covid-be-app / cwa-app-android

Native Android app using the Apple/Google exposure notification API.
https://coronalert.be
Apache License 2.0
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Exposure discrepancy question: exposure not showing up in Coronalert when it was reported in the Companion app #116

Open ghost opened 3 years ago

ghost commented 3 years ago

Hi,

I'm using the Corona-warn companion app which is compatible with Belgian data (https://github.com/mh-/corona-warn-companion-android)

I'm surprised to see in the companion app that I have 3 exposures but only 1 is reported in coronalert.

image image image image

Could you explain this discrepancy? I double checked the proto buffer myself and could confirm there were indeed 3 exposures but only one showing after a "nightly" update.

Is this because the 2 subsequent exposures were <8 level ?

Could you also explain why the Android app is only polling once per day while the IOs App is polling every hour?

Regards

ghost commented 3 years ago

Problem solved itself 2 days after exposures being downloaded ... Now suddenly I have 4 exposures showing up ... This polling/update should be more than once a night IMHO

leroynicolasalexi commented 3 years ago

Thanks for the report. Indeed, new keys dowloading and submitting are done once per day on Android, like upstream CWA. We are thinking of updating that for more that once a day like iOS do.