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README.md

Signal Android

Signal is a messaging app for simple private communication with friends.

Signal uses your phone’s data connection (WiFi/3G/4G) to communicate securely, optionally supports plain SMS/MMS to function as a unified messenger, and can also encrypt the stored messages on your phone.

Currently available on the Play store.

Get it on Google Play

Contributing Bug reports

We use GitHub for bug tracking. Please search the existing issues for your bug and create a new one if the issue is not yet tracked!

https://github.com/signalapp/Signal-Android/issues

Joining the Beta

Want to live life on the bleeding edge and help out with testing?

You can subscribe to Signal Android Beta releases here: https://play.google.com/apps/testing/org.thoughtcrime.securesms

If you’re interested in a life of peace and tranquility, stick with the standard releases.

Contributing Translations

Interested in helping to translate Signal? Contribute here:

https://www.transifex.com/projects/p/signal-android/

Contributing Code

Instructions on how to setup your development environment and build Signal can be found in BUILDING.md.

If you’re new to the Signal codebase, we recommend going through our issues and picking out a simple bug to fix (check the “easy” label in our issues) in order to get yourself familiar. Also please have a look at the CONTRIBUTING.md, that might answer some of your questions.

For larger changes and feature ideas, we ask that you propose it on the unofficial Community Forum for a high-level discussion with the wider community before implementation.

Contributing Ideas

Have something you want to say about Open Whisper Systems projects or want to be part of the conversation? Get involved in the community forum.

Help

Support

For troubleshooting and questions, please visit our support center!

https://support.signal.org/

Documentation

Looking for documentation? Check out the wiki!

https://github.com/signalapp/Signal-Android/wiki

Legal things

Cryptography Notice

This distribution includes cryptographic software. The country in which you currently reside may have restrictions on the import, possession, use, and/or re-export to another country, of encryption software. BEFORE using any encryption software, please check your country’s laws, regulations and policies concerning the import, possession, or use, and re-export of encryption software, to see if this is permitted. See http://www.wassenaar.org/ for more information.

The U.S. Government Department of Commerce, Bureau of Industry and Security (BIS), has classified this software as Export Commodity Control Number (ECCN) 5D002.C.1, which includes information security software using or performing cryptographic functions with asymmetric algorithms. The form and manner of this distribution makes it eligible for export under the License Exception ENC Technology Software Unrestricted (TSU) exception (see the BIS Export Administration Regulations, Section 740.13) for both object code and source code.

License

Copyright 2011 Whisper Systems

Copyright 2013-2020 Open Whisper Systems

Licensed under the GPLv3: http://www.gnu.org/licenses/gpl-3.0.html

Google Play and the Google Play logo are trademarks of Google Inc.