13c60f2 May 14, 2015
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Contributing to Fresco

We want to make contributing to this project as easy and transparent as possible.


We use GitHub issues to track public bugs.

When you report an issue the more information the better. Here are some things that will help you get an answer faster:

  • A title as well as a body for the issue.
  • A screenshot or video of the problem
  • Logcat output, if your app is crashing.
  • The format of the affected images (JPEG, PNG, GIF, or WebP)
  • Whether the image is an animation
  • Where the images are coming from - network, local file, content provider, asset, or resource.
  • A snippet of the code in question
  • Place code in blocks so that it reads like code:
```java (or xml)
your code here
```(terminating backticks)

Security bugs

Facebook has a bounty program for the safe disclosure of security bugs. In those cases, please go through the process outlined on that page and do not file a public issue.

Pull Requests

We actively welcome your pull requests.

  1. Fork the repo and create your branch from master.
  2. If you've added code that should be tested, add tests
  3. If you've changed APIs, update the documentation.
  4. Ensure the test suite passes.
  5. Make sure your code lints.
  6. If you haven't already, complete the Contributor License Agreement ("CLA").

Contributor License Agreement ("CLA")

In order to accept your pull request, we need you to submit a CLA. You only need to do this once to work on any of Facebook's open source projects.

Complete your CLA here:

Our Development Process

Each pull request is first submitted into Facebook's internal repositories by a Facebook team member. Once the commit has successfully passed Facebook's internal test suite, it will be exported back out from Facebook's repository. We endeavour to do this as soon as possible for all commits.

Coding Style


By contributing to Fresco, you agree that your contributions will be licensed under its BSD license.