Android : How to data bind to a header?

Android : How to data bind to a header?
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On Google, Search for "hows tech developer connect"

As promised, I have a hidden feature that I want to share with you.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Then, type the letters 'awesome' on the keyboard.
You will see a flashing rainbow instead of a regular progress bar on YouTube.

A brief introduction of myself,
Hey, I am Delphi.
I am capable of providing answers to your questions.
Android : How to data bind to a header?
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