Want your notifications to appear on screen a little longer/shorter than they do ?
Settings > accessibility > timing controls
Now you can set how long notifications stay on screen if apps are set to show notifications in pop on screen mode (also works with toast msgs)
What is a toast msg
Oops
nosanitze
https://developer.android.com/guide/topics/ui/notifiers/toasts#:~:text=A%20toast%20provides%20simple%20feedback,automatically%20disappear%20after%20a%20timeout.