Android implements a simple countdown function

Tag:android    countdown    

public class mainactivity extends activity {private textview textview; private button but1;private int count=0;     @Override      protected void oncreate (bundle savedinstancestate)  {         super.oncreate (savedinstancestate);         Setcontentview (R.layout.activity_main);         textview= (TextView) Findviewbyid (R.id.mytextview);                 but1= (Button) Findviewbyid (R.ID.BUT1);         but1  B=NEW BUT1 ();         but1.setonclicklistener (b);             }     @Override      public boolean Oncreateoptionsmenu (Menu menu)  {        getmenuinflater (). Inflate (R.menu.main, menu);        return true;     }     @Override     public boolean  Onoptionsitemselected (Menuitem item)  {        int id  = item.getitemid ();        if  (id ==  R.id.action_settings)  {            return  true;        }         return super.onoptionsitemselected (item);     }    CLASS BUT1  implements onclicklistener{@Overridepublic  void onclick (view v)  {new  Countdowntimer (30000,1000)  {@Overridepublic &Nbsp;void ontick (long millisuntilfinished)  {textview.settext ("Please wait 30 seconds ("  +  millisuntilfinished / 1000 +  "),   @Overridepublic  void onfinish ()  {toast.maketext (Getapplicationcontext (),  "Countdown End",      toast.length_short). Show ();}}. Start ();}         }                     }

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Android implements a simple countdown function