Accumulate screentime in backend?

[macrel]

Hi, I am currently implementing some basic screen time tracking features. I have a expo go project (managed) and this repo seems great to stay in the managed workflow whilst also having custom app extension targets.

However, one thing we would like to do eventually is accumulate screentime usage of a user and store in in our backend. Basically our app consists of families and we want to create sort of a competition.

Would this be possible, because I can't seem to get the actual numbers data from the deviceactivityreport. It should be possible because there are quite a few apps that do simliar stuff (such as Jomo), they only require the screen time access. I did see the deviceactvititypicker as well to pick app/categories so I assume they are using a similar approach. Any hints on this?

Ps. using the pull request for deviceactivityreport right now but am kind of stuck on this

[macrel]

Update: I have the screen time report working and can get any data in the extension I want. But I cannot share the data with my main app. I tried through app groups but its not working. From the monitoring extension however I actually CAN share data with the main app. Do you know if this is just a limitation of the reporting extension? No access to app groups? So to accumulate screentime total I guess I would need monitoring and custom tracking like the monitoring example provided in this repo. Setting up multiple monitors with 1 minute intervals, log back to my main app and then I can do something or store the accumulated data.

Do you agree this is the (only) way? Apart from hacky solutions such as OCR on the activityreport view.

Still wondering how some apps do this, because Jomo for example knows my daily usage (even though they estimate as well, so seems to be their own calculation) but they even know it historically for the whole day. While using monitors I would assume I can only start calculating when the monitors have started.

IT's a puzzle but I am getting closer. Any help is welcome and so many thanks for this repo because it saved me so many headaches.