Add the logic that updates the position and dependent data for the audio player’s seek bar.
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/20983402-creating-custom-reusable-widgets-in-flutter/lessons/6
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/20983402-creating-custom-reusable-widgets-in-flutter/lessons/6