new AsyncTask<String,Void,String>(){
???@Override
???protected String doInBackground(String... strings) {
???????String path=strings[0];
???????try {
???????????URL url=new URL(path);
???????????HttpURLConnection con= (HttpURLConnection) url.openConnection();
?????????
???????????if(code==200){
???????????????InputStream is=con.getInputStream();
???????????????ByteArrayOutputStream baos=new ByteArrayOutputStream();
???????????????byte[] buffer=new byte[1024];
???????????????int len=0;
???????????????while ((len=is.read(buffer))!=-1){
???????????????????baos.write(buffer,0,len);
???????????????}
???????????????//hajjahdjhabs
???????????????//juguyg
???????????????is.close();
???????????????baos.flush();
???????????????baos.close();
???????????????return baos.toString();
???????????}
???????????????????;
???????} catch (Exception e) {
???????????e.printStackTrace();
???????}
???????return null;
???}
???@Override
???protected void onPostExecute(String s) {
???????super.onPostExecute(s);
???????Gson ?gson=new Gson();
???????TouTiao tt=gson.fromJson(s,TouTiao.class);
???????list=tt.data.pc_feed_focus;
???????MyAdapter adapter=new MyAdapter(MainActivity.this,list);
???????listView.setAdapter(adapter);
????}
}.execute("http://www.toutiao.com/api/pc/focus/");
HttpURLConnection网络请求
原文地址：http://www.cnblogs.com/wang-chunqi/p/7602016.html