HttpURLConnection网络请求

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：http://www.cnblogs.com/wang-chunqi/p/7602016.html