https://developer.android.com/training/run-background-service/create-service?authuser=2
Create a background service | Android Developers
create a backgroundserviceandroiddevelopers
https://www.shopify.com/ie/blog/background-video-css
How To Create a Background Video With CSS and HTML (2026) - Shopify Ireland
Add a full-screen video background to your website with a few lines of CSS and HTML. See working code examples and performance tips.
how to create