private Handler mHandler=new Handler(){
@Override
public void handleMessage(Message msg) {
if(msg.what==1){
if(page==1)
mList.clear();
page++;
Data data= (Data) msg.obj;
mList.addAll(data.getData());
mAdapter.notifyDataSetChanged();
stopLoad();
}
}
};
private List<Data.DataBean> mList;
private XListView mXListView;
private MyAdapter mAdapter;
private int page = 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
loadData();
}
private void initView() {
mList=new ArrayList<>();
mXListView=(XListView)findViewById(R.id.xlistview);
mXListView.setPullLoadEnable(true);
mXListView.setXListViewListener(this);
mAdapter=new MyAdapter();
mXListView.setAdapter(mAdapter);
}
/**
* 网络请求
*/
private void loadData() {
new Thread(){
@Override
public void run() {
String urlPath = "http://ic.snssdk.com/2/article/v25/stream/?category=news_tech&count=20&bd_latitude=4.9E-324&bd_longitude=4.9E-324&bd_loc_time=1457695555&loc_mode=5&lac=4527&cid=28883&iid=3835029558&device_id=12211880440&ac=wifi&channel=baidu&aid=13&app_name=news_article&version_code=460&device_platform=android&device_type=iToolsAVM&os_api="+page;
try {
URL url =new URL(urlPath);
HttpURLConnection urlConnection=(HttpURLConnection)url.openConnection();
urlConnection.connect();
if(urlConnection.getResponseCode()==200){
InputStream in = urlConnection.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(in));
StringBuffer sb=new StringBuffer();
String line = null;
while((line=br.readLine())!=null){
sb.append(line);
}
Log.e("loadData", "loadData:"+sb.toString() );
KLog.json(sb.toString());
Gson gson=new Gson();
Data data= gson.fromJson(sb.toString(),Data.class);
Message msg=Message.obtain();
msg.what=1;
msg.obj=data;
mHandler.sendMessage(msg);
}else{
Log.e("loadData", "loadData:网络异常---"+urlConnection.getResponseCode());
}
} catch (Exception e) {
e.printStackTrace();
}
}
}.start();
}
@Override
public void onRefresh() {
page = 1;
loadData();
}
@Override
public void onLoadMore() {
loadData();
}
private void stopLoad(){
mXListView.stopRefresh();
mXListView.stopLoadMore();
mXListView.setRefreshTime("刚刚");
}
class MyAdapter extends BaseAdapter{
final int TYPE0 = 0;
final int TYPE1 = 1;
final int TYPE3 = 2;
ImageLoader imageLoader;
DisplayImageOptions options;
public MyAdapter() {
imageLoader=ImageLoader.getInstance();
ImageLoaderConfiguration config = ImageLoaderConfiguration.createDefault(MainActivity.this);
imageLoader.init(config);
options=new DisplayImageOptions.Builder()
.showImageOnLoading(R.mipmap.ic_launcher)
.build();
}
@Override
public int getCount() {
return mList.size();
}
@Override
public Object getItem(int position) {
return mList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public int getItemViewType(int size) {
switch (size){
case 0:
return TYPE0;
case 1:
return TYPE1;
case 3:
return TYPE3;
default:
return TYPE0;
}
}
@Override
public int getViewTypeCount() {
return 3;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
Data.DataBean bean= mList.get(position);
List<Data.DataBean.ImageListBean> listImages =bean.getImage_list();
int size = listImages!=null?bean.getImage_list().size():0;
int type = getItemViewType(size);
KLog.e(position+"/"+size+"/"+type);
ViewHolder holder=null;
convertView=null;
if(convertView==null){
holder=new ViewHolder();
switch (type){
case TYPE0:
convertView=View.inflate(MainActivity.this,R.layout.item0,null);
break;
case TYPE1:
convertView=View.inflate(MainActivity.this,R.layout.item1,null);
holder.image1=(ImageView)convertView.findViewById(R.id.image1);
break;
case TYPE3:
convertView=View.inflate(MainActivity.this,R.layout.item3,null);
holder.image1=(ImageView)convertView.findViewById(R.id.image1);
holder.image2=(ImageView)convertView.findViewById(R.id.image2);
holder.image3=(ImageView)convertView.findViewById(R.id.image3);
break;
}
holder.title=(TextView)convertView.findViewById(R.id.title);
holder.source=(TextView)convertView.findViewById(R.id.source);
convertView.setTag(holder);
}else{
holder=(ViewHolder)convertView.getTag();
}
holder.title.setText(bean.getTitle()+"-"+size);
holder.source.setText(bean.getSource());
switch (type){
case TYPE1:
imageLoader.displayImage(listImages.get(0).getUrl(),holder.image1,options);
break;
case TYPE3:
imageLoader.displayImage(listImages.get(0).getUrl(),holder.image1,options);
imageLoader.displayImage(listImages.get(1).getUrl(),holder.image2,options);
imageLoader.displayImage(listImages.get(2).getUrl(),holder.image3,options);
break;
}
return convertView;
}
}
class ViewHolder{
TextView title,source;
ImageView image1,image2,image3;
}