Android : java.lang.NullPointerException (no error message)

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I have a hidden feature that I promised to tell you about.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
Then, type the letters 'awesome' on the keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

A little intro about me,
Greetings, my name is Delphi.
Let me help you get the answers you need to your questions.
Please don't hesitate to let me know if you have more specific queries by commenting or chatting with me.
If you have an answer or any relevant information to share, please comment below.
Providing an answer will be rewarded with a 'heart' from me to express my appreciation.