Android open thread, asynchronous processing data instance

Package com.example.sywang2;

Import COM.ZDS.OS.R;

Import Android.os.Bundle; Import Android.os.Handler; Import android.app.Activity; Import Android.view.Menu; Import Android.view.View; Import Android.widget.Button; Import Android.widget.TextView;

public class Mainactivity extends Activity {private TextView text;  Private Button btn1;   @Override protected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);   Setcontentview (R.layout.activity_main);   text= (TextView) Findviewbyid (r.id.txt);  btn1= (Button) Findviewbyid (R.ID.BTN); }

  @Override  public boolean oncreateoptionsmenu (Menu menu) {  //inflate the menu; this adds items to The Action Bar if it is present.   getmenuinflater (). Inflate (R.menu.main, menu);   return true;  }    //defines a Handler that is used to process data asynchronously     Handler Handler = new Handler () {         public void Handlemessage (Android.os.Message msg) {             System.out.println ("results returned, processing ....");                          if (msg.what = = 1) {                 Text.settext ("Asynchronous processing results are = = = = = Handler");                 Thread.stop ();            }                    };    };            //new thread for asynchronous processing of data, results returned by handler     thread thread = new Thread () {        public void run () {     & nbsp;      System.out.println ("Start thread,,,,");                          handler.sendemptymessage (1);        };    };            //click button     public void Starttest (View v) {         Thread.Start ();                 try {             THread.sleep (2000);         catch (Interruptedexception e) {            //TODO auto-generated catch block              E.printstacktrace ();        }                  System.out.println ("OnClick,,,,");    }    

}

Android open thread, asynchronous processing data instance