Android Learning notes-HTTP-based communication technology

HTTP-based communication

package com.example.httpgetdemo;public class mainactivity extends activity {@ Overrideprotected void oncreate (bundle savedinstancestate)  {super.oncreate ( Savedinstancestate); Setcontentview (R.layout.activity_main); Findviewbyid (R.id.button1). SetOnClickListener (New  view.onclicklistener ()  {@Overridepublic  void onclick (view v)  {new  Asynctask<string, void, void> () {@Overrideprotected  void doinbackground (String ...  params)  {try {url url = new url (Params[0]); Urlconnection connection = url.openconnection ();inputstream inputstream =  Connection.getinputstream (); Inputstreamreader isr = new inputstreamreader (InputStream,   "Utf-8"); Bufferedreader br = new bufferedreader (ISR); string line;while  ((Line = br.readline ())  != null)  {system.out.println (line );} BR.close (); Isr.close (); Inputstream.close ();}  catch  (malformedurlexception e)  {e.printstacktrace ();}  catch  (ioexception e)  {e.printstacktrace ();} Return null;}}. Execute ("http://fanyi.youdao.com/openapi.do?keyfrom=httpgetdemo1&key=1659546208&type=data&doctype= Json&version=1.1&q=good ");}});}

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Android Learning notes-HTTP-based communication technology