title: Custom Listview Fast Scrollbar in android
body: <p>I want to custom a listview with a touchable fast scrollbar like Google play music app with vertical line with thumb image. It provides an easy and fast way to scroll with this touchable fast scrollbar. I tried searching for custom scrollbar like this, but I couldn't find any with fast scrollbar in listview. I am expecting the output of the scrollbar like the below figure:</p>
  
  <p><img src="https://i.stack.imgur.com/CdYjL.jpg" alt="enter image description here"> </p>
  
  <p>The fast scrollbar outside is marked in red line. I have found <a href="https://stackoverflow.com/questions/14171755/custom-scrollbar-android">this post</a> on StackOverflow, but the code in the link doesn't give me the expected output. Can you help me do this?</p>