLayout dl;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lv = (ListView) findViewById(R.id.lv);
xlv = (XListView) findViewById(R.id.xlv);
dl = (DrawerLayout) findViewById(R.id.dl);
xlv.setPullLoadEnable(true); //让XListView有上拉加载的功能;
xlv.setXListViewListener(MainActivity.this);// 接口回调要把接口实现类设置进去, MainActivity就是(XListViewListener)它的实现了
instance = ImageLoader.getInstance();

indata();
onclick();
adapter = new MyAdapter();
xlv.setAdapter(adapter);
}

private void onclick() {
lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
list.clear();
aa=1;
uri="http://api.expoon.com/AppNews/getNewsList/type/"+(i+1)+"/p/"+aa;
bb=i+1;
setUri(aa);
httpclick();
dl.closeDrawer(lv);
//Toast.makeText(MainActivity.this,""+i,Toast.LENGTH_LONG).show();
}
});
}

private void indata() {
List<String> list = new ArrayList<String>();
list.add("新闻");
list.add("关注");
list.add("动态");
list.add("设置");
ArrayAdapter<String> stringArrayAdapter = new ArrayAdapter<String>(MainActivity.this,android.R.layout.simple_list_item_1, list);
lv.setAdapter(stringArrayAdapter);
}
public void setUri(int cc){
uri="http://api.expoon.com/AppNews/getNewsList/type/"+bb+"/p/"+cc;

}
public void httpclick(){
new Thread() {
@Override
public void run() {
super.run();
DefaultHttpClient defaultHttpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost(uri);
try {
SSLSocketFactory.getSocketFactory().setHostnameVerifier(new AllowAllHostnameVerifier());
//得到服务器返回的数据;
HttpResponse response = defaultHttpClient.execute(httpPost);
//得到状态码
int statusCode = response.getStatusLine().getStatusCode();
if(statusCode ==200){
//entiry 里面封装的数据;
HttpEntity entity = response.getEntity();
//这个result就是json字符串，剩下的就是解析工作了；
String result = EntityUtils.toString(entity);
Gson gson=new Gson();
Bean bean = gson.fromJson(result, Bean.class);
List<Bean.DataBean> data = bean.getData();
list.addAll(data);
Message msg = new Message();
handler.sendMessage(msg);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}.start();
}

@Override
public void onRefresh() {
list.clear();
aa=1;
setUri(aa);
httpclick();
}

@Override
public void onLoadMore() {
aa++;
setUri(aa);
httpclick();
}
class MyAdapter extends BaseAdapter{

@Override
public int getCount() {
return list.size();
}

@Override
public Object getItem(int i) {
return null;
}

@Override
public long getItemId(int i) {
return 0;
}

@Override
public int getItemViewType(int position) {
String pic_url = list.get(position).getPic_url();
if(pic_url!=null){
return 0;
}else{
return 1;
}
}

@Override
public int getViewTypeCount() {
return 2;
}

@Override
public View getView(int i, View view, ViewGroup viewGroup) {
int viewType = getItemViewType(i);
switch(viewType){
case 0:
Holder1 holder1=null;
if(view==null){
holder1=new Holder1();
view=View.inflate(MainActivity.this,R.layout.activity_list1,null);
holder1.textView1=view.findViewById(R.id.tv1);
holder1.imageView1=view.findViewById(R.id.iv1);
view.setTag(holder1);
}else{
holder1 = (Holder1) view.getTag();
}
holder1.textView1.setText(list.get(i).getNews_title());
instance.displayImage(list.get(i).getPic_url(),holder1.imageView1);
break;
case 1:
Holder2 holder2=null;
if(view==null){
holder2=new Holder2();
view=View.inflate(MainActivity.this,R.layout.activity_list2,null);
holder2.textView2=view.findViewById(R.id.tv2);
view.setTag(holder2);
}else{
holder2 = (Holder2) view.getTag();
}
holder2.textView2.setText(list.get(i).getNews_title());
break;
}
return view;
}
}
class Holder1{
TextView textView1;
ImageView imageView1;
}
class Holder2{
TextView textView2;
}
private void uiComplete(){
xlv.stopRefresh();//停止刷新
xlv.stopLoadMore();//停止上拉加载更多
Date date = new Date();
//Calendar instance = Calendar.getInstance();
xlv.setRefreshTime(date.getHours()+";"+date.getMinutes()+";"+date.getSeconds());
}
}

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