btn.setOnTouchListener(new View.OnTouchListener() {
           @Override
           public boolean onTouch(View v, MotionEvent event) {
               if(v.getLeft()<=event.getX() && v.getRight()>=event.getX() && v.getTop()<=event.getY() && v.getBottom()>=event.getY()) {
                   if (event.getAction() == MotionEvent.ACTION_DOWN)
                       Log.d("LOG", "pressed");
                    if (event.getAction() == MotionEvent.ACTION_UP)
                       Log.d("LOG", "released");
                    if (event.getAction() == MotionEvent.ACTION_MOVE)
                       Log.d("LOG", "moving");
               }
               else
               {
                   Log.d("LOG", "out of area");
               }
               return false;
           }
       });