title: Auto scroll ScrollView when I touch on the bottom of the screen
body: <p>I trying to create a view which have a scroll view. If I Touch to bottom or if I drag my  finger to bottom ,then the Scrollview should scroll automatically in fixed speed. consider the below Image
  <a href="https://i.stack.imgur.com/aDJ3N.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/aDJ3N.png" alt="enter image description here" /></a></p>
  <p>I am using <code>PanResponder</code> class in react native to achieve this functionalities.
  for scrolling I am using <code>scrollTo()</code> . But I am failed do this. I like to share my code but it was too bulky and not understandable.</p>
  <p>So my question is Is anyone have any code to achieve this. or Is there any libraries available?
  Please help me</p>