android - How to send a stream of characters on long press of button -

how send stream of characters on long press of button. here code on longclick of button,

btndown.setonlongclicklistener(new view.onlongclicklistener() {         @override         public boolean onlongclick(view v) {             sendmessage("s");//here wanted send example sssss on long press of button         }     }); 

i want send stream of character on long press of button until user releases button.

try make custom listner

    string mstring="";  public class continousrepeatlistener implements view.ontouchlistener {  private handler handler = new handler();  private int initialinterval; private final int normalinterval; private final view.onclicklistener clicklistener;  private runnable handlerrunnable = new runnable() {     @override     public void run() {         handler.postdelayed(this, normalinterval);         clicklistener.onclick(downview);     } };  private view downview;  /**  * @param initialinterval interval after first click event  * @param normalinterval interval after second , subsequent click   *       events  * @param clicklistener onclicklistener, called  *       periodically  */ public continousrepeatlistener (int initialinterval, int normalinterval,          view.onclicklistener clicklistener) {     if (clicklistener == null)         throw new illegalargumentexception("null runnable");     if (initialinterval < 0 || normalinterval < 0)         throw new illegalargumentexception("negative interval");      this.initialinterval = initialinterval;     this.normalinterval = normalinterval;     this.clicklistener = clicklistener; }  public boolean ontouch(view view, motionevent motionevent) {     switch (motionevent.getaction()) {     case motionevent.action_down:         handler.removecallbacks(handlerrunnable);         handler.postdelayed(handlerrunnable, initialinterval);         downview = view;         downview.setpressed(true);         clicklistener.onclick(view);         return true;     case motionevent.action_up:     case motionevent.action_cancel:         handler.removecallbacks(handlerrunnable);         downview.setpressed(false);         downview = null;         return true;     }      return false; }  } 

and use this

 btndown.setontouchlistener(new continousrepeatlistener(400, 100, new  view.onclicklistener() {         @override         public void onclick(view view) {             // code execute repeatedly             mstring += "s";             tvstring.settext(mstring);         }     }));