android - How to stop an animation -

i have created animation (by below code) of bouncing ball.

i wanted know how stop animation on particular condition, after 10 seconds or when ball reaches @ particular coordinates.

the code:

public class mydemoview extends imageview{     private context mcontext;      int x = -1;     int y = -1;     private int xvelocity = 10;     private int yvelocity = 5;     private handler h;     private final int frame_rate = 30;      public mydemoview(context context, attributeset attrs)  {         super(context, attrs);         mcontext = context;         h = new handler();     }      private runnable r = new runnable() {         @override         public void run() {             invalidate();          }     };      protected void ondraw(canvas c) {         bitmapdrawable ball = (bitmapdrawable) mcontext.getresources().getdrawable(r.drawable.ball);          if (x<0 && y <0) {             x = this.getwidth()/2;             y = this.getheight()/2;         } else {             x += xvelocity;             y += yvelocity;              if ((x > this.getwidth() - ball.getbitmap().getwidth()) || (x < 0)) {                 xvelocity = xvelocity*-1;             }              if ((y > this.getheight() - ball.getbitmap().getheight()) || (y < 0)) {                 yvelocity = yvelocity*-1;             }         }          c.drawbitmap(ball.getbitmap(), x2, y2, null);         h.postdelayed(r, frame_rate);     } } 

to stop animation use code below:

object.clearanimation(); 

or

animation.cancel(); 

the latter may not work 2.1, can't remember.