title: Scroll up and scroll down using AccessibilityNodeInfo in Accessibility Service
body: <p>I want to perform scroll using Accessibility service and i am doing this </p>
  
  <pre><code>public boolean scrollView(AccessibilityNodeInfo nodeInfo) {
  
  if (nodeInfo == null) return false;
  
  if (nodeInfo.isScrollable()) {
      return nodeInfo.performAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
  }
  
  for (int i = 0; i &lt; nodeInfo.getChildCount(); i++) {
      if (scrollView(nodeInfo.getChild(i)) {
          return true;
      }
  }
  
  return false; }
  </code></pre>
  
  <p>But problem is when there are four option to perform up,down left and right it performs left and right but i want to perform up and down there also.
  like in facebook app it scroll on top section where notifications and news feed are.But not on page. 
  is there any way to scroll where is focus of user.</p>