> For the complete documentation index, see [llms.txt](https://airbnb.gitbook.io/lottie/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://airbnb.gitbook.io/lottie/android/contributing.md). # Contributing Contributors are more than welcome. Just upload a PR with a description of your changes.\ Lottie uses [Facebook screenshot tests for Android](https://github.com/facebook/screenshot-tests-for-android) to identify pixel level changes/breakages. Please run `./gradlew --daemon recordMode screenshotTests` before uploading a PR to ensure that nothing has broken. Use a Nexus 5 emulator running Lollipop for this. Changed screenshots will show up in your git diff if you have. If you would like to add more JSON files and screenshot tests, feel free to do so and add the test to `LottieTest`. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://airbnb.gitbook.io/lottie/android/contributing.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.