How Google Plans to Push Its Coronavirus Tracing Feature to Android Phones [vice]
by CIRT Team
On Friday, Apple and Google announced they were working on a system that would make it easier for apps from country’s health departments to trace the spread of coronavirus while aiming to preserve privacy. The system is designed to use bluetooth low energy to inform a user when they’ve been in close contact with someone who has self identified as having tested positive for the coronavirus.
This approach will only be effective if the vast majority of people opt into it and are able to get it on their phones, which is one reason Apple and Google are implementing the feature at the operating system level and are letting it work cross-platform. But Android is infamous for having a patchy at best update cycle, with some devices receiving updates and others going without. So how is the company going to push this feature out?ADVERTISEMENT
On a call with reporters Monday, Google said it was using the Play Services mechanism to update phones with the contact-tracing system. Not to be confused with the Play Store, Play Services is used to push new features to apps such as Google Maps or install new APIs without requiring a full update of the Android operating system itself.
Google told Motherboard that Play Services is updated automatically, and that it can use Play Services to push the contact-tracting update to phones as far back as devices running Android 6. Android 6 itself is no longer supported by Google and does not receive security updates. In effect, this means Google can force its contact tracing API onto phones without the cooperation of carriers or device manufacturers, and without users having to do anything. Users will still have to opt-into actually using the feature, but, according to Google, it will automatically show up on their phones.
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