Android : How to get the mobile number of my device programmatically?

Android : How to get the mobile number of my device programmatically?
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As promised, I have a secret feature that I want to reveal to you.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
Next, enter the letters 'awesome' on your keyboard.
Your YouTube progress bar will transform into a flashing rainbow.

A short overview of who I am,
Salutations, my name is Delphi.
I can be of service in providing you with answers to your inquiries.
Android : How to get the mobile number of my device programmatically?
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