Facebook welcomes contributions to our SDKs.
All contributors must sign a CLA (contributor license agreement) here:
To contribute on behalf of your employer, sign the company CLA To contribute on behalf of yourself, sign the individual CLA
1/ MUST be be licensed using the Apache License, Version 2.0
2/ authors MAY retain copyright by adding their copyright notice to the appropriate flies
More information on the Apache License can be found here: http://www.apache.org/foundation/license-faq.html