title: Highlight menu in scrollview
body: <p>What I need help with is:
  I want the menu to be on the scrollview and when I swipe it, the menu should become highlighted. For example; Menu is default color, once it is swiped, the color shall change to red.</p>
  
  <p>I'm not to sure how I can do this, can anyone help?</p>
  
  <p>UPDATE:</p>
  
  <p>Basically what i mean to say is...</p>
  
  <p>m trying to HILGHLIGHT the view that i scroll...</p>
  
  <p>for example
  <img src="https://i.stack.imgur.com/nFHAg.png" alt="enter image description here"></p>
  
  <p>the 1st image on scroll view is totally visible..i want this image to be highlighted.</p>
  
  <p>then when scroll the next image...</p>
  
  <p>2nd image shud come up and get highlighted..
  <img src="https://i.stack.imgur.com/Vseps.png" alt="enter image description here"></p>