Android studio menu item

Question

I have a toggle switch in my android app that makes the theme into night mode but for some reason it's not working

Here's the video of my issue

https://youtube.com/shorts/WopXEfcQaR4?feature=share

Here's the main activity java file

https://code.sololearn.com/cA9Bz3852JoS/?ref=app

Answer 1

These modules are not supported in sololearn

Answer 2

Hasnain [ACTIVE CHALLENGER] I don't understand, I've seen other user make questions about android studio and java, nobody said it was wrong

Answer 3

Mirielle May I message you directly?