title: How to draw a line on top of multiple layouts in android
body: <p>Im new to android programming, and facing a difficulty in understanding what to needs to be done. Im trying to create a line that will move according to time, an appointment app,similar to the attached photo. Each column is going to be a separate relative layout. How can i draw a line across all the layouts?</p>
  
  <p><a href="https://i.stack.imgur.com/GSXjb.png" rel="nofollow noreferrer">Image</a></p>