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The Stopp Corona project is an open source project for bluetooth based contact tracing deployed by the Austrian Red Cross in Austria. For developers interested in contributing, other organizations interested in joining forces please have a look at the following documents:

• Covenant: the project's ideals and goals
• Cooperation and Funding: support the development or join the project
• Code of Conduct: fair guidelines for a friendly discourse

Stopp Corona helps you to keep track of encounters with friends, family or co-workers and save them anonymously. Should you contract the corona virus (to be precise: the COVID-19 disease caused by the SARS-CoV-2 virus) all your encounters of the last 48 hours will be informed automatically and anonymously. And vice versa of course. You too will be notified instantly and anonymously should one of your saved encounters report to have contracted the virus. Helping all of you to take appropriate measures such as.

• Keep a safe distance (1–2 meters) from others
• Avoid social contacts
• Self-quarantine as a precaution

Together we can break the chain of infection. Not only by protecting ourselves, but also by preventing others from being infected.

Say hello with a digital handshake. It will definitely be a while before we'll actually shake each others hands again. In the meantime: use Stopp Corona's digital handshake. If you and the person you encounter have installed the app, you can simply select each other. The app will anonymously save your meeting. Should one of you fall sick with the corona virus the other will receive an instant notification.

How are you feeling today? Just answer the clinically proven questionnaire to check yourself for corona symptoms daily.

Should your symptoms match those of a corona infection, you can choose to inform your encounters. This is extremely important so stop the virus from spreading. Everyone you saved in the last 48 hours will get an anonymous notification. So don't you worry: your personal data is safe with us. If you suspect to have contracted the corona virus, please stay at home and contact your attending physician via telephone. If that is not possible, call the Corona-Hotline 1450. Please do not visit your doctors office or a hospital in person!

If you are officially tested for the corona virus and your test comes back positive, please notify your encounters immediately. Of course the notification will also be anonymous. This app was developed in cooperation with the UNIQA foundation. App concept and implementation was created with the support of Accenture Austria. Care for you. Care for me. That's how we protect ourselves.

1. Add your own google-services.json.
2. Add your own hostname & api-key.

You can download application from Play store.

This code is distributed under the Apache License 2.0. See the LICENSE.txt file for more info.

Notices for third party libraries in this repository are contained in NOTICE.txt.