Android : Your app isn't using AndroidX - Flutter doesn't allow me to generate apk

Android : Your app isn't using AndroidX - Flutter doesn't allow me to generate apk
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As promised, I'm going to share a hidden feature 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 your keyboard as the next step.
Your YouTube progress indicator will turn into a shimmering rainbow.

A short overview of who I am,
Hello there, my name is Delphi.
I help you answer your questions.
Android : Your app isn't using AndroidX - Flutter doesn't allow me to generate apk
If you have specific questions, please feel free to comment or chat with me to discuss them.
If you have knowledge to contribute or an answer to provide, we encourage you to comment below.
Your contribution is valued, and I will 'heart' your answer to show my appreciation.
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