Settings > Apps > [three dots on the top right] > Special access > Adaptive notifications > None
Earlier Android versions:
How to disable Peek / Heads Up notifications globally in Android Oreo?
How to disable heads up notifications and immersive mode?
How to disable Heads Up notifications in Android Lollipop? (notification popup ...
Yes there is!
Set-up adb. Use THIS for reference
Enter adb devices and make sure your device is there
Enter adb shell settings put global heads_up_notifications_enabled 0
And you're done!
If you want to enable it again then just replace the command in step 3 with adb shell settings put global heads_up_notifications_enabled 1
Simple as that!
There are some apps in the play store that let you see more.
App Usage - Manage/Track Usage This app lets you export the data.
Action Dash This has a great amount of data that is being analyzed in the app. (This makes me think that the data is stored somewhere).
Take a look at the folders and files in "/data/data/com.google.android.apps.wellbeing"...
The only thing I've found is to scan active alerts for "now" in the time received. Why, oh why is this obviously vital feature of a "notifications" dashboard neglected???? I'm so sick of hearing the Antroid notifications sound and knowing I will not be able to find what it refers to without having to dig!!!! Beware, sometimes there is ...