@Override  
     public boolean onTouchEvent(MotionEvent event) {  
      if (event.getAction() == MotionEvent.ACTION_DOWN) {  
       if (!(event.getX() >= -10 && event.getY() >= -10)  
         || event.getX() >= calendarLayout.getWidth() + 10  
         || event.getY() >= calendarLayout.getHeight() + 20) {//如果点击位置在当前View外部则销毁当前视图,其中10与20为微调距离  
        finish();  
       }  
      }  
      return true;  
     }  

setCanceledOnTouchOutside(true);