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Re:Tracking the WhatsApp habits of random smartphones by femiagbabiaka on Wednesday April 21, 2021 @11:49AM (#26891232)
With Android phones you could possibly use an app like NoRoot Firewall to cut off net access for the app when you want to appear offline. Unfortunately that's a pretty "advanced" use of apps for the average consumer and definitely not a replacement for building this in natively.
Re:Tracking the WhatsApp habits of random smartphones by NotEvil on Wednesday April 21, 2021 @12:19PM (#26891653)
Actually pointless as online status is shown when you open the app.

And you have to do that fir checking messages.

Re:Tracking the WhatsApp habits of random smartphones by femiagbabiaka on Wednesday April 21, 2021 @12:29PM (#26891809)
Depends on your reasons for showing offline. If offline is a proxy for “I am not here to check and respond to messages”, such as when you’re sleeping, quite useful. If not, and you’d prefer to be constantly offline for privacy reasons, less useful.
Re:Tracking the WhatsApp habits of random smartphones by livre on Wednesday April 21, 2021 @12:50PM (#26892126)
You don't "show offline" in WhatsApp, either "online" appears below the contact name or nothing appears. Nothing doesn't mean offline, it means the person doesn't have WhatsApp running in the foreground, they could or could not be online (which most define as "using or not using the phone right now").
Re:Tracking the WhatsApp habits of random smartphones by femiagbabiaka on Wednesday April 21, 2021 @01:10PM (#26892455)
It was a euphemism, but good clarification! Colloquially you can interpret the lack of online-ness as offline.
Re:Tracking the WhatsApp habits of random smartphones by mahathu on Wednesday April 21, 2021 @12:17PM (#26891630)
Or turn on airplane mode